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Priya SharmaJanuary 20266 min read
Video Tools6 min read

Compress Video Online — Reduce Video File Size

Compress video files online free. Reduce MP4, MOV, AVI file size by up to 90% without losing quality.

1,800 words

Access and pricing

Supported tools include 5 free on-device uses per day, shared across eligible tools. On compatible devices, guest access needs no sign-in. Signed-in users also get 5 daily eligible on-device uses. AI and cloud processing use credits separately.

New accounts can claim 20 welcome credits once. Eligible offers in MiOffice can earn up to 80 reward credits; offer conditions apply.

Starter costs $6.99/month and includes 250 credits at each paid renewal plus unlimited eligible local processing. Unused credits roll over. The $2.99 Day Pass covers 24 hours of eligible local processing; AI and cloud credits are separate.

Compare tools using a representative file and inspect the export. Check supported formats, device compatibility, processing location and the displayed cost before starting. This article is published by MiOffice; consider its recommendations with that affiliation in mind.

Pricing

Access and pricing updated October 30, 2026. This editorial update does not indicate a new test run.

How Much Can You Reduce Video File Size?

SourceOriginalCompressedReduction
iPhone 4K (1 min)350 MB35-70 MB80-90%
Android 1080p (1 min)130 MB15-30 MB77-88%
Screen recording (5 min)500 MB50-100 MB80-90%
DSLR footage (1 min)800 MB80-160 MB80-90%

How to Compress Video Online

  1. 1

    Open the Video Compressor

    Go to our free video compressor.

  2. 2

    Upload Your Video

    Drag and drop your video file. MP4, MOV, AVI, WebM, MKV all supported.

  3. 3

    Choose Compression Level

    Select quality: High (smaller reduction, best quality), Medium (balanced), or Low (maximum compression).

  4. 4

    Download Compressed Video

    Get your smaller video file ready to share, upload, or email.

Compress Video for Different Platforms

PlatformMax File SizeRecommended Resolution
Email (Gmail)25 MB720p
WhatsApp16 MB (iOS) / 100 MB (Android)720p
Discord25 MB (free) / 500 MB (Nitro)1080p
Twitter/X512 MB1080p
Instagram650 MB1080p

Compress Your File Now

MiOffice AI is an AI-powered digital workspace studio. Create, edit, convert, compress, collaborate, and share — video, audio, images, documents, scanning, notes, screen sharing, and file transfer. the full MiOffice catalog, all in one place.

500MB → 50MB
90% reduction in ~15s
Compress NowLocal and cloud processing have different privacy terms

Frequently Asked Questions

Will compression ruin my video quality?
At Medium/High settings, the quality difference is barely noticeable. Modern codecs like H.264 are incredibly efficient at maintaining visual quality while reducing file size.
How long does compression take?
It depends on file size and your device's processing power. A 1-minute 1080p video typically compresses in 30-60 seconds on modern devices.
Can I compress video on my phone?
Yes — our compressor works in mobile browsers. Open it in Safari or Chrome, select your video, and download the compressed version.

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Priya Sharma

Technical Writer

Writes step-by-step guides and tutorials that make complex file processing simple.

View all posts by Priya Sharma
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