BulkVid: 批量视频压缩

BulkVid is a fast, easy-to-use batch video compressor that helps you shrink multiple videos simultaneously — saving up to 90% of file size (depending on the source video) without watermarks or ads. Whether you need to free up space on your iPhone, send videos via email or messaging apps, or share to social media, BulkVid gets the job done efficiently. All processing happens locally — your videos never leave your phone.

KEY FEATURES:

▸ Batch Compression – Compress multiple videos in one go: up to 5 videos per batch on the free plan, unlimited on Pro with up to 4 concurrent tasks.
▸ Real-time Progress – Watch each video compress individually with live progress bars. Videos appear instantly in the list as metadata loads.
▸ Background Processing – Switch to other apps while compression continues in the background. Get notified when done.
▸ Resume & Retry – Interrupted or failed videos can be retried individually without reprocessing successful ones.
▸ Two Import Sources – Add videos from your Photo Library or Files app (iCloud Drive, third-party cloud storage, local files).
▸ 6 Scene Presets – One-tap presets for WeChat/Social, WhatsApp, Email, Instagram, Space Saving (smallest size, H.265) and HD Archive (highest quality, H.265).
▸ H.264 & H.265(HEVC) – Choose H.264 for maximum compatibility or H.265 for 50% better compression efficiency.
▸ Custom Resolution – Keep original resolution or set custom width/height (up to 1920×1080 on the free plan; 4K output on Pro).
▸ Advanced Controls – Adjust bitrate, frame rate, target file size, two-pass encoding, audio bitrate/sample rate, and audio removal.
▸ Trim & Rotate (Pro) – Trim every video in a batch to the same time range and rotate by 90°/180°/270° — done in one pass together with compression.
▸ Color Adjust (Pro) – Fine-tune brightness, contrast and saturation for every video in a batch — applied in one pass together with compression.
▸ Instant Preview & Comparison – See original vs. compressed size, compression ratio…