Category
Dev Lab
Choose a tool to start.
Encoder & Escaper
Encode and decode Base64, hex, URL, HTML entities, and language escapes.
Semver Calculator
Test semver ranges, sort versions, and bump a release number.
Cron Visualizer
Validate a cron expression, read it in plain words, and preview the next runs.
Tar Explorer
List and extract the entries of a tar, tar.gz, or zip archive in the browser.
TS / JSX Transpiler
Transpile TypeScript and JSX to plain JavaScript in the browser.
Code Minifier and Beautifier
Minify and format JavaScript, TypeScript, HTML, Vue, CSS, SCSS, JSON, Markdown, YAML, GraphQL, and SQL.
AST Playground and Resolver
Inspect ESTree ASTs and resolve module paths with OXC.
RegEx Tester and Explainer
Test regular expressions, highlight matches, and explain tokens.
Case and Slug Converter
Convert text into camelCase, PascalCase, snake_case, kebab-case, and URL slugs.
Timestamp Studio
Convert Unix timestamps, measure a duration, and read the epoch in any timezone.
CSS Unit Converter
Convert values between px, rem, em, vw, and vh.
QR Code Studio
Generate SVG and PNG QR codes for URLs, text, and Wi-Fi networks.
Chmod Calculator
Convert between octal numbers and symbolic file permissions.
Markdown Table Generator
Build, format, and align Markdown tables with real-time output.
Glob Tester
Test glob patterns against a list of file paths in real-time.
cURL to Code Converter
Convert cURL commands to Fetch, Axios, Python Requests, and Go.
HTML & SVG to JSX / Vue
Convert HTML or SVG markup into a React JSX or Vue component.