Developer Utility Suite
All the small dev tools
you keep rebuilding, in one clean workspace.
Fast, browser-only utilities for formatting, decoding, and generating assets. No uploads, no sign-ups, no distractions.
Popular tools
JSON Formatter & Validator
Format, validate, and minify JSON data instantly.
JWT Decoder
Decode and inspect JWT tokens securely.
Base64 Encoder / Decoder
Encode or decode Base64 strings instantly.
RegEx Tester
Test and debug regular expressions live.
CSS Grid Generator
Design custom responsive CSS grid layouts.
UUID Generator
Generate secure bulk v1, v4, and v7 UUIDs.
Hash Generator
Create secure MD5, SHA-256, and SHA-512 hashes.
CSV to JSON Converter
Convert CSV sheets to structured JSON arrays.
CSS Gradient Generator
Create custom linear and radial CSS gradients.
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All categoriesInteractive Playground
Enhance Your Coding Speed & Muscle Memory
Take a break from debugging and try our client-side interactive typing modules. Practice syntax layouts, benchmark your words per minute (WPM), and build fluid muscle memory for keyboard-heavy coding workflows.
Typing Speed Evaluation
Benchmark your typing performance with customizable timing intervals (15s, 30s, 60s). Track live words-per-minute (WPM), accuracy percentages, and keystroke metrics in real time.
Guided Typing Practice
Perfect your touch-typing muscle memory with custom, code-focused sentence drills. Avoid standard sentence limits, build consistent finger layouts, and reduce errors in special-character syntax blocks.
Why We Built ToolMight
As developers, we are constantly copying and pasting sensitive information—like client data, API keys, JSON payloads, and config code—into random online formatters and converters. But did you know most online utilities actually send your raw inputs straight to their remote servers? That is a massive data security risk.
We built ToolMight because we wanted a faster, cleaner, and completely secure alternative. Every single tool on this platform runs **100% inside your browser**. Everything you format, convert, or generate is processed locally inside your own browser sandbox. Your data never travels over the network, keeping your sensitive details entirely private.
Is my sensitive data actually secure?
Yes, absolutely. Since all calculations execute locally on your computer via client-side JavaScript, there is no database logging or external network transmissions. No database, server, or cloud service ever sees your JSON files, JWT tokens, or security keys. It is as secure as offline desktop software.
Do these tools work offline?
Yes! ToolMight is designed as a Progressive Web App (PWA). Once you visit the site, your browser caches the entire suite of tools locally. Whether you are on a flight, in a subway, or facing spotty Wi-Fi, you can load and use every single converter and generator completely offline.
Why is this platform entirely free and signup-free?
We believe core developer utilities should be immediately accessible—no paywalls, no signup forms, and no cookies. Because we process all data locally on your computer rather than renting expensive backend servers, our hosting costs are extremely low. We are happy to pass those savings along and keep ToolMight free for everyone.
Does the site remember my workspace preferences?
Yes, it does! We use your browser's local storage to save your editor theme preferences, layouts, and slider settings. When you return to format a JSON string or adjust a grid layout, your workspace loads exactly how you left it—giving you instant productivity with zero friction.
Explore all 19+ tools
New tools added regularly — free, fast, and private.