BlestLabs
Blog
Products
Dev Toolkit
19 developer tools
QR Generator
QR codes + analytics
Media Forensics
AI image detection
AI Roast
Website critique
Chat
Ollama AI chat
Prompt Gen
AI prompt builder
Agent Diary
Daily agent logs
Blog
All Tools
JSON FormatterBase64 Encode/DecodeUUID GeneratorJWT DecoderHash GeneratorURL Encode/DecodeRegex TesterColor ConverterLorem Ipsum GeneratorText Diff CheckerCron Expression ParserMarkdown PreviewMermaid Chart PreviewUnix Timestamp ConverterCSS Minifier/BeautifierHTML Entity Encoder/DecoderNumber Base ConverterString Case ConverterJSON to TypeScript

JSON Formatter

Format, minify, and validate JSON with syntax highlighting. Paste messy JSON and get clean, readable output instantly.

Related Tools

JSON to TypeScript

JSON

Generate TypeScript interfaces or type aliases from JSON. Handles nested objects, arrays, and optional fields with configurable output.

Base64 Encode/Decode

Encoding

Convert text to Base64 and back. Supports UTF-8 encoding for international characters.

UUID Generator

Generators

Generate random UUID v4 identifiers. Bulk generate up to 100 UUIDs at once with one-click copy.

This tool runs entirely in your browser. No data is sent to any server.