Developer Tools
JSON formatters, encoders, decoders and dev utilities
JSON Formatter
Format, validate and minify JSON with syntax highlighting.
Open tool →Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text.
Open tool →UUID Generator
Generate UUID v4 identifiers, single or in bulk.
Open tool →Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Open tool →URL Encode / Decode
Encode or decode URLs and query parameters.
Open tool →HTML Entity Encode / Decode
Encode special characters to HTML entities or decode them back.
Open tool →JWT Decoder
Decode and inspect JWT tokens — header, payload and claims.
Open tool →Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text.
Open tool →CSV to JSON Converter
Convert CSV data to JSON array format.
Open tool →JSON to CSV Converter
Convert JSON arrays to CSV format with custom delimiters.
Open tool →JSON to YAML Converter
Convert JSON to YAML format instantly.
Open tool →YAML to JSON Converter
Convert YAML to JSON format instantly.
Open tool →TOML to JSON Converter
Convert TOML configuration to JSON format.
Open tool →HTTP Status Code Reference
Searchable reference for all HTTP status codes with descriptions.
Open tool →Regex Tester
Test regular expressions with live highlighting, matches and capture groups.
Open tool →User Agent Parser
Parse user agent strings to identify browser, OS and device.
Open tool →Color Converter
Convert colors between HEX, RGB, HSL and CMYK formats.
Open tool →MIME Type Lookup
Look up MIME types by file extension or search by type.
Open tool →Cron Expression Parser
Parse cron expressions into human-readable schedules with next run times.
Open tool →XML Formatter / Validator
Format, beautify and validate XML with customizable indentation.
Open tool →CSS Formatter / Minifier
Format, beautify and minify CSS code.
Open tool →SQL Formatter
Format and beautify SQL queries with keyword uppercasing.
Open tool →HTML Formatter / Beautifier
Format, beautify and minify HTML code.
Open tool →HTML to JSX Converter
Convert HTML to JSX with automatic attribute conversion.
Open tool →JavaScript Formatter / Minifier
Format, beautify and minify JavaScript code.
Open tool →HMAC Generator
Generate HMAC signatures with SHA-1, SHA-256, SHA-384 and SHA-512.
Open tool →Markdown Preview
Write Markdown and see rendered HTML in a live split-pane preview.
Open tool →Diff Checker
Compare code or text with line-by-line diff and unified output.
Open tool →Tailwind CSS Playground
Write HTML with Tailwind CSS classes and see live results.
Open tool →Code Screenshot
Create beautiful code snippet images with customizable themes.
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