Base64 / Hash Toolbox

Base64 / Hash Toolbox is a fast, no-nonsense developer utility for everyday encoding and hashing tasks. All conversions run 100% on your device — your text and files are processed locally and never uploaded. ▍BASE64 • Encode and decode UTF-8 text in real time as you type • Standard and URL-safe alphabets • Whitespace-tolerant decoding (paste freely) • Smart auto-detect: paste a Base64-looking string and the app suggests "Decode?" with one tap ▍HASH • MD5, SHA-1, SHA-256, SHA-512 • Lowercase or uppercase hex output • Instant digests as you type ▍FILES • Pick any file to Base64-encode or hash it • Large files are streamed efficiently in the background — no freezing, no memory blow-ups ▍HISTORY, FAVORITES & STATS • Every conversion you save is kept locally (most recent 50) • Tap an entry to instantly reuse its settings and input • Star the ones you use often and filter to favorites • See running per-tool counts at a glance • "Clear all" keeps your favorites safe ▍POLISHED EXPERIENCE • Clean Material 3 interface with dynamic color (Android 12+) • Light and dark themes • English and Korean • One-tap copy and share for any result • Your text and options are restored even after the app is closed ▍PRIVACY & ADS • Your conversion data stays on your device — nothing is sent to a server • The app is ad-supported: it shows a banner and an occasional app-open ad, which require a network connection • Prefer an ad-free experience? A one-time "Remove ads" in-app purchase removes all ads for good Perfect for developers, QA engineers, students, and anyone who regularly works with Base64 strings or cryptographic checksums. Lightweight, instant, and easy to use.