Browser Video Editing: Free Tools That Work Offline
Edit videos directly in your browser without installing software or uploading files to servers. All tools below process video locally using FFmpeg WebAssembly, keeping your files private.
Format Converters
Convert videos between formats for compatibility with different devices and platforms.
Video to MP4
Convert to web-optimized MP4 with H.264. Universal browser compatibility. Choose resolution and frame rate.
Video to WebM
Convert to WebM with VP9 codec. Smaller files, royalty-free format. Great for Chrome and Firefox.
Video to GIF
Create animated GIFs from video clips. Adjust frame rate and size. Perfect for social sharing.
Video to MP3
Extract audio track as MP3. Choose bitrate from 128k to 320k for quality vs. file size.
Video Compressor
Reduce file size with three compression levels. Balance quality against storage space.
Basic Editing
Essential video editing operations: cut, crop, rotate, merge, and transform.
Trim / Cut
Cut video to specific start and end times. Remove unwanted sections.
Crop
Crop to custom dimensions or aspect ratio presets. Visual selection area.
Rotate & Flip
Rotate 90/180/270 degrees. Flip horizontal or vertical mirror.
Merge Videos
Combine multiple videos into one continuous file. Set order by dragging.
Scale / Resize
Change resolution to specific dimensions. Maintain or change aspect ratio.
Aspect Ratio
Change 16:9 to 4:3, 1:1, etc. Add letterbox or pillarbox as needed.
Reverse
Play video backwards. Option to keep, reverse, or mute audio.
Loop
Repeat video 2x, 3x, or more times. Create seamless loops.
Speed Change
Speed up (2x, 4x) or slow down (0.5x, 0.25x). Audio pitch adjusts automatically.
Audio Tools
Modify, replace, or remove audio tracks from your videos.
Remove Audio
Strip audio track completely. Create silent video for adding new audio later.
Replace Audio
Swap existing audio with different audio file. Keep video, change sound.
Audio Sync
Adjust audio timing. Fix lip sync issues by shifting audio forward or back.
Burn Subtitles
Permanently embed SRT/VTT subtitles into video. They become part of the image.
Effects & Filters
Apply visual effects, color adjustments, and artistic filters to your videos.
Video Filters
Grayscale, sepia, vintage, blur, sharpen, edge detection, and more. Stack multiple filters.
Color Correction
Adjust brightness, contrast, saturation. Fix dark or washed-out footage.
Fade In/Out
Add smooth fade transitions at start or end. Set duration in seconds.
Watermark
Add logo or text overlay. Choose position, size, and opacity.
Deinterlace
Remove interlacing artifacts from old TV or DVD footage. Creates clean progressive video.
Meme Generator
Add top/bottom text overlays in classic meme style. Custom fonts and colors.
Composition Tools
Combine multiple videos in creative layouts.
Side by Side
Place two videos next to each other horizontally or stacked vertically. Great for comparisons.
Picture in Picture
Overlay smaller video on top of larger one. Choose corner position and size.
Social Media Formats
Resize and optimize videos for specific social media platforms.
TikTok
1080×1920 vertical (9:16). Crop or pad to fit TikTok's format requirements.
Instagram Reels
Optimized for Reels and Stories. Vertical format with proper encoding.
YouTube Shorts
Create vertical videos for YouTube Shorts. Under 60 seconds, 9:16 aspect.
Frames & Images
Extract frames from video or create video from images.
Extract All Frames
Export every frame as PNG or JPG. Downloads as ZIP archive.
Frames to Video
Create video from image sequence. Set frame rate and output format.
Thumbnail Extractor
Pick any frame to use as thumbnail or poster image.
Analysis & Metadata
Inspect video properties and edit metadata.
Video Info Analyzer
View codec, resolution, frame rate, bitrate, duration, and container format.
Metadata Editor
Edit title, artist, album, year, copyright, and other metadata fields.
How Browser Video Editing Works
All these tools use FFmpeg WebAssembly, which is the same powerful FFmpeg video processor used by professionals, compiled to run in your browser. Key benefits:
- Privacy: Videos never leave your device
- No installation: Works directly in Chrome, Firefox, Edge, Safari
- Offline capable: Once loaded, works without internet
- Cross-platform: Same tools on Windows, Mac, Linux, mobile
Related: Web Video Formats Guide — Learn why videos don't play in browsers and how to fix compatibility issues.