Practical browser-based tools for developers, architects, and AI engineers. Validate APIs, debug tokens, design systems, work with JSON, build diagrams, and reason about distributed systems — without installing another tool.
The six tools that define Tools-Hut's developer identity: validate APIs, debug tokens, design systems, and reason about distributed systems.
Validate, format, minify, and transform JSON. Syntax highlighting with exact line-and-column error location. Copy formatted or minified output instantly.
Open toolCompose and fire HTTP requests with custom method, headers, query params, and body. See response status, headers, body, and precise timing — like a lightweight Postman.
Open toolDecode and inspect JSON Web Tokens entirely client-side. See header, payload, expiry status, and algorithm. Verify signatures without sending your secret anywhere.
Open toolPick your topology, DNS routing, replication, and cluster setup, then simulate a region failure. See what breaks, in what order, with split-brain and data-loss risk flags — reasoning only, no live infrastructure touched.
Open toolThe rest of the toolkit — fast, reliable, and exactly what they say on the label.
Test, validate, format, and debug the code and protocols you work with every day.
Live regex testing with match highlighting, capture group breakdown, named groups, and full flag controls. Test against multiple strings simultaneously.
Open toolPrettify raw SQL queries with keyword casing, indentation, and clause alignment. Supports MySQL, PostgreSQL, SQLite, and MSSQL dialects.
Open toolSide-by-side diff of two text blocks with line-level change highlighting. Useful for comparing config files, API responses, or any two versions of text.
Open toolBuild CRON expressions visually or type them manually. Real-time human-readable description and a preview of the next 10 scheduled run times.
Open toolGenerate, encode, convert, and inspect — the small tools that save outsized time.
Generate v4 UUIDs instantly. Bulk-generate up to 1,000 at once. Validate existing UUIDs. Copy as plain text, JSON array, or SQL VALUES clause.
Open toolGenerate cryptographically secure passwords using the Web Crypto API. Configure length, character sets, and quantity. Live strength meter based on entropy bits.
Open toolEncode and decode Base64 for strings and files. Supports URL-safe variant. Handles binary files — drag and drop an image to get its Base64 data URI instantly.
Open toolPick colors and convert instantly between HEX, RGB, HSL, and HSV. Generate complementary, triadic, and analogous palettes. Export as CSS variables or Tailwind config.
Open toolWrite Markdown with a live split-pane preview. Export to clean HTML, download as .md file, or copy the rendered HTML. GFM tables and fenced code blocks supported.
Open toolDiagnose browser, OS, screen, hardware, and supported Web APIs in one report. Useful for debugging cross-browser issues and checking feature support without MDN.
Open toolConvert length, weight, temperature, volume, and speed between metric and imperial units, entirely client-side.
Open toolConvert time between timezones with DST support. Search by city or country to schedule meetings across regions.
Open toolTool-specific reading is linked directly under each featured tool above. These cover broader ground.