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Top 10 — Tech

The 10 best tech generators

Generators for developers: UUIDs, hashes, IPs, data formats, JSON, YAML, regex and more. Built for QA, mocking and debugging workflows.

  1. 01 ⚙️
    .htaccess generator Generate Apache .htaccess rules: 301 redirects, force HTTPS and www, gzip compression, browser cache and security headers. Copy the ready block. Free.
  2. 02 🔗
    cURL to code converter Paste a cURL command and get the equivalent code in JavaScript (fetch), Python (requests) and Node. Great for going from terminal to your app. Runs in your browser.
  3. 03 🔣
    HTML entities encoder / decoder Encode and decode HTML entities (&, <, é, ©). Convert special characters, accents and symbols to entities and back. Instant and in your browser.
  4. 04 🧱
    HTML table generator Build an HTML table with live preview: set rows and columns or paste CSV data, and copy the ready-made code with or without styles. Runs in your browser.
  5. 05 🔡
    Hex to text converter Convert hex to text and text to hex, with UTF-8 support and optional separators. Great for debugging, forensics and CTFs. Instant.
  6. 06 🔄
    JSON to CSV converter Convert a JSON array to CSV ready for Excel or Google Sheets. Detects columns, flattens nested objects and escapes quotes (RFC 4180). Runs in your browser.
  7. 07 🔤
    Base32 encoder / decoder Encode and decode Base32 text (RFC 4648), the format used by TOTP/2FA keys. UTF-8 support and optional padding. Instant and 100% in your browser.
  8. 08 🪪
    UUID v5 generator Generate deterministic UUID v5 from a namespace and a name (SHA-1, RFC 4122). Same input, same UUID: great for reproducible IDs. Runs in your browser.
  9. 09 📄
    Markdown to plain text Strip Markdown formatting from text: no #, *, links or code blocks left. Great for pasting into emails, social posts or docs. Instant and free.
  10. 10 🔷
    JSON to TypeScript converter Paste JSON and get typed TypeScript interfaces instantly. Detects types, nested objects, arrays and optionals. Great for APIs. Runs in your browser.

Why this category matters

Every minute you waste building a mock or copying a UUID is one not spent on the real problem. These tools eliminate the micro-blockers of daily technical work.

How to pick the right generator

  • For unit tests, fix the seed when possible for reproducible results.
  • For API mocks, generate payloads that reflect edge cases, not just the happy path.
  • Validate that the generated format matches the real contract (API or schema).

When to use them

  • Integration test setup.
  • Debugging that needs synthetic data.
  • Quick ID generation for prototypes.
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