Reduce MP4 Video Size for Email

Compress large MP4 files to fit within the 25MB email attachment limit. Free, instant, and fully local processing.

Drag & drop file or Browse Files

Reduce MP4 Video Size for Email

Compression Settings

Choose compression target. Lower quality means smaller file size.

Quality: 60%
Extreme SizeBalancedHigh Quality
Gmail / Outlook
25
500MB
Before
18MB
After ✓
Email-Ready Compression

Reduce MP4 Video Size for Email

Compress large MP4 files to fit within the 25MB email attachment limit. Free, instant, and fully local processing.

Under 25MB
No Upload Needed
Gmail & Outlook Ready

How to Compress for Email

Stop Getting "File Too Large" Errors

Every email provider imposes strict size limits. Compress your video privately in your browser before sending — no cloud storage required.

Gmail 25MB attachment limit
Outlook 20MB attachment limit
Yahoo Mail 25MB limit

Your Video Never Leaves Your Device

Unlike cloud-based compressors, we process everything inside your browser using WebAssembly. Your private family videos, business pitches, and recordings stay 100% on your computer.

WebAssembly Powered

Compress a 500MB Video in Under a Minute

Our engine uses native WebAssembly FFmpeg. No cloud round-trips. Hardware-level speed, right on your CPU.

Zero Upload Latency
GPU-Accelerated Encoding
No App Installation

Frequently Asked Questions

Gmail limits attachments to 25MB. If your video is larger, you must compress it using our tool first.
Yes, for casual sharing via email, reducing the bitrate significantly still provides a highly acceptable viewing experience.
Absolutely. Our WebAssembly engine runs locally on both iOS and Android browsers, perfect for mobile email.