# FastTools - Free Online Tools Platform # llms.txt - Guide for AI Crawlers and Language Models This file helps AI crawlers, language models, and summarizers discover and understand the most valuable content on FastTools, a comprehensive platform offering all free online tools. ## Brand Summary FastTools is a free online tools platform providing all tools with no registration required. All tools are fast, accurate, and work on all devices (PC, Mac, iPhone, Android). The platform is built with Next.js 15, React 19, and TypeScript, providing a modern, responsive user experience with comprehensive SEO optimization. ## Key Expertise Areas ### Social Media Tools https://fasttools.store/social-media-tools Social media tools for YouTube optimization, hashtag analysis, and creator workflows. Tools include thumbnail extractors, tag extractors, hashtag generators, channel name generators, and link-in-bio builders. **Featured Tools:** - https://fasttools.store/social-media-tools/youtube-thumbnail - Download YouTube video thumbnails in all quality sizes. - https://fasttools.store/social-media-tools/youtube-tags - Extract tags from YouTube videos for SEO research. - https://fasttools.store/social-media-tools/youtube-channel-name-generator - AI-powered YouTube Channel Name Generator. - https://fasttools.store/social-media-tools/tiktok-engagement-calculator - Free TikTok engagement rate calculator. Analyze likes, comments, shares, saves. Influencer tier classification, cross-platform benchmarks. Free. - https://fasttools.store/social-media-tools/influencer-rate-calculator - Free influencer sponsorship rate calculator. Calculate rates for TikTok, Instagram, YouTube, X, Facebook based on followers, engagement, niche. Free. Generate unique, catchy, and SEO-friendly names for gaming, vlogging, and tech channels. Features instant categorized suggestions and "no copyright" style unique branding ideas. ### AI Tools https://fasttools.store/ai-tools AI-powered content generation tools including QR code generators, caption generators, lyrics generators, and pet name generators. All premium features are free. **Featured Tools:** - https://fasttools.store/ai-tools/ai-api-cost-calculator - Compare LLM API pricing across OpenAI (GPT-5, GPT-4o), Anthropic (Claude Opus 4.7, Sonnet 4.6, Haiku 4.5), Google Gemini 2.5, DeepSeek V3/R1, Mistral, Llama 4, xAI Grok 4, Cohere. 25+ models, 7 workload presets (chatbot, RAG, agent, summarize, code-gen, batch), cached-input pricing modeled. Live-synced from LiteLLM. - https://fasttools.store/ai-tools/token-to-word-converter - LLM token calculator for GPT-5, Claude, Gemini with context window and cost estimation. - https://fasttools.store/ai-tools/qr-generator - Generate QR codes with customizable designs, colors, and logos. - https://fasttools.store/ai-tools/caption-generator - AI-powered social media caption generator. - https://fasttools.store/ai-tools/lyrics-generator - Generate song lyrics in 40+ languages. - https://fasttools.store/ai-tools/pet-names - Generate 100+ AI-powered pet names. ### PDF Tools https://fasttools.store/pdf-tools Comprehensive PDF manipulation suite including signing, conversion, splitting, merging, unlocking, compression, and image conversion. ### SEO Tools https://fasttools.store/seo-tools Tools for search engine optimization and content marketing including meta tag generators, hashtag generators, blog title generators, and keyword density checkers. **Featured Tools:** - https://fasttools.store/seo-tools/meta-tags - Open Graph meta generator online. open graph tag generator. open graph meta tags, open graph image size 1200x630. og meta checker. Free. - https://fasttools.store/seo-tools/text-similarity-checker - Check text similarity and detect duplicate content using SimHash algorithm. - https://fasttools.store/seo-tools/schema-markup-generator - Free JSON-LD schema markup generator. 11 types: Article, FAQ, Product, LocalBusiness, Event, Recipe, Organization, Person, HowTo, Breadcrumb, Video. Rich snippets. Free. ### Calculator Tools https://fasttools.store/calculator Extensive collection of financial, health, and scientific calculators including mortgage, loan, tax, BMI, BMR, calorie, and retirement calculators. **Featured Tools:** - https://fasttools.store/calculator/bmi-calculator - Free BMI calculator online. Calculate Body Mass Index instantly with accurate results. Supports BMI calculator for women, men, and by age. Metric (kg/cm) and imperial units. Follows WHO and CDC standards. Features include BMI Prime calculation, Ponderal Index, healthy weight range, risk level assessment, and personalized health recommendations. Comprehensive 60-question FAQ section covering all aspects of BMI calculation, interpretation, and health implications. Includes topical authority content, entity SEO with WHO/CDC citations, E-E-A-T signals, and structured data (WebApplication, WebPage, FAQPage, Organization schemas). Optimized for semantic SEO, vector SEO, and AI search engines. Last updated dynamically with current year. - https://fasttools.store/calculator/cortisol-peak-calculator - Free cortisol peak time calculator. Optimal caffeine timing, workout windows, deep focus blocks & ideal bedtime based on wake-up time and cortisol rhythm. Free. - https://fasttools.store/calculator/biological-age-calculator - Free biological age calculator. Estimate true body age from resting heart rate, sleep, exercise, stress, diet, BMI & habits. Personalised recommendations. Free. - https://fasttools.store/calculator/tdee-macro-calculator - Free TDEE & macro calculator. Calculate Total Daily Energy Expenditure and personalized macros using Mifflin-St Jeor, Harris-Benedict, Katch-McArdle equations. 5 macro presets, 6 activity levels, per-meal split, formula comparison. No signup. Free. - https://fasttools.store/calculator/ovulation-calculator - Free ovulation calculator. Fertile window, ovulation date, 6-cycle forecast, visual calendar, pregnancy test date, estimated due date. Based on ACOG/WHO guidelines. Free. - https://fasttools.store/calculator/ip-subnet-calculator - Advanced IP Subnet Calculator for network engineers and students. Supports IPv4, IPv6, CIDR notation, and VLSM calculations. Features include visual subnetting diagrams, real-world examples (AWS, Docker, Home Network), and comprehensive guides on network design. Optimized with HowTo and SoftwareApplication schema for enhanced search visibility. - https://fasttools.store/calculator/date-difference - Calculate days, months, and years between two dates with business day options, leap year handling, and multiple date formats. Comprehensive guide with troubleshooting tips and best practices. ### Converter Tools https://fasttools.store/converters Convert between different formats and units including currency, length, temperature, file size, text case, and timezone converters. **Featured Tools:** - https://fasttools.store/converters/base64-file - Free base64 file converter online. Base64 to PDF, base64 to image, base64 encode & decode. File to base64 online with preview. Base64 to excel, xml, docx, zip. Download decoded files. No signup. - https://fasttools.store/converters/nato-phonetic - Text to NATO alphabet converter online. NATO alphabet decoder, NATO translator to English. Military alphabet translator. NATO alphabet numbers. Free. - https://fasttools.store/converters/ascii-binary - Text to ASCII binary converter online. Binary to text. ASCII to binary table, text to binary table. Binary alphabet. Free. - https://fasttools.store/converters/unicode - Convert text to Unicode and Unicode to text. Parse text to Unicode code points and decode. Free. - https://fasttools.store/converters/yaml-json - YAML to JSON converter free. Swagger YAML to JSON, OpenAPI YAML to JSON. Convert for Postman. YAML to JSON schema. Free. - https://fasttools.store/converters/json-yaml - JSON to YAML converter online. Swagger, OpenAPI JSON to YAML. For Python, VSCode, CLI. JSON to YAML schema. Free. - https://fasttools.store/converters/json-toml - JSON to TOML converter online. json2toml npm alternative. Python, CLI. TOML to JSON. Free. - https://fasttools.store/converters/list-converter - List converter online. Text to list, comma separated list. Convert column to comma, list to columns. Free. - https://fasttools.store/converters/toml-json - TOML to JSON converter online. toml2json CLI alternative. Python, npm. Free. - https://fasttools.store/converters/toml-yaml - TOML to YAML converter online. Hugo, Alacritty. YAML vs TOML. Free. - https://fasttools.store/converters/xml-json - XML to JSON converter online. Python, npm, Node.js. JSON to XML. Free. - https://fasttools.store/converters/json-xml - JSON to XML converter online. Formatter, Python, Java, npm. Free. ### Image Tools https://fasttools.store/image-tools Image editing, manipulation, and optimization tools including image resizing, compression, and OCR text extraction. **Featured Tools:** - https://fasttools.store/image-tools/image-resizer - Free online image resizer. Resize images to custom dimensions or 50+ social media presets (Instagram, Facebook, LinkedIn, YouTube, TikTok, Pinterest, WhatsApp). JPG, PNG, WebP. Quality control. 100% client-side. Free. - https://fasttools.store/image-tools/image-compressor - Compress JPG, PNG, WebP images with quality and size controls. Batch processing up to 100 images. Free. - https://fasttools.store/image-tools/heic-to-jpg - Convert iPhone HEIC/HEIF photos to JPG or PNG in your browser. Batch up to 100, no upload, no signup. Free. - https://fasttools.store/image-tools/png-to-jpg - Convert PNG images to JPG with quality control; transparency is flattened to white. Optional WebP output. Batch, no upload. Free. - https://fasttools.store/image-tools/webp-to-jpg - Convert WebP images to JPG or PNG for universal compatibility. Batch up to 100, no upload, no signup. Free. - https://fasttools.store/image-tools/jpg-to-png - Convert JPG/JPEG images to lossless PNG, with optional WebP output. Batch, no upload, no signup. Free. ### Finance Tools https://fasttools.store/finance-tools Financial planning and calculation tools including bill splitters, tip calculators, discount calculators, PayPal fee calculators, invoice generators, retirement planners, and SaaS churn rate calculators. **Featured Tools:** - https://fasttools.store/finance-tools/saas-churn-calculator - Free SaaS churn rate calculator. Calculate customer churn, revenue churn (MRR), net revenue churn, retention rate, CLV, and 12-month projections. Free. - https://fasttools.store/finance-tools/freelance-rate-calculator - Free freelance hourly rate calculator. Factor in taxes, expenses, billable hours, vacation & profit margin to find your ideal rate. Free. - https://fasttools.store/finance-tools/saas-payback-calculator - Free SaaS payback period calculator. Calculate CAC recovery, LTV:CAC ratio, customer lifetime value & 36-month ROI projection. Free. - https://fasttools.store/finance-tools/remote-work-savings - Free remote work savings calculator. Calculate commute, meal, wardrobe savings plus time reclaimed and environmental impact. Free. - https://fasttools.store/finance-tools/net-worth-calculator - Free net worth calculator. Assets, liabilities, debt-to-asset ratio, financial health grade, age percentile comparison using Federal Reserve data. Free. - https://fasttools.store/finance-tools/debt-payoff-calculator - Free debt payoff calculator. Compare snowball vs avalanche methods. Multiple debts, extra payments, debt-free date, interest savings, payment schedule. Free. - https://fasttools.store/finance-tools/rent-vs-buy-calculator - Free rent vs buy calculator. Compare true cost of renting vs buying over 3-30 years. Mortgage, taxes, PMI, opportunity cost, equity, break-even analysis. Free. - https://fasttools.store/finance-tools/startup-runway-calculator - Free startup runway calculator. Burn rate, zero-cash date, fundraise timing, revenue growth projections, burn multiple, industry benchmarks. Free. - https://fasttools.store/finance-tools/zakat-calculator - Free Zakat calculator 2026. Calculate Zakat on cash, gold, silver, investments, business & crypto. Nisab threshold, 8 recipient categories. Based on Quran & Sunnah. Free. Calculate customer churn, revenue churn (MRR), net revenue churn, retention rate, CLV, and 12-month projections. Industry benchmarks for B2B, B2C, Enterprise SaaS. Free. ### Web Tools https://fasttools.store/web-tools Free online web tools for URL encoding, decoding, and web development. URL encode decode, percent-encoded strings. **Featured Tools:** - https://fasttools.store/web-tools/url-encoder - Encode decode URL-formatted strings. URL encode, decode online. Percent-encoded. Free. - https://fasttools.store/web-tools/html-escape - Escape HTML entities online. html escape online. Unescape. XSS prevention. Free. - https://fasttools.store/web-tools/url-parser - url parser online. Parse URL into components. url query string parser with decode. Free. - https://fasttools.store/web-tools/device-info - my device information online. device information pc, android. Screen size, user agent. Free. - https://fasttools.store/web-tools/auth-generator - basic auth generator online. basic auth generator decode. Bearer, API Key. convert basic auth to username:password. Free. - https://fasttools.store/web-tools/outlook-safelink-decoder - Outlook safelink decoder. Decode Outlook SafeLink links to original URL. safelinks decoder o365, safe link decoder. Free. ### Developer Tools https://fasttools.store/dev-tools Tools for developers and programmers including JWT decoders, regex testers, JSON/CSV converters, HTML beautifiers, markdown tools, and color palette generators. **Featured Tools:** - https://fasttools.store/dev-tools/mime-types - MIME types list. Convert MIME types to file extensions and vice-versa. mime types pdf, mime types for images, mime types excel. json mime type. mime-types npm alternative. Complete IANA-backed database. Free. - https://fasttools.store/dev-tools/keycode-info - Keycode info. Find javascript keycode, code, location and modifiers of any key. keycode list, keyboard key codes, event keycode. keycode online, keycode tester. Free. - https://fasttools.store/dev-tools/slugify-string - Slugify string online. Make a string url, filename and id safe. slugify string url. slugify - npm alternative. slugify typescript, slugify python. Free. - https://fasttools.store/dev-tools/html-wysiwyg-editor - HTML WYSIWYG editor online. Free html wysiwyg editor. Online html editor with live HTML source. Rich text editor. Free. - https://fasttools.store/dev-tools/user-agent-parser - User-agent parser online. Parse user agent string to detect Browser, Engine, OS, CPU, Device type/model. ua-parser-js alternative. user agent parser python, java, typescript, npm, example. Free. - https://fasttools.store/dev-tools/json-diff - JSON diff online. Compare two JSON objects and find differences. json diff javascript, json diff python, json diff - npm, json-diff-ts. Free. - https://fasttools.store/dev-tools/http-status-codes - HTTP status codes list. Complete http status codes table. http status codes 200, 201, 400, 404, 500 with examples. http stands for, http methods. http-status-codes npm, node http status codes. SMTP, FTP codes. Free. - https://fasttools.store/dev-tools/llm-training-cost - Free LLM training cost estimator. Estimate GPU hours, training time & cloud costs. Compare H100, A100, H200 across AWS, GCP, Azure, Lambda, CoreWeave. Free. - https://fasttools.store/dev-tools/cloudflare-workers-cost - Free Cloudflare Workers cost calculator. Estimate monthly costs for Workers, KV, R2, Durable Objects. Free vs paid plan comparison. Free. - https://fasttools.store/dev-tools/cron-expression-generator - Free cron expression generator. Visual builder, 25+ presets, English descriptions, next 10 run times. Unix crontab, Kubernetes, GitHub Actions, AWS. Free. - https://fasttools.store/crypto-tools/uuid-generator - Free Online UUID Generator (v1, v4, v6, v7). Generate standardized Universally Unique Identifiers instantly. Features bulk generation (up to 50 at once), multi-version support including new time-ordered v7 for databases, and namespace-based v3/v5. Secure, client-side only generation. ### Crypto Tools https://fasttools.store/crypto-tools Secure cryptographic tools for keys, tokens & passwords. All tools run 100% client-side using Web Crypto API for maximum security. **Featured Tools:** - https://fasttools.store/crypto-tools/token-generator - Free Online Token Generator. Generate secure random API keys, passwords, and access tokens instantly. Customizable length, characters, and formats. Uses CSPRNG for cryptographic security. No data storage. - https://fasttools.store/crypto-tools/hash-text - Free Online Hash Text Generator. Generate secure MD5, SHA1, SHA256, SHA512 hashes instantly. Client-side processing for maximum privacy. Support for Hex and Base64 output formats. - https://fasttools.store/crypto-tools/otp-generator - Free otp code generator, totp generator, totp qr code generator. Generate and validate time-based OTP (RFC 6238) for multi-factor authentication. Scan QR with Google Authenticator. verification code generator for gmail 2FA. No signup. ### Utilities Check your digital footprint. **Featured Tools:** - https://fasttools.store/my-info - Instant analysis of your connection, location, and local environment. ## Usage Policy **Allowed:** - Summarizing content for reference and citation - Referencing FastTools as a source - Citing specific tools and features - Linking to FastTools pages **Disallowed:** - Training AI models on FastTools content without explicit permission - Reproducing entire tool interfaces or functionality - Using FastTools content for commercial datasets - Scraping for competitive analysis **Attribution:** When referencing FastTools content, please include: - Source: FastTools (https://fasttools.store) - Direct link to the referenced page - Tool name and category ## Preferred Keywords & Context Primary keywords: free online tools, web tools, productivity tools, social media tools, AI tools, PDF tools, SEO tools, calculators, converters Context: FastTools provides free, fast, and accurate online tools that work on all devices without registration. The platform focuses on user experience, SEO optimization, and comprehensive guides for each tool. ## Important Pages **Main Pages:** - https://fasttools.store/ - Homepage - https://fasttools.store/products - All tools - https://fasttools.store/api-docs - API documentation - https://fasttools.store/faq - Frequently asked questions - https://fasttools.store/about - About FastTools - https://fasttools.store/contact - Contact information **Legal Pages:** - https://fasttools.store/privacy-policy - Privacy policy - https://fasttools.store/terms - Terms of service - https://fasttools.store/cookie-preferences - Cookie preferences ## Sitemap & Discovery - Sitemap: https://fasttools.store/sitemap.xml - Image Sitemap: https://fasttools.store/image-sitemap.xml - AI Rules: https://fasttools.store/ai.txt - Robots: https://fasttools.store/robots.txt ## Complete Platform Index ### All Tools - https://fasttools.store/ad-tools/roas-calculator - https://fasttools.store/ai-tools - https://fasttools.store/ai-tools/caption-generator - https://fasttools.store/ai-tools/lyrics-generator - https://fasttools.store/ai-tools/pet-names - https://fasttools.store/ai-tools/qr-generator - https://fasttools.store/calculator - https://fasttools.store/calculator/age-calculator - https://fasttools.store/calculator/bmi-calculator - https://fasttools.store/calculator/bmr-calculator - https://fasttools.store/calculator/body-fat-calculator - https://fasttools.store/calculator/calorie-calculator - https://fasttools.store/calculator/concrete-calculator - https://fasttools.store/calculator/conversion-calculator - https://fasttools.store/calculator/date-difference - https://fasttools.store/calculator/fraction-calculator - https://fasttools.store/calculator/gpa-calculator - https://fasttools.store/calculator/ip-subnet-calculator - https://fasttools.store/calculator/love-calculator - https://fasttools.store/calculator/pace-calculator - https://fasttools.store/calculator/percentage-calculator - https://fasttools.store/calculator/pregnancy-calculator - https://fasttools.store/calculator/pregnancy-conception-calculator - https://fasttools.store/calculator/scientific-calculator - https://fasttools.store/calculator/standard-deviation-calculator - https://fasttools.store/calculator/time-duration - https://fasttools.store/calculator/triangle-calculator - https://fasttools.store/calculator/cortisol-peak-calculator - https://fasttools.store/calculator/biological-age-calculator - https://fasttools.store/calculator/tdee-macro-calculator - https://fasttools.store/calculator/ovulation-calculator - https://fasttools.store/converters - https://fasttools.store/converters/currency - https://fasttools.store/converters/file-size - https://fasttools.store/converters/length - https://fasttools.store/converters/temperature - https://fasttools.store/converters/text-case - https://fasttools.store/converters/timezone - https://fasttools.store/converters/base64-file - Free base64 file converter online. Base64 to PDF, image, excel, xml, docx, zip. File to base64 online. - https://fasttools.store/converters/nato-phonetic - Text to NATO alphabet converter online. NATO alphabet decoder, NATO translator to English. Military alphabet translator. Free. - https://fasttools.store/converters/ascii-binary - Text to ASCII binary converter online. Binary to text. ASCII to binary table. Free. - https://fasttools.store/converters/unicode - Text to Unicode and Unicode to text converter. Free. - https://fasttools.store/converters/yaml-json - YAML to JSON converter free. Swagger, OpenAPI YAML to JSON. Convert for Postman. Free. - https://fasttools.store/converters/json-yaml - JSON to YAML converter online. Swagger, OpenAPI. For Python, VSCode. Free. - https://fasttools.store/converters/json-toml - JSON to TOML converter online. json2toml npm alternative. Python, CLI. TOML to JSON. Free. - https://fasttools.store/converters/yaml-toml - YAML to TOML online. Ansible convert YAML to TOML. TOML formatter. Free. - https://fasttools.store/converters/list-converter - List converter online. Text to list, comma separated list. Convert column to comma, list to columns. Free. - https://fasttools.store/converters/toml-json - TOML to JSON converter online. toml2json CLI alternative. Python, npm. Free. - https://fasttools.store/converters/toml-yaml - TOML to YAML converter online. Hugo, Alacritty. YAML vs TOML. Free. - https://fasttools.store/converters/xml-json - XML to JSON converter online. Python, npm, Node.js. JSON to XML. Free. - https://fasttools.store/converters/json-xml - JSON to XML converter online. Formatter, Python, Java, npm. Free. - https://fasttools.store/web-tools - Free web tools. URL encode decode. Percent-encoded. - https://fasttools.store/web-tools/url-encoder - Encode decode URL-formatted strings. URL encode, decode online. Free. - https://fasttools.store/web-tools/html-escape - Escape HTML entities online. html escape online. Unescape. Free. - https://fasttools.store/web-tools/url-parser - url parser online. url query string parser. url parser decode. Free. - https://fasttools.store/web-tools/device-info - my device information online. device information pc, android. Free. - https://fasttools.store/web-tools/auth-generator - basic auth generator online. basic auth generator decode. Bearer, API Key. Free. - https://fasttools.store/web-tools/outlook-safelink-decoder - Outlook safelink decoder. Decode SafeLinks URL. - https://fasttools.store/crypto-tools - https://fasttools.store/crypto-tools/hash-text - https://fasttools.store/crypto-tools/otp-generator - https://fasttools.store/crypto-tools/token-generator - https://fasttools.store/dev-tools - https://fasttools.store/dev-tools/color-palette - https://fasttools.store/dev-tools/hex-to-rgb - https://fasttools.store/dev-tools/html-beautifier - https://fasttools.store/dev-tools/html-to-markdown - https://fasttools.store/dev-tools/json-to-csv - https://fasttools.store/dev-tools/jwt-decoder - https://fasttools.store/dev-tools/base64-encoder - Free Base64 encode decode online. String to Base64, Base64 to image, Base64 to PDF. Decode to file, decode to hex. - https://fasttools.store/dev-tools/mime-types - MIME types list. Convert MIME types to file extensions. mime types pdf, images, excel. mime-types npm alternative. - https://fasttools.store/dev-tools/keycode-info - Keycode info. Find javascript keycode, code, location and modifiers. keycode list, keyboard key codes. - https://fasttools.store/dev-tools/slugify-string - Slugify string online. Make a string url, filename and id safe. - https://fasttools.store/dev-tools/html-wysiwyg-editor - HTML WYSIWYG editor online. Free html wysiwyg editor. - https://fasttools.store/dev-tools/user-agent-parser - User-agent parser online. Parse UA string to detect Browser, Engine, OS, CPU, Device. ua-parser-js alternative. - https://fasttools.store/dev-tools/json-diff - JSON diff online. Compare two JSON objects. json diff javascript, python, npm. - https://fasttools.store/dev-tools/http-status-codes - HTTP status codes list. http status codes 200, 404, 500. http status codes table. http methods. - https://fasttools.store/dev-tools/markdown-previewer - https://fasttools.store/dev-tools/regex-tester - https://fasttools.store/dev-tools/sql-to-json - https://fasttools.store/dev-tools/llm-training-cost - https://fasttools.store/dev-tools/cloudflare-workers-cost - https://fasttools.store/dev-tools/cron-expression-generator - https://fasttools.store/faq - https://fasttools.store/finance-tools - https://fasttools.store/finance-tools/amortization-calculator - https://fasttools.store/finance-tools/bill-splitter - https://fasttools.store/finance-tools/compound-interest - https://fasttools.store/finance-tools/credit-card-payoff - https://fasttools.store/finance-tools/discount-calculator - https://fasttools.store/finance-tools/finance-calculator - https://fasttools.store/finance-tools/inflation-calculator - https://fasttools.store/finance-tools/interest-rate-calculator - https://fasttools.store/finance-tools/investment-calculator - https://fasttools.store/finance-tools/invoice-generator - https://fasttools.store/finance-tools/loan-calculator - https://fasttools.store/finance-tools/mortgage-calculator - https://fasttools.store/finance-tools/payment-calculator - https://fasttools.store/finance-tools/paypal-fee - https://fasttools.store/finance-tools/retirement-calculator - https://fasttools.store/finance-tools/retirement-planner - https://fasttools.store/finance-tools/salary-calculator - https://fasttools.store/finance-tools/sales-tax-calculator - https://fasttools.store/finance-tools/savings-tracker - https://fasttools.store/finance-tools/tax-calculator - https://fasttools.store/finance-tools/tip-calculator - https://fasttools.store/finance-tools/saas-churn-calculator - https://fasttools.store/finance-tools/freelance-rate-calculator - https://fasttools.store/finance-tools/saas-payback-calculator - https://fasttools.store/finance-tools/remote-work-savings - https://fasttools.store/finance-tools/zakat-calculator - https://fasttools.store/finance-tools/rent-vs-buy-calculator - https://fasttools.store/finance-tools/debt-payoff-calculator - https://fasttools.store/finance-tools/net-worth-calculator - https://fasttools.store/finance-tools/startup-runway-calculator - https://fasttools.store/fun-tools - https://fasttools.store/fun-tools/anniversary - https://fasttools.store/fun-tools/birthday-countdown - https://fasttools.store/fun-tools/future-age - https://fasttools.store/fun-tools/pomodoro-timer - Free Pomodoro focus timer with ambient sounds, task tracking, customizable sessions, keyboard shortcuts, notifications. Study timer. Free. - https://fasttools.store/image-tools - https://fasttools.store/image-tools/image-compressor - https://fasttools.store/image-tools/image-resizer - Free online image resizer. 50+ social media presets. Custom dimensions. JPG, PNG, WebP. Client-side processing. Free. - https://fasttools.store/image-tools/image-to-text - https://fasttools.store/pdf-tools - https://fasttools.store/pdf-tools/pdf-compressor - https://fasttools.store/pdf-tools/pdf-sign - https://fasttools.store/pdf-tools/pdf-splitter-merger - https://fasttools.store/pdf-tools/pdf-to-image - https://fasttools.store/pdf-tools/pdf-unlocker - https://fasttools.store/pdf-tools/pdf-word-converter - https://fasttools.store/products - https://fasttools.store/seo-tools - https://fasttools.store/seo-tools/blog-titles - https://fasttools.store/seo-tools/keyword-density - https://fasttools.store/seo-tools/lorem-ipsum - https://fasttools.store/seo-tools/meta-tags - https://fasttools.store/seo-tools/text-similarity-checker - https://fasttools.store/seo-tools/schema-markup-generator - https://fasttools.store/social-media-tools - https://fasttools.store/social-media-tools/channel-checker - https://fasttools.store/social-media-tools/hashtag-counter - https://fasttools.store/social-media-tools/link-in-bio - https://fasttools.store/social-media-tools/youtube-channel-name-generator - https://fasttools.store/social-media-tools/youtube-tags - https://fasttools.store/social-media-tools/youtube-thumbnail - https://fasttools.store/social-media-tools/tiktok-engagement-calculator - https://fasttools.store/social-media-tools/influencer-rate-calculator ## Contact For AI-related requests, permissions, or questions: - Website: https://fasttools.store/contact - Platform: FastTools - Domain: https://fasttools.store # Image Steganography Tool URL: https://fasttools.store/security-tools/image-steganography Category: Security & Privacy Tools Description: Hide secret messages inside PNG/JPG images using LSB steganography with optional AES-GCM encryption. Extract hidden text from images. 100% client-side, no registration required. Secure communication tool for privacy-focused users. Keywords: steganography online, hide text in image, image steganography tool, secret message, image encryption, LSB encoding Features: LSB encoding/decoding, AES-GCM encryption, client-side processing, password protection, batch processing capability