Developer Tools
QR codes, encoders, formatters and other everyday dev utilities.
12 tools in this category
HTML Minifier
Remove comments and extra whitespace from HTML, and minify inline CSS.
Use ToolQR Code Generator
Make QR codes from text or links and download them as PNG or SVG.
Use ToolPassword Generator
Generate random passwords with the length and character types you choose.
Use ToolBase64 Encoder
Encode and decode Base64 strings.
Use ToolJSON Formatter
Format, validate and minify JSON, with optional key sorting.
Use ToolURL Encoder / Decoder
Encode, decode and parse URLs and query strings.
Use ToolHash Generator
Create SHA-256, SHA-384, SHA-512, SHA-1 and MD5 hashes of text or files.
Use ToolCSV ↔ JSON Converter
Convert CSV to JSON and JSON back to CSV.
Use ToolColor Palette Generator
Generate an 11-step color scale from one HEX color.
Use ToolColor Contrast Checker
Check text and background colors against the WCAG AA and AAA contrast requirements.
Use ToolJWT Decoder
Decode a JSON Web Token’s header and payload, check its dates and verify its signature.
Use ToolRegex Tester
Test JavaScript regular expressions with live match highlighting, groups and a replace preview.
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