Tools that don't suck
Every tool here was built because I needed it and everything else was either bloated, slow, or harvesting my data. They run in your browser where possible. No accounts. No "premium tiers" for basic functionality. Just tools.
JSON Formatter
Paste ugly JSON. Get pretty JSON. Works offline in your browser. No server upload, no sketchy data collection.
Favicon Converter
Drop a PNG. Get every favicon size Apple, Google, and Microsoft demand. Because who memorizes 180x180 vs 32x32?
AI Code Explainer
Paste spaghetti code. Get a human explanation. Understands context, not just pattern matching. Powered by fast AI.
AI Proofreader
Fix spelling, clean up syntax mutations, and perfect tone in seconds. High-fidelity grammar and stylistic checks powered by fast contextual AI.
Music Downloader
Paste Spotify or Apple Music URLs to instantly extract high-fidelity track assets. Zero quality degradation, pre-packaged media tags.
File Converter
Images, documents, whatever. Converts entirely in your browser. Your files never touch our servers. Privacy by default.
Regex Tester
Test patterns in real-time. Includes a cheat sheet because let's be honest, lookahead assertions are black magic.
Color Palette Generator
Generate accessible color palettes, convert between HEX, RGB, HSL. For people who know design matters but hate picking colors.
SEO-focused guides for tool workflows
Practical use cases that match real search intent and help developers solve a problem with a tool, not just use the tool.
Use case
Validate API response JSON online with TechSilo
Use the TechSilo JSON Formatter to validate API response JSON and catch syntax errors before shipping code.
Read guideUse case
JSON Formatter vs JSONLint: which is faster for dev debugging?
Compare TechSilo JSON Formatter against JSONLint for quick developer debugging and local validation.
Read guideUse case
Debug regex groups online with TechSilo Regex Tester
Learn how to use TechSilo Regex Tester to inspect capture groups, test replacements, and fix broken patterns instantly.
Read guideNeed something else?
If a tool is annoying you enough that you'd pay for a better version, tell me about it. I build what I personally need, and chances are you're not alone.
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