🎬 100% In-Browser Video Studio

Compress Video Online Free

Reduce MP4, WebM, MOV, and MKV video sizes dramatically for Discord, email, web, and messaging. 100% private in-browser compression with zero server uploads.

Drop your video file here, or browse

Supports MP4, WebM, MOV, MKV, AVI • Client-side processing • Zero server uploads

100% Private • Video never leaves your computer
Don't have a video on hand?
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Video Optimization Guide

How In-Browser Video Compression Works

Modern browsers support high-efficiency multimedia rendering directly on your GPU. Delimiters Video Compressor uses the W3C MediaRecorder API to re-encode and downsample heavy video files inside your browser sandbox with zero cloud exposure.

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100% Client-Side Privacy

Confidential corporate meetings, private screen recordings, and family moments are processed strictly in local RAM. Zero bytes are ever transmitted to a cloud server.

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No Upload Wait Times

Uploading a 200MB video to remote cloud compressors takes minutes on slow Wi-Fi. In-browser processing reads the file instantly from disk with zero network latency.

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Discord & Email Ready

Easily reduce video clips to fit under Discord's 10MB/25MB upload limits, WhatsApp attachments, Slack channels, and standard 25MB corporate email ceilings.

Platform Video File Size & Attachment Ceilings

Platform / Service Max Free File Size Recommended Resolution Best Delimiters Preset
Discord Free Tier 10 MB (or 25 MB on some servers) 720p or 480p Small File Size
WhatsApp Attachments 16 MB (Direct video message) 720p HD Small File Size
Gmail / Outlook Email 25 MB Ceiling 720p HD Balanced Quality
Slack Free Workspaces 1 GB storage quota per team 720p or 1080p Balanced Quality
X (Twitter) Feed 512 MB 1080p Full HD High Quality

Frequently Asked Questions

What is the difference between video resolution and bitrate?

Resolution refers to the number of horizontal and vertical pixels (e.g., 1920×1080 for 1080p). Bitrate is the amount of data processed per second (e.g., 2000 kbps). Lowering bitrate reduces file size substantially while keeping the original frame dimensions intact.

Why does removing the audio track reduce size even more?

Stereo audio streams (AAC or Opus) typically consume 128 kbps to 256 kbps. For UI screencasts, tutorial walkthroughs, or silent background clips, toggling "Mute Audio" immediately trims 10% to 20% off the total file weight.

Is this tool completely free?

Yes, 100% free with no watermarks, no sign-up requirements, and no daily limits. Because processing runs in your own browser using Web standards, there are no server costs passed to you.

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