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 signups, no distractions.
JSON Formatter
Validate, format, and minify JSON with instant feedback.
JWT Decoder
Decode JWT headers and payloads without sending data anywhere.
Base64 Encoder / Decoder
Encode or decode Base64 safely in the browser.
URL Encoder / Decoder
Encode and decode URLs or query parameters.
RegEx Tester
Test regular expressions with live matches and highlights.
Case Converter
Convert text between common casing styles instantly.
Popular tools
View all toolsJSON Formatter
Validate, format, and minify JSON with instant feedback.
JWT Decoder
Decode JWT headers and payloads without sending data anywhere.
RegEx Tester
Test regular expressions with live matches and highlights.
CSV to JSON Converter
Turn CSV data into JSON arrays or objects.
No signups
Everything runs locally in your browser.
Instant UX
Fast tools with predictable layouts.
Minimal ads
Clear separators that never block your work.
Data & API
Format, validate, and decode common data formats.
JSON Formatter
Validate, format, and minify JSON with instant feedback.
JWT Decoder
Decode JWT headers and payloads without sending data anywhere.
Base64 Encoder / Decoder
Encode or decode Base64 safely in the browser.
URL Encoder / Decoder
Encode and decode URLs or query parameters.
RegEx & Text
Test patterns and transform text quickly.
Conversion
Convert between developer-friendly formats.
Frontend / CSS
Generate UI-ready CSS snippets and effects.
Assets
Convert and generate assets for web projects.