BitByteConverter vs SlimByte

An App for iPhones, iPads to convert unit of data starting from bit to ZettaByte (Decimal) or bit to ZebiByte (IEC Binary) and vice versa.

Your videos eat your phone storage. SlimByte gives it back. The Apple way — simple controls, the right options, nothing in the way. Pick videos, choose target, hit Convert. Typical iPhone recordings drop 70–90% in size with the quality you see kept intact. SMART COMPRESSION • Reduce 4K to 1080p, 720p, or any preset — or let Auto-Optimize pick per video • HEVC, H.264, MP4, MOV — work with what your library already uses • Custom bitrate control for finer-grained quality vs. size • Adjust frame rate independently (60fps → 30fps saves real space) • HDR → SDR conversion for sharing-friendly compatibility • Batch convert dozens of videos in one queue BUILT FOR iOS • Native iOS 26 design — Liquid Glass throughout • Background conversion that survives device lock — start a batch, lock your phone, come back to finished files • Live Activity on the Lock Screen tracks per-video progress • Saved files keep original creation date, modification date, and location metadata — they sit naturally next to originals in your Photos library • Works on iPhone and iPad GALLERY + LIBRARY TOOLS • Browse and filter your videos by resolution, HDR/SDR, or date • Preview before you convert • Detailed info per video — resolution, duration, file size, codec PRIVATE BY DESIGN • Runs entirely on your phone — nothing uploaded, no servers, no cloud • No analytics, no tracking, no ads, no accounts • No watermarks on free or paid output — ever • Apple's privacy nutrition label confirms minimal data collection FREE TIER • 10 conversions every month — refreshed automatically • Every feature except Auto-Optimize included • Full interface, batch processing, all formats, all quality controls • No ads, no watermarks, no upsell popups during conversion PREMIUM • Unlimited conversions • Auto-Optimize — SlimByte picks the right settings per video so you don't have to • 1 week — $1.99 • 1 month — $2.99 • 1 year — $34.99 (works out to $2.92/month) SUPPORT Questions? Tap Settings → Help & Support. We read every message. Terms of Use: https://slimbyte.app/terms Privacy Policy: https://slimbyte.app/privacy