Video Compressor
Reduce your video file size by up to 80% while keeping great quality. Supports MP4, MOV, AVI, and WebM.
Drop your video here or click to browse
Max 100MB
Why Video Compression Matters for Content Creators
Video files are large. A single minute of 4K footage at 30fps can be 350-400MB depending on the codec and bitrate. Even 1080p video exported from most editing software ranges from 100-200MB per minute. For creators uploading to multiple platforms, sharing via email, or managing storage, these file sizes add up fast.
Social media platforms re-compress every video you upload. When you upload a 500MB file to Instagram or TikTok, the platform compresses it down to a fraction of that size using its own encoder. If your original file is already bloated, this double compression can noticeably degrade quality. Pre-compressing your video to a reasonable size gives platforms less work to do, often resulting in better final quality on the platform.
Beyond quality, smaller files upload faster. If you are on a slow connection or uploading multiple videos in a batch, the time savings are significant. A 200MB file compressed to 60MB uploads 3x faster.
How Video Compression Works
Video compression reduces file size by removing redundant information. Modern video codecs like H.264 and H.265 (HEVC) use two main techniques: spatial compression and temporal compression.
Spatial compression
Each frame is analyzed for areas of similar color and detail. Large areas of sky, walls, or backgrounds can be represented more efficiently because they contain repetitive data. The encoder groups similar pixels together and stores them as patterns rather than individual values.
Temporal compression
Most frames in a video are very similar to the frame before. Instead of storing every frame in full, the encoder stores only the differences between frames. If a person is talking against a static background, only the moving mouth and face change between frames.
Bitrate control
Bitrate is the amount of data used per second of video. Higher bitrate means more data and better quality, but larger files. Our compression presets adjust the bitrate to different targets. Low keeps a high bitrate for minimal quality loss. High reduces bitrate significantly for maximum file size savings.
Resolution and framerate
Resolution (1080p, 720p, 4K) and framerate (24fps, 30fps, 60fps) are the biggest factors in file size. A 4K video is 4x the data of 1080p. A 60fps video is 2x the data of 30fps. If your target platform caps at 1080p, there is no benefit to uploading 4K.
Which Compression Level Should You Use?
| Level | Size Reduction | Quality | Best For |
|---|---|---|---|
| Low | ~30% | Near-original | Archiving, YouTube long-form, professional work |
| Medium | ~60% | Very good | Social media (TikTok, Instagram, YouTube Shorts) |
| High | ~80% | Good | Email attachments, messaging apps, storage savings |
For most social media uploads, medium compression is the sweet spot. Platforms like TikTok, Instagram, and YouTube will re-compress your video anyway, so uploading at medium gives you 60% smaller files without any visible quality difference after the platform processes it.
Video File Size Limits by Platform
| Platform | Max File Size | Max Length | Recommended Resolution |
|---|---|---|---|
| TikTok | 287MB (mobile), 10GB (web) | 10 minutes | 1080 x 1920 (9:16) |
| Instagram Reels | 4GB | 15 minutes | 1080 x 1920 (9:16) |
| YouTube Shorts | 256GB (verified) | 3 minutes | 1080 x 1920 (9:16) |
| YouTube (Long-form) | 256GB (verified) | 12 hours | 1920 x 1080 or 3840 x 2160 |
| X (Twitter) | 512MB | 2 min 20 sec | 1920 x 1200 |
| Email (Gmail) | 25MB attachment | N/A | 720p for size efficiency |
These limits change periodically as platforms update their policies. Smaller, well-compressed files upload faster and often result in better playback quality because the platform's encoder has less work to do.
Tips for Better Video Compression Results
Export at the right resolution
If your final destination is TikTok or Instagram Reels, export from your editor at 1080 x 1920. There is no point exporting at 4K and then compressing down. Exporting at the correct resolution from the start gives you a smaller file with better quality.
Match your framerate to the content
30fps is standard for most social media content. 24fps gives a more cinematic look and produces smaller files. Only use 60fps for fast-action content like sports or gaming where the extra smoothness matters.
Keep backgrounds simple
Video compression works best when large parts of the frame stay consistent between frames. A clean, static background compresses dramatically better than a busy, moving environment.
Avoid compressing already-compressed video
Each round of compression introduces some quality loss. If possible, compress from your original export file rather than re-compressing a file that was already compressed. This is known as “generation loss.”
Frequently Asked Questions
What video formats are supported?
We accept MP4, MOV, AVI, and WebM uploads. The compressed output is always MP4 (H.264) for maximum compatibility across all devices and platforms. MP4 with H.264 is the most universally supported video format and plays natively on every modern browser, phone, and operating system.
Will compression reduce my video quality?
All lossy compression involves some quality trade-off. At low compression (30% reduction), the quality difference is virtually imperceptible to the human eye. At medium compression (60% reduction), quality remains excellent. High compression (80% reduction) may show subtle artifacts in fast-moving or highly detailed scenes, but is perfectly fine for email sharing and messaging.
Is my video data secure?
Yes. Your video is uploaded over an encrypted HTTPS connection, processed on our servers, and automatically deleted after 30 minutes. We do not store, watch, share, or analyze your video content. The download link expires after 30 minutes, after which the file is permanently removed.
Why is my compressed file still large?
Some videos compress less effectively than others. Fast-action footage, highly detailed scenes, and content with lots of camera movement contain more unique data per frame, which limits how much the encoder can compress. Try the high compression preset or consider reducing the video resolution in your editing software before uploading.
Can I compress videos larger than 100MB?
Our tool supports files up to 100MB. For larger files, consider using desktop software like HandBrake (free, open-source) or FFmpeg. Alternatively, export from your video editor at a lower bitrate to reduce the file size before uploading.
How long does compression take?
Compression usually takes 30 seconds to 2 minutes depending on file size and length. A short 30-second clip processes in under a minute. Longer 5-minute videos may take a couple of minutes. The download link is ready as soon as processing finishes.