Radix64: Base64 Converter is an utilities app developed by 永 张.
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App Information
Radix64: Base64 Converter is freely available from the App Store. The app size is 876.00 kB. The latest version available is 1.1.0. The last update was on October 2, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since July 2026.
Description by 永 张(from the App Store)
Radix64 turns text, photos, and files into Base64 — and back — entirely on your iPhone, with no upload and no account. It's built for developers who need a data URI for CSS or HTML, anyone decoding a token, or someone who just needs a quick, clean Base64 encode or decode without hunting through a cluttered web tool.
Type or paste on either side and watch the other update instantly — encoding and decoding share one screen, so there's no mode to pick first. Import a photo or file to get its Base64 (or a ready-to-use data: URI), or paste Base64 back in to reconstruct and share the original file.
— WHAT MAKES RADIX64 DIFFERENT — • One screen, both directions Type or paste on either side and the other updates instantly — there's no mode to pick first. • Standard and URL-safe Switch variants and choose whether to keep padding, so the output matches what you're pasting it into. • Data URI in one tap Wrap the result as a data: URI that's ready for CSS, HTML, and email. • Photos and files, not just text Import a photo or file to get its Base64, or paste Base64 back in to reconstruct and share the original file. • Recent history Your recent conversions stay within reach. • Nothing leaves your iPhone Every conversion runs on device, with no upload, no account, and no ads.
— WHO IS RADIX64 FOR? — • Developers who need a data URI for CSS or HTML • Anyone decoding a token and checking what's inside • People who want a quick encode or decode without a cluttered web tool • Anyone who would rather not paste sensitive data into a website
— PRICING — Included: live two-way text and Base64 conversion, standard and URL-safe variants with or without padding, one-tap Data URI wrapping, encoding photos and files to Base64 and decoding them back into a file, and recent conversion history. Radix64 Pro is a one-time in-app purchase — no subscription — and adds batch file and photo conversion plus unlimited, searchable history.
— FEEDBACK — Made by a small indie team. Email obeliskclubclub@gmail.com with feedback, bug reports, or feature requests.
Learn more: obelisk.club/base64converter
Terms of Use (EULA): https://obelisk.club/base64converter/terms
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.