Stringer - Text Tools

Developer Text Toolkit

$3.99 · Designed for iPad. Not verified for macOS.

13 developer text tools in your pocket. Base64, JSON, JWT, hashing, UUID, regex & more — all instant, all on-device, all private. Stringer puts 13 essential text transformation tools in your pocket — the ones you actually use every day as a developer. ENCODE & DECODE • Base64 — Encode and decode Base64 strings instantly • URL Encode — Percent-encode and decode URLs and query params • JWT Decode — Paste a JWT, see header and payload immediately • Number Base — Convert between decimal, hex, binary, and octal • Timestamp — Unix timestamps to human dates and back • HTML Entities — Encode and decode HTML entities FORMAT • JSON — Pretty-print, minify, or validate JSON with clear error messages TRANSFORM • Case Transform — camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and more • Regex — Find matches or do regex replacements with live results • Lines — Sort, reverse sort, deduplicate, or remove empty lines GENERATE • Hash Generator — MD5, SHA-1, and SHA-256 hashes • UUID Generator — Generate 1, 5, 10, or 25 UUIDs at once ANALYZE • Text Stats — Characters, words, lines, paragraphs, and reading time WHY STRINGER? One-time purchase. No subscription. Every tool runs instantly — no spinners, no loading. 100% on-device. Your text never touches a server. Zero network requests. Zero analytics. Zero tracking. Share Extension — select text anywhere, transform it, copy the result. Favorites — star the tools you use most for instant access. History — every transform saved locally so you can go back anytime.

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The developer, Christopher Ciampoli, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Christopher Ciampoli
    Size
    706.6 KB
    Category
    Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Christopher Ciampoli
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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