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String Inspector

Analyze text: bytes, entropy, frequency, encoding detection. Free, fast, and 100% client-side. No data ever leaves your browser.

JSON

JSON Compare
JSON Formatter
JSON Schema
JSON → TypeScript
JSON → Zod
JSONPath Tester

Convert

Bytes / Units
CSV ↔ JSON
JSON → CSV
JSON → XML
JSON → YAML
Markdown → HTML
TOML ↔ JSON

Encode

Base64
Escape / Unescape
URL Encode

Validate

Email Validator
IP Inspector
JWT Expiry
Semver
URL Inspector
YAML Validator

Text

Case Converter
Line Tools
Slug Generator
Text Diff
Word Counter

Markup

HTML Formatter
Markdown Preview
Markdown Table
SOAP Formatter
XML Formatter

Developer

Chmod Calculator
Cron Parser
GraphQL Formatter
Hash Generator
JS Playground
Number Base
PEM Decoder
Regex Tester
Robots.txt
SQL Formatter
Timestamp
Unicode Inspector
UUID Generator

HTTP & Auth

Cookie Parser
cURL Converter
.env Parser
Email Auth Tools
Email Headers
HTTP Headers
HTTP Status Codes
JWT Decoder
JWT Builder
User Agent Parser

Utilities

Color Converter
CSV Tools
CSV Viewer
Image → Base64
JS / CSS Minifier
Lorem Ipsum
Password Generator

Reference

HTML Reference
CSS Reference
JavaScript Reference
PHP Reference
Python Reference
PowerShell Reference
Bootstrap Reference

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