Developer tools
Developer calculators and tools
Fast browser-based utilities for common developer tasks.
All tools
7 tools available now, with more on the way.
JSON FormatterFormat, validate, or minify JSON locally in your browser.→Base64 Encoder and DecoderEncode text as Base64 or decode Base64 back to text locally.→URL Encoder and DecoderEncode or decode text for a URL component in your browser.→UUID GeneratorGenerate a random UUID v4 locally in your browser.→Password GeneratorGenerate a strong random password locally in your browser.→Unix Timestamp ConverterConvert Unix seconds, milliseconds, microseconds, or nanoseconds to readable dates.→JWT DecoderDecode JWT headers, payloads, and time claims locally without uploading the token.→
Frequently asked questions
Quick answers about the result and its assumptions.
How do I use these developer tools?
Choose a tool, enter the values you know, and review the result and assumptions before making a decision.
Are these results professional advice?
No. These tools are educational references. Use them alongside information from a qualified professional when appropriate.