76 Free Online Tools
Fast, privacy-friendly utilities that run entirely in your browser. No signup. No upload. No tracking.
Developer Tools
JSON, regex, encoding, hashing, formatting — essential tools for developers.
Text Tools
Count, convert, clean, and analyze text quickly.
Image & PDF
Resize, compress, convert images and PDFs — all in your browser.
Calculators
Everyday and business calculators.
Why use Toolkit?
Most online tools ask you to upload files, create accounts, and trust them with your data. We don't.
Privacy First
Every tool runs entirely in your browser. Your files, text, and data never leave your device. No upload. No server. No tracking.
Instant Results
No waiting for server uploads. Tools process locally in milliseconds, so you get results instantly — even on slow connections.
Free Forever
No signup, no paywall, no premium tier. Every tool is free and will stay free. No ads inside the tools themselves.
Works Everywhere
Desktop, tablet, mobile. Light mode, dark mode. Modern browsers only — no IE support, no plugin downloads.
Most popular tools
The tools our users reach for most often.
Format, beautify, minify, and validate JSON. Essential for working with APIs and config files.
Count words, characters, sentences, and estimate reading time. Perfect for writers and SEO.
Resize and convert images without uploading. Works with JPG, PNG, WebP, and HEIC.