Sitemap
A complete directory of all tools and pages available on Marty's Dev Tools.
general Tools
- ASCII & Entity Converter Convert text to ASCII codes, HTML entities, and Unicode points.
- Base64 Encoder Encode and decode Base64 strings, images, and files.
- CSV to JSON Convert CSV to JSON with auto type detection and download.
- Diff Checker Compare two texts side-by-side at line or character level.
- Hash Generator Generate MD5, SHA, and bcrypt hashes from text or files.
- JSON Formatter Format, validate, and minify JSON instantly.
- JSON Generator Generate mock JSON data (cities, people, movies) for testing.
- JSON to CSV Convert JSON arrays to downloadable CSV with auto-detected columns.
- Lorem Ipsum Generator Generate placeholder text as JSON, SQL, CSV, HTML, and more.
- Password Generator Generate secure, random passwords and cryptographic secrets.
- Regex Tester Test regex live with match highlighting and plain-English explanations.
- Text Cleaner Remove whitespace, strip HTML, normalize quotes, and deduplicate lines.
- Unit & Base Converter Convert between number bases (hex, bin, dec) and developer units.
- UUID Generator Generate and decode UUIDs, ULIDs, and Snowflake IDs.
- YAML / JSON / TOML Convert between YAML, JSON, and TOML in a three-pane editor.
front end Tools
- Colour Converter Convert colours between hex, RGB, HSL, and nearest Tailwind class.
- Flexbox / Grid Build Flexbox and Grid layouts visually and export CSS or Tailwind.
- Fluid Typography Calculate CSS clamp() for fluid type scales with live viewport preview.
- HTTP Status Codes Plain-English reference for every HTTP status code.
- Markdown Preview Live Markdown editor with side-by-side HTML preview and export.
- Slug Generator Convert text to kebab-case, snake_case, camelCase, and PascalCase.
back end Tools
- Chmod Calculator Build Unix file permissions with checkboxes and presets.
- Cron Builder Build or decode cron expressions with next-run previews.
- CSV to SQL Generate CREATE TABLE + INSERT SQL from CSV with type inference.
- CSV Validator Lint CSV for structural errors, duplicate headers, and column stats.
- cURL Converter Convert cURL commands to PHP, Python, JS, Go, and Ruby code.
- Docker Compose Validator Validate docker-compose.yml and visualise service dependencies.
- .env Diff Spot missing keys and value changes between two .env files.
- GDPR Data Masker Auto-detect and mask emails, phones, names, and SSNs in CSV data.
- Htaccess Generator Generate .htaccess with HTTPS, www, caching, CORS, and security toggles.
- Htpasswd Generator Generate .htpasswd entries with bcrypt, SHA1, or APR1-MD5 hashes.
- JSON to Code Generate Pydantic, TypeScript, Java, Go, and PHP models from JSON.
- JWT Decoder Decode JWT tokens and inspect claims client-side.
- Redirect Tester Trace redirect chains from .htaccess, Nginx, and Caddy rules.
- SQL Formatter Format and prettify SQL with dialect support and N+1 detection.
- Timestamp Converter Convert Unix timestamps to readable dates across timezones.
- WordPress Password Hash Generate and verify WordPress phpass MD5-iterated password hashes.