GIF Frame Master

Advanced GIF editor: frame management, crop, resize, multi-GIF merge, and Gifsicle-powered optimization.

GIF Frame Master is an advanced, browser-based GIF editor designed for full frame-by-frame management and optimization. Key Features:Frame Management: Grid view, multi-selection, drag & drop reordering, and undo support. Smart Tools: Configurable duplicate detection, batch operations (remove every N frames, invert selection), and animated playback with real delays. Visual Editing: Precise cropping with draggable handles and resizing with aspect-ratio lock. Multi-GIF Merge: Append a second GIF sequence with position, zoom, and background controls. Gifsicle Optimization: Powered by WebAssembly to compress GIFs (dirty rectangle, per-frame palette tuning, lossy compression, and custom presets from lossless to extreme). Comparison & Export: Inspect a detailed comparison table (size, dimensions, frames, duration) and save directly using native file pickers. Runs entirely client-side with no servers or data tracking.