Video Size Reducer
Video Size Reducer compresses videos to target file sizes or quality settings and exports watermark-free MP4 files for chats, email, and attachments.
About Video Size Reducer
Video Size Reducer is a browser-based compressor that converts supported SDR MP4, MOV, WebM, and MKV files into MP4 videos with a chosen target size or quality setting.
Users can choose presets for Discord, Gmail, WhatsApp, or Outlook, or configure custom size, quality, and resolution settings. Resumable uploads and visible processing progress are included, and downloads contain no watermark.
Standard output uses H.264 video in an MP4 container, with AAC audio when the source includes sound. HDR and Dolby Vision are not supported, while H.265 is available only when enabled and cannot be selected for target-size compression.
Files are processed server-side. Source videos are scheduled for cleanup after the task ends, while results are normally available for 24 hours. Visitor and free-account uploads are limited to 1 GiB per source video, with higher limits listed for paid tiers.
Features
- Compresses SDR MP4, MOV, WebM, and MKV files into MP4 output
- Sets a target file size or uses quality-based compression
- Provides Discord, Gmail, WhatsApp, and Outlook size presets
- Supports resumable uploads and visible processing progress
- Exports H.264 MP4 without watermarks, with AAC audio when present
Use Cases
- Reduce video size for email attachments
- Optimize videos for social media sharing
- Compress clips for WhatsApp sharing
- Set custom size, quality, and resolution limits for attachments
- Compare source and compressed files before downloading
Verified facts
Checked by the StackLedge team.
FAQ
What video formats are supported?
The tool supports MP4, MOV, WebM, and MKV formats with common video/audio codecs.
Is there a limit on video file size?
Yes, the maximum file size for uploads is 1 GiB for free accounts, with higher limits available for paid plans.
Do I need to install any software?
No, Video Size Reducer is a web-based tool that requires no installation; it can be used directly in a browser.
Can I use H.265 encoding?
H.265 is available as an optional advanced output when enabled, but it cannot be selected for target-size compression
Does the service remove audio?
No audio-removal control is stated. AAC audio is included when the original video contains sound
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