FrameSlim: Compress Videos

Video Compressor & Converter is a privacy-first, professional toolbox for iPhone and iPad. Compress, convert, edit, and transcribe your media without cloud uploads, user accounts, or watermarks. [ 1. SIZE & COMPRESSION ] • Smart Extreme Compression: Automatically balances quality and size, saving 60%+ storage with visually lossless results. • Target Size Limit: Shrink files strictly under 25MB for seamless sharing via email, Messages, and social apps. • Pro Custom Controls: Customize resolution (4K, 2K, 1080P, 720P), frame rate (24, 30, 60fps), and bitrate. • 3 Rate Control Modes: CRF (Constant Quality), CBR (Constant Bitrate), and VBR (Variable 2-Pass Mode). • Color & HDR Conversion: Keep 10-bit Dolby/HLG HDR or convert intelligently to Rec.709 SDR to prevent dull colors. [ 2. EDIT & TRIM ] • Millisecond Keyframe Trim: Drag with precision to eliminate unwanted footage at the start and end. • Equal Duration Split: Batch slice videos into equal parts by seconds or segment count. • Seamless Multi-Video Merge: Combine multiple clips into one continuous high-definition video. [ 3. CROP, CANVAS & GEOMETRY ] • Social Aspect Ratios: Adaptive cropping for 16:9, 9:16, 1:1, and 4:3 social formats. • Geometry Correction: 90° clockwise rotation, horizontal mirror, and vertical flip. • Video Enhancement: Brightness, contrast fine-tuning, and sharpening noise reduction. [ 4. SPEED ADJUSTMENT ] • 0.25x slow motion to 4.0x hyper-speed forward, with one-tap 1.0x reset. • Creative speed presets: Smooth deceleration, progressive acceleration, bullet time, hero moment, and montage. [ 5. AUDIO & SUBTITLES ] • Master Audio Extraction: One-tap lossless export to MP3 or M4A (64k to 320kbps). • Replace Audio Track: Strip noisy original sound and mix in your custom background music. • Complete Muting: Completely strip all audio tracks to safeguard on-site privacy. • Offline AI Subtitles: Generate SRT subtitles on-device using Apple's Neural Engine with zero data uploaded. [ 6. EXPORT & CREATION ] • High-Quality GIF Maker: Turn highlights into lightweight animated GIFs. • 4K Frame Extraction: Find the perfect frame and export pristine 4K original photos to your Photos app. • Hardware Multi-Format Conversion: MP4, MOV, ProRes, and WebM high-speed transcoding. [ PRIVACY FIRST ] • 100% On-Device Processing: All encoding, decoding, and speech recognition run locally. • No account required, zero tracking, and no ads. • Complete control over saving to Photos, Files, or sharing via AirDrop. (Note: Available codecs and hardware encoding speeds depend on your device chipset and iOS version.)