Base64 Encoder & Decoder

Hex, URL & Base32 Converter

Only for iPhone

Free · In-App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Encode and decode Base64 and URL strings both ways. Encode and decode Base64 in a single tap — paste text or data and watch the result flip both ways in real time, with a live byte count. A fast, offline developer toolkit for everyone who works with the web, APIs, and tokens. Base64 encode and decode is always free. Unlock the full toolkit for everything else. WHAT YOU GET • Base64 encode and decode — text and data, both directions, instantly • Full codec set — URL-encoding, HTML entities, Hex, Base32 and Base64URL • JWT decoder — split any token, pretty-print the JSON, read claims and expiry • Image to Base64 — turn a photo into a data-URI, or paste one back to preview it • Saved history — every conversion kept private on your device HOW IT WORKS 1. Pick a tool — Base64, Codecs, Image or JWT 2. Paste or type your input 3. Copy the result — done PRIVATE BY DESIGN Everything runs on your device. No accounts, no servers, no tracking — your payloads never leave your iPhone, online or off. FULL ACCESS Base64 encode and decode stays free. Full access to the codec toolkit, JWT decoder and image converter is available with weekly, yearly or lifetime options. — LEGAL — Terms of Use: https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Support: tphuc.work@gmail.com

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Initial release.

The developer, Phuc Pham, 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 based, for example, on the features you use or your age. Learn More

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

    Provider
    • Phuc Pham
    Size
    • 2.3 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 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+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Phuc Pham