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Video Compressor

Compress video files online, reduce video size, and control file size, bitrate, and resolution with Summary AI’s powerful video compressor.

Online Video Compressor

Compress videos online while keeping great quality

Drag & drop your file here or browse to upload

Accepted formats: MP4, MOV, AVI, MKV, WebM · Max 500MB

Quality

+ Fast

Conversion 

Speed

100K +

Happy
users

95% +

Quality

Output

100 +

Languages
supported

How to compress video file online

Use Summary AI’s video compressor online to compress video files and reduce v
ideo size with full control over file size, quality, and compression settings.

1. Upload your video file

Upload from your device, Google Drive, or paste a link. Supports MP4, AVI, MKV, and more.

2. Choose compression 
settings

Set your target file size, compression percentage, or video quality. Adjust bitrate, resolution, and codec using advanced compression software settings.

3. Download your 
compressed video

Export your optimized file instantly with reduced file size and high-quality output.

Video compressor online with advanced compression software

Compress video files, reduce video size, and control file size precisely using Summary AI’s free video compressor with advanced compression settings.

automatic-subtitles

Target file size or percentage


Compress video file to a specific size or reduce video size by percentage of the original

Adjust video quality (CRF)

Control compression using quality-based settings to balance file size and clarity

Advanced codec compression

Choose between H.264 and H.265 codecs for better compression efficiency

Bitrate & resolution control

Reduce video size by adjusting bitrate or resizing resolution for optimized output

Video compressor for all formats

Compresses video files to MP4, AVI, MOV, or extract audio using a fast video converter online.

video-mp4

MP4

Most widely used video format for all devices

video-mov

MOV

Apple QuickTime format for high-quality video

AVI

Compatible video format with broad support

MKV

High-quality format supporting multiple tracks

video-webm

WebM

Web-optimized format for fast streaming

video-flv

WAV

Uncompressed audio for high-quality output

Supports multiple formats with flexible compression settings and optimized file size output.

Why use a video compressor online

A powerful video compressor online helps reduce video size, optimize file size, and improve performance across platforms.

Explore powerful AI tools for every workflow

Use Summary AI to convert files, compress audio, extract sound, transcribe content, and streamline your workflow with fast, reliable AI tools.

Transcribe video to text

Convert video files into accurate text transcripts.

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Get AI-powered summaries of YouTube videos instantly.

Transcribe audio to text

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into written text.

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Convert spoken words into written text in real-time.

Podcast summarizer

Get quick summaries and key takeaways from podcasts.

Audio summarizer

Generate concise summaries from any audio content.

Subtitles generator

Automatically generate accurate subtitles for your videos.

Online video compressor

Compress video files while maintaining quality.

Online audio compressor

Reduce audio file size without
losing quality.

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Frequently Asked Questions

Common questions about using a video compressor online, reducing video size, and optimizing video quality.

Summary AI supports large video files, so you can easily use our online video converter for high-quality videos. Limits may vary depending on your plan.

Most files are converted in seconds. Larger videos may take a bit longer depending on file size and format.

Yes. Files uploaded to Summary AI are processed securely and automatically deleted after conversion to protect your privacy.

No. Summary AI’s video converter online does not add watermarks to your converted videos or audio files.

Yes. Summary AI works on any device, so you can convert video to MP4 or extract audio directly from your browser.

Convert video files 
in seconds

Use Summary AI’s online video converter to convert video formats, extract audio, and download high-quality MP4 or MP3 files instantly.

No credit card required · Instant results

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Start for free

To download the mobile app, point your smartphone camera at the QR code