26 tools · 100% client-side · no login
Tiny tools,
zero friction.
A lightweight toolbox of daily-use utilities — calculators, image editors, formatters, generators. Everything runs in your browser. No uploads, no tracking.
Pomodoro Timer with Ambient Sounds
Mix rain + wind + campfire simultaneously. 9 built-in nature sounds, custom durations, ticking metronome, and a multi-track volume mixer. Your perfect focus environment.
●Most used
8 toolsMath & Logic
7Time & Data
3Image & Media
6Text & Dev
10●Why TinyToolkit
Every tool runs in your browser.
Unlike most online tool sites that upload your files to a server, TinyToolkit processes everything client-side using the HTML5 Canvas and Web Audio APIs. Your images, text, and audio never leave your device. This means faster processing, complete privacy, and zero server costs — which is why every tool here is free forever.
When you crop an image, format JSON, or generate a QR code, the work happens in your browser's JavaScript engine. No waiting for uploads. No file size limits. No “premium plan” upsells. Just instant, private, reliable utilities.
Built for developers, students, and creators.
TinyToolkit is designed for the moments when you need a quick calculation, a properly formatted JSON payload, a strong password, or a cropped image — without installing software or signing up for yet another account. Developers use our JSON formatter, UUID generator, and Base64 encoder daily. Students rely on our calculators and BMI tool. Designers love the color picker and CSS gradient generator.
The Pomodoro Timer with ambient sounds is our standout feature — mix rain, ocean waves, wind, and campfire simultaneously with individual volume controls. It's the focus tool we always wanted but couldn't find elsewhere, so we built it.
No account. No uploads. No tracking.
Bookmark this page and use it offline — TinyToolkit installs as a PWA on any device. Every tool runs in your browser. Your data stays yours.