21K Tools
Free browser tools that work — no sign-up, no uploads
21K Tools launched on March 14, 2026.
What it does
Most free online tools are slow, ad-stuffed, or sketchy with your files. We built 21K Tools because we got tired of that. Everything runs in your browser, your files never leave your device. No account needed, no paywalls, no tracking. Tools available: → URL Shortener with analytics & QR codes → QR Code Generator & Scanner → PDF Toolkit — merge, split, compress, convert → File Converter — 100+ formats → Image Resizer & Compressor → Age & Time Calculator → Interest Calculator → Unit Converter
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Free Online Tools2025 · minitools4u.com · ▲14Hi HN! I built ToolDexo - a collection of 29 free online tools because I was tired of websites that force you to sign up just to use a calculator or word counter. What's included: - Calculators: BMI, calorie, mortgage, loan, tax, grade, tip, percentage, age, compound interest - Converters: Currency (36 currencies with live rates), unit, timezone, file size - Generators: Password, QR code, favicon, color picker, Lorem Ipsum, random number - Text tools: Word counter, case converter, character counter, text compare, Markdown editor - Dev tools: JSON formatter, Base64 encoder/decoder Tech…
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