Developer tools
Format, validate and inspect code and data
Everyday developer utilities: formatters, validators, diff tools, regex testers and encoders. Nothing you paste leaves the page.
Available now (3)
HTML Entity Encoder & Decoder
Escape text for safe use in HTML, or decode entities back into readable characters.
JSON Formatter
Format, validate and minify JSON with clear error messages that point at the exact position.
Regex Tester
Test a regular expression against sample text with live highlighting and capture groups.
Planned for this category (56)
These are on the roadmap. They get a page when they actually work — no placeholder pages.
- Batch File Renamer
- Binary File Viewer
- Code Beautifier
- Code Diff
- Code Minifier
- CSS Escape Generator
- CSS Formatter
- CSS Minifier
- Duplicate File Detector
- File Extension Detector
- File Hash Generator
- File List Generator
- File Metadata Viewer
- File Name Cleaner
- File Renamer
- File Size Calculator
- GZIP Compressor
- GZIP Decompressor
- Hex Viewer
- HTML Formatter
- HTML Minifier
- JavaScript Escape Generator
- JavaScript Formatter
- JavaScript Minifier
- JSON Diff
- JSON Escape
- JSON Key Extractor
- JSON Path Tester
- JSON Schema Generator
- JSON Schema Validator
- JSON Sorter
- JSON to CSV
- JSON to XML
- JSON to YAML
- JSON Tree Viewer
- JSON Unescape
- JSON Value Extractor
- JSON Viewer
- Markdown Formatter
- Markdown Previewer
- MIME Type Detector
- Regex Escape Tool
- Regex Explainer
- Regex Generator
- Regex Match Extractor
- Regex Replace Tester
- Regex Split Tester
- SQL Formatter
- SQL Minifier
- TAR Creator
- TAR Extractor
- XML Formatter
- XML Minifier
- YAML Formatter
- ZIP Creator
- ZIP Extractor