Utilities for coding, debugging, formatting, and conversions in a consistent privacy-first workspace.
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JSON Formatter
Beautify and validate JSON instantly in your browser.
Developer Tools
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JWT Decoder
Decode token payloads without sending secrets anywhere.
Developer Tools
UUID Generator
Generate fresh UUIDs for IDs, mocks, and test data.
Developer Tools
Regex Tester
Test patterns and inspect real-time regex matches.
Developer Tools
Timestamp Converter
Convert Unix timestamps into readable date values instantly.
Developer Tools
Color Converter
Convert and preview color values for visual systems.
Developer Tools
SQL Formatter
Make SQL readable before reviews, debugging, or sharing.
Developer Tools
XML Formatter
Indent and format raw XML documents cleanly.
Developer Tools
Base Converter
Convert between decimal, binary, octal, and hex.
Developer Tools
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly.
Developer Tools
New
Free Online Developer Utilities
UseDaily provides a suite of free, client-side developer tools to help you debug, format, and convert data instantly. From JSON formatting and JWT decoding to UUID generation and regex testing, everything runs securely in your browser.
How to Use
Select a tool from the top navigation bar. Paste your input into the left panel (or top panel on mobile), and the processed output will appear instantly. Use the copy button to grab the result.
Who Is This For?
1
Frontend Developers
Format JSON responses, debug JWT tokens, and test regex patterns.
2
Backend Developers
Generate UUIDs, convert Base64, and format SQL queries.
3
Students
Learn how different data formats and encodings work.
Key Features
JSON Formatter
Validate and beautify minified JSON data instantly.
JWT Decoder
Decode JSON Web Tokens to view claims without a secret key.
Regex Tester
Test regular expressions against text in real-time.
Privacy Focused
All processing happens in your browser. Your data is never sent to any server.
Frequently Asked Questions
Yes. All UseDaily developer tools are completely free to use with no account or subscription required.
No. All processing happens locally in your browser using JavaScript. Your data never leaves your device.
UseDaily includes JSON Formatter, JWT Decoder, UUID Generator, Regex Tester, Timestamp Converter, Color Converter, SQL Formatter, XML Formatter, Base Converter, and Hash Generator.
Once the page is loaded, most tools work without an internet connection since all processing runs client-side.