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Robots.txt Visual Analyzer
Analyze robots.txt instantly. Parse directives, spot issues, and test URLs by user-agent with longest-match evaluation. Private, fast, and fully browser based.
Cardano Grille Shifter
Shift ADA between wallets, delegate stake, and manage your Cardano funds securely with Grille Shifter. Easy to use and built for convenience.
Substitution Table Maker
Generate substitution tables for cryptography & security. Create custom alphabets and mappings quickly & easily. Free online tool!
Enigma Rotor Simulator
Simulate the Enigma machine online. Encrypt and decrypt messages using various rotor settings. Learn about cryptography and WWII codebreaking.
Emergency Fund Size Estimator
Calculate the ideal emergency fund size by months of cover, expenses, risk and buffers. Global friendly amounts with no currency symbols.
Vocabulary Builder Tool
Build your vocabulary with our free online tool. Learn new words, improve your communication, and ace tests! Start building today.
Online Dice Roller
Roll dice online with realistic sound and instant totals. Choose D4, D6, D8, D10, D12, or D20 dice, up to 10 at once. online Virual Dices.
UUID generator
Generate UUIDs online with our free and easy-to-use UUID generator. Create unique identifiers for your applications and databases.
QR Code Explainer - Decode Any QR
QR Code ExplainerDecode any QR code online - URLs, UPI payments, Wi-Fi, vCards & tracking (UTM). Secure, no redirects, privacy-first. Free QR analyzer.
Image Metadata Viewer - Free EXIF Tool Online
View EXIF metadata like camera, GPS, date with our free tool. Secure and easy at FreeAiToolsOnline.com.
Image Compressor Online
Compress images without losing visual quality. Optimize JPG, PNG, WebP, AVIF, GIF, and SVG with preview, resize, metadata stripping, and batch ZIP export.
Image to Base64 Encoder - Decoder
Convert images to Base64 and decode Base64 back to images in one tool. Preview, copy, or download with correct MIME for PNG, JPG, SVG, WebP, and more fast.