JSON Formatter
Prettify, validate, and minify JSON without leaving the browser.
DeveloperFeaturedjsonformatting
Developer
Developer Tools
Utilities for formatting data, decoding tokens, testing patterns, and speeding up day-to-day development work.
Category
7 tools in this categoryDeveloperRecommended
Utility
JSON to TypeScript
Convert JSON examples into reusable TypeScript interfaces.
DeveloperFeaturedjsontypescript
JWT Decoder
Inspect JWT header and payload claims without verifying the signature.
DeveloperFeaturedjwtauth
Base64 Encode / Decode
Encode plain text to Base64 or decode Base64 back to readable text.
Developerbase64encoding
Timestamp Converter
Convert Unix seconds and milliseconds into readable local and UTC time.
Developertimetimestamp
Cron Generator
Build common cron expressions and validate manual schedule edits.
Developercronscheduling
Regex Tester
Run regular expressions against sample text and inspect live matches.
Developerregextext
FAQ
What kind of developer tools are included here?
This category focuses on browser-based utilities such as JSON formatting, Base64 conversion, JWT decoding, regex testing, and timestamp conversion.
Do these developer tools run locally?
Most utilities in this category work directly in the browser so you can inspect or transform input without shipping it to a remote service.