Developer
34 tools · JSON formatters, encoders, converters, and other essential developer utilities.
JSON Formatter & Validator
Clean, prettify, and validate your JSON strings with ease.
Codex Auth Converter
Convert 9router Codex connections into downloadable auth JSON files.
Base64 Encoder & Decoder
Encode or decode text and images to Base64 format instantly.
QR Code Generator
Generate free QR codes for URLs, text, and more. Customize colors and size.
Unix Epoch Converter
Convert Unix timestamps to human-readable dates and vice versa.
Byte Converter
Convert between data units: Bytes, KB, MB, GB, TB, PB and more.
UUID Generator
Generate random (v4) or time-ordered (v7) UUIDs instantly.
Color Palette Generator
Generate beautiful color palettes with harmony modes.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats.
Gradient Generator
Create beautiful CSS gradients with live preview.
2FA / TOTP Code Generator
Generate TOTP codes for two-factor authentication. Compatible with Google Authenticator, Authy and more.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text.
Number Base Converter
Convert numbers between decimal, binary, octal, and hexadecimal.
URL Encoder/Decoder
Encode or decode URL strings for safe transmission.
HTML/XML Encoder
Encode or decode HTML and XML entities for safe web display.
Case Converter
Transform text case: uppercase, lowercase, title case, and more.
Gzip Compress/Decompress
Compress or decompress text using Gzip compression.
JSON Escape/Unescape
Escape or unescape special characters in JSON strings.
Cron Expression Parser
Parse and explain cron expressions with next run times.
Regex Tester
Test regular expressions with real-time matching and highlighting.
Text Diff Comparison
Compare two texts and see the differences highlighted.
Markdown Preview
Write and preview Markdown in real-time with HTML export.
JWT Decoder
Decode and inspect JSON Web Tokens (header, payload, signature).
Chmod Calculator
Convert Linux file permissions between Octal and Symbolic formats.
CSS/JS Minifier
Compress CSS and JavaScript code to reduce file size.
IP Subnet Calculator
Calculate network, broadcast, host ranges, and more from IP/CIDR.
Composerize
Convert Docker Run commands to Docker Compose YAML format.
Docker Compose Builder
Build Docker Compose and Stack files visually with validation and download.
JSON Diff
Compare two JSON objects semantically and find differences.
CSV to JSON Converter
Convert CSV data to JSON format with customizable parsing options.
JSON to CSV Converter
Convert JSON arrays and objects to CSV, TSV, or semicolon-separated format.
Nginx Config Generator
Visual builder for Nginx configurations — reverse proxy, static site, PHP-FPM, and load balancer.
.env Validator
Validate .env file format — detect duplicates, empty values, invalid keys, and mismatched quotes.
Dockerfile Generator
Generate production-ready Dockerfiles with best practices — multi-stage builds, non-root user, healthchecks.