Developer Tools Tools

SVG to React JSX & Canvas Code

Transform SVG vectors into reusable React components and HTML5 Canvas scripts

.ENV Secret Scanner & Validator

Detect leaked API keys and generate clean .env.example templates safely

HAR Network Log Sanitizer

Redact Bearer tokens, cookies, and passwords from HTTP Archive traces

Regex Visual Explainer & Railroad

Deconstruct and visualize regular expressions with interactive railroad diagrams

HTML Runner

Write and preview HTML locally

CSS Runner

Write CSS and preview it locally

JavaScript Runner

Run JavaScript safely in a sandbox

HTML Editor

Edit and download HTML files

CSS Editor

Edit and download CSS files

JavaScript Editor

Edit and download JavaScript files

XML Editor

Edit and download XML files

XML Formatter

XML Formatter for local files

XML Validator

Validate XML and report parser errors

JSON Formatter

Pretty print JSON with parser locations

JSON Minifier

Minify valid JSON

JSON Diff

Compare two JSON documents recursively

JSONPath Tester

Evaluate JSONPath expressions against JSON

YAML to JSON

Convert YAML into formatted JSON

JSON to YAML

Convert JSON into YAML

SQL Formatter

Format SQL with dialect and keyword options

HTML Beautifier

Pretty print HTML with configurable indentation

CSS Minifier

Remove comments and unnecessary CSS whitespace

JS Minifier

Minify JavaScript with Terser

Cron Generator

Build a five-field cron expression

UUID Generator

Generate cryptographically random UUIDs

JWT Decoder

Decode JWT header and payload locally

Base64 Encoder

Encode and decode UTF-8 Base64

URL Encoder

Encode or decode URL components

HTML Entity Converter

Encode or decode HTML entities

Timestamp Converter

Convert Unix timestamps and ISO dates

API Mock Generator

Generate repeatable mock API response data from JSON schemas

Regex Tester

Test regular expressions and inspect capture groups

Markdown Table Generator

Convert delimited rows into Markdown tables