Categories Overview
Encoding & Encryption
10 tools for working with encoded data, timestamps, tokens, and patterns.- Unix Time Converter — Convert between epoch timestamps and human-readable dates
- JSON Format/Validate — Validate and prettify JSON with error highlighting
- Base64 String Encode/Decode — Encode or decode UTF-8 text to Base64
- Base64 Image Encode/Decode — Convert images to data URLs and back
- JWT Debugger — Inspect JWT header and payload claims (no verification)
- RegExp Tester — Test regular expressions with live match highlighting
- URL Encode/Decode — Encode and decode URL components
- URL Parser — Break down URLs into protocol, hostname, path, params
- Cron Job Parser — Parse cron expressions into human-readable English
- Certificate Decoder (X.509) — Decode and inspect PEM/DER certificates
Escaping & Entities
3 tools for handling escaped strings and entity encoding.- HTML Entity Encode/Decode — Convert between text and HTML entities (
&,<, etc.) - Backslash Escape/Unescape — Handle escaped string content with Unicode support
- UUID/ULID Generate/Decode — Generate UUID v4/v7 and ULID values, decode ULID timestamps
Preview & Comparison
2 tools for rendering and comparing content.- HTML Preview — Render HTML safely in a sandboxed iframe
- Text Diff Checker — Compare two text blocks with unified diff or line-by-line comparison
Format Converters
9 tools for converting between data formats.- YAML to JSON — Convert YAML documents to JSON
- JSON to YAML — Convert JSON documents to YAML
- Number Base Converter — Convert between binary, octal, decimal, and hexadecimal
- Color Converter — Convert between HEX, RGB, HSL, and HSV color formats
- SVG to CSS — Embed SVG as CSS
background-imagedata URL - cURL to Code — Convert cURL commands to JavaScript fetch, Python requests, PHP
- JSON to Code — Generate TypeScript, Python, Go, Rust structs from JSON
- Hex to ASCII — Convert hex bytes to ASCII text
- ASCII to Hex — Convert ASCII text to hex bytes
Code Beautifiers
7 tools for formatting and minifying code.- HTML Beautify/Minify — Format or minify HTML
- CSS Beautify/Minify — Format or minify CSS
- JS Beautify/Minify — Format or minify JavaScript/TypeScript
- ERB Beautify/Minify — Format ERB templates
- LESS Beautify/Minify — Format LESS stylesheets
- SCSS Beautify/Minify — Format SCSS/Sass stylesheets
- XML Beautify/Minify — Format, minify, and validate XML/XHTML
Generators
4 tools for generating content.- Lorem Ipsum Generator — Generate placeholder text (paragraphs or words)
- QR Code Reader/Generator — Generate QR codes from text or decode from images
- String Inspector — Inspect text characteristics (length, bytes, Unicode info)
- Random String Generator — Generate random strings, passwords, and passphrases
Data Transformers
16 tools for transforming and analyzing data.- JSON to CSV — Convert JSON arrays to CSV format
- CSV to JSON — Convert CSV to JSON array of objects
- Hash Generator — Generate MD5, SHA-1, SHA-256, SHA-512, HMAC-SHA256 hashes
- HTML to JSX — Convert HTML markup to JSX (React)
- Markdown Preview — Render Markdown to HTML with live preview
- SQL Formatter — Format SQL queries across dialects (PostgreSQL, MySQL, SQLite, BigQuery)
- List Splitter — Split lists into batches with multiple output formats
- CSV to SQL INSERT — Generate SQL INSERT statements from CSV data
- List Compare — Find intersection, union, differences between two lists
- Text Separator — Re-separate text with any delimiter (comma, newline, tab, etc.)
- String Case Converter — Convert between camelCase, snake_case, kebab-case, PascalCase
- PHP to JSON — Convert PHP serialized data to JSON
- JSON to PHP — Convert JSON to PHP array or serialized format
- PHP Serializer — Serialize data to PHP format
- PHP Unserializer — Unserialize PHP data to readable form
- Line Sort/Dedupe — Sort and deduplicate lines of text
Category Navigation
The sidebar groups tools by category for quick access. Click any category to expand and view its tools. You can also use the Command Palette (Cmd/Ctrl+K) to search across all 51 tools by name, description, or keywords.