Developer Tools
Format, decode and test — secrets never leave the tab.
37 tools · all free · nothing uploaded
Base64 Decode
Developer Tools
Decode Base64 back into readable text.
Base64 Encode
Developer Tools
Encode text or files to Base64.
Binary to Decimal
Developer Tools
Convert between binary, decimal and hexadecimal.
Color Converter
Developer Tools
Convert between HEX, RGB, HSL and more.
Cron Expression Generator
Developer Tools
Build and explain cron schedules.
CSS Formatter
Developer Tools
Beautify and organize CSS code.
CSV to JSON
Developer Tools
Convert CSV data into structured JSON.
Diff Checker
Developer Tools
Compare two files or texts and see the differences.
Escape HTML
Developer Tools
Escape HTML special characters for display.
Hash Generator
Developer Tools
Generate MD5, SHA-1 and SHA-256 hashes.
HEX to RGB
Developer Tools
Convert HEX color codes to RGB and back.
HTML Encoder
Developer Tools
Escape and unescape HTML entities.
HTML Formatter
Developer Tools
Format and beautify messy HTML.
HTML to Markdown
Developer Tools
Convert HTML back into Markdown.
JavaScript Formatter
Developer Tools
Format and beautify JavaScript.
JSON Formatter
Developer Tools
Format, beautify and validate JSON instantly.
JSON to CSV
Developer Tools
Convert JSON arrays into a CSV spreadsheet.
JSON to YAML
Developer Tools
Convert JSON into clean YAML.
JSON Validator
Developer Tools
Validate JSON and pinpoint syntax errors.
JWT Decoder
Developer Tools
Decode and inspect JWT header and payload.
Markdown to HTML
Developer Tools
Convert Markdown into clean HTML.
Markdown to PDF
Developer Tools
Convert Markdown documents into styled PDF files.
MD5 Generator
Developer Tools
Create an MD5 hash from any text.
Minify CSS
Developer Tools
Shrink CSS by removing whitespace and comments.
Minify HTML
Developer Tools
Compress HTML into a single minified line.
Minify JS
Developer Tools
Minify JavaScript to reduce file size.
Password Generator
Developer Tools
Generate strong, random passwords locally.
QR Code Generator
Developer Tools
Generate a QR code for a URL, text or Wi-Fi.
Regex Tester
Developer Tools
Test regular expressions with live match highlighting.
SHA256 Generator
Developer Tools
Create a SHA-256 hash from any text.
SQL Formatter
Developer Tools
Format SQL queries for readability.
Timestamp Converter
Developer Tools
Convert Unix timestamps to dates and back.
URL Decoder
Developer Tools
Decode percent-encoded URL strings.
URL Encoder
Developer Tools
Percent-encode text for safe use in URLs.
UUID Generator
Developer Tools
Generate v4 UUIDs in bulk.
XML Formatter
Developer Tools
Format and validate XML documents.
YAML to JSON
Developer Tools
Convert YAML into JSON.