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Developer Suite
Everything engineers need, in one place.
JSON, regex, encoding, databases, cloud storage, and code transforms. The daily-driver toolkit for building software.
Data Format
5
JSON Formatter
Format, validate, and beautify JSON online. Convert to CSV or XML, view as tree structure.
JSON to YAML
Convert JSON to YAML format instantly. Preserves structure, handles nested objects and arrays.
YAML to JSON
Convert YAML to JSON format online. Supports indentation, multi-line strings, and comments.
CSV/JSON Converter
Convert between CSV and JSON formats. Custom delimiters, header detection, and bidirectional conversion.
Sample JSON Generator
Generate sample JSON data with various data types. Perfect for testing and prototyping.
Text & Code
2
Regex Tester
Test and debug regular expressions with real-time matching. Support for flags, replace, and split modes.
Diff Checker
Compare two texts side by side and find differences. Support for character, word, and line comparison.
Identifiers
1
UUID Generator
Generate UUIDs (v4) with customizable formats. Validate existing UUIDs, bulk generate unique identifiers.
Schedule
1
Cron Expression Generator
Build and parse cron expressions visually. See next run times and common schedule presets.
Cloud
2
Database Workbench
Connect to MySQL/Postgres, run queries, browse schema, and explore tables in your browser.
S3 File Editor
Browse and edit files in any S3 bucket directly from your browser. AWS credentials never leave your device.
Minify
3
CSS Minifier
Minify CSS by removing comments, whitespace, and shortening values. See compression statistics.
HTML Minifier
Minify HTML by removing comments, whitespace, and optional tags. View size reduction statistics.
JavaScript Minifier
Minify JavaScript by removing whitespace, comments, and shortening code. View compression stats.
Encode
3
Base64 Encoder/Decoder
Encode and decode Base64 strings online. Support for files, URL-safe encoding.
URL Encoder/Decoder
Encode and decode URLs and URI components. Parse query parameters and build URLs.
HTML Entity Converter
Encode and decode HTML entities. Reference table for named and numeric character entities.
Color
2
Color Picker
Flagship color tool with OKLCH/LAB/HSV/CMYK formats, 8 harmonies, interactive wheel, WCAG + APCA contrast, color blindness simulation, and design-system export.
Gradient Generator
Create beautiful CSS gradients with a visual editor. Linear, radial, and conic gradients with presets.
CSS
1
CSS Animation Generator
Create CSS animations visually with keyframes. Preview animations and export clean CSS code.
Web Assets
1
Favicon Generator
Generate a real multi-resolution favicon.ico, PNGs for every platform, an SVG with dark-mode support, and site.webmanifest from text, an image, or an emoji. 100% in your browser.
Web Standards
3
Schema.org Generator & Validator
Generate and validate Schema.org JSON-LD for Article, Product, Organization, BreadcrumbList, FAQ, LocalBusiness. Live preview, rich-result check.
XML Sitemap Generator
Generate XML sitemaps with URL priority, change frequency, and last modified dates.
Sitemap Analyzer
Paste any website URL — discover its sitemaps via robots.txt, extract every URL with lastmod and priority, and pull title/meta/og/twitter data per page for research.
Time Utilities
1
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back. Auto-detects seconds vs milliseconds, shows ISO 8601, RFC 2822, and 9 time zones.
Auth
1
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, claims, and check token expiration.
Crypto
3
AES Encryptor
Encrypt and decrypt text using AES-256-GCM. Secure key derivation with PBKDF2.
AES Decryptor
Decrypt AES-encrypted text with password, IV, and salt. Supports AES-256-GCM.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes. Compare hashes for file integrity verification.