Shrink Videos Instantly

Professional-grade online video compression. Reduce file size by up to 80% without losing quality. No software to install, no sign-up required. Just upload, compress, and download.

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How It Works

Compress any video in three simple steps. No downloads, no installations. Everything runs in the cloud.

1

Upload Your Video

Drag and drop your video file or click to browse. We support MP4, MOV, AVI, MKV, and WebM formats up to 250MB.

2

Choose Your Settings

Select from Fast & Light for quick sharing, High Efficiency for balanced results, or Maximum Savings for archiving. Then pick your output format.

3

Download Your File

Our cloud engine compresses your video in seconds. Preview the result and download your optimized file instantly.

Why Choose BoltCompress?

Built for creators, professionals, and anyone who needs smaller video files without compromising quality.

Privacy First

Your files are encrypted during transfer and automatically deleted after 24 hours. We never access or share your video content.

Multi-Format Support

Convert between MP4, MOV, AVI, MKV, and WebM seamlessly. Choose the format that works best for your needs.

Smart Codecs

Powered by H.265/HEVC technology for up to 80% file size reduction while maintaining crystal-clear visual quality.

100% Browser-Based

No software to download or install. BoltCompress works directly in your web browser on any device, including desktop, tablet, and phone.

Lightning Fast

Cloud-powered processing compresses most videos in under 60 seconds. Track progress in real-time while your file is optimized.

Free to Use

Compress up to 5 videos per day completely free. No credit card, no hidden fees. Just professional video compression.

Supported Video Formats

Upload in any of these formats and convert to any other. BoltCompress handles all the popular video containers.

.mp4

MP4

Most universal format. Works on all devices and platforms.

.mov

MOV

Apple's native format. Ideal for macOS and iOS editing.

.avi

AVI

Classic Windows format. Wide legacy software support.

.mkv

MKV

Open-source container. Supports multiple audio/subtitle tracks.

.webm

WebM

Optimized for the web. Perfect for browsers and streaming.

Frequently Asked Questions

Everything you need to know about compressing videos with BoltCompress.

How does BoltCompress reduce video file size?
BoltCompress uses advanced video codecs like H.265 (HEVC) and intelligent bitrate optimization to reduce file size while preserving visual quality. Our cloud engine analyzes each frame and removes redundant data that the human eye cannot perceive, achieving up to 80% size reduction without noticeable quality loss.
Is BoltCompress free to use?
Yes! BoltCompress offers a free plan that allows up to 5 video compressions per day with a maximum file size of 250MB per video. No credit card required. Just upload your video and start compressing immediately.
What video formats does BoltCompress support?
BoltCompress supports the most popular video formats including MP4, MOV, AVI, MKV, and WebM. You can upload a video in any of these formats and convert it to any other supported format during compression. MP4 with H.265 encoding is recommended for the best balance of quality and file size.
Are my videos safe and private?
Absolutely. Your privacy is our top priority. All uploaded videos are processed on secure cloud servers with encryption in transit (HTTPS). Files are automatically and permanently deleted from our servers after 24 hours. We never share, view, or analyze the content of your videos.
How long does compression take?
Compression time depends on the file size and selected compression level. Most videos under 100MB are processed in under 60 seconds. Larger files or the Maximum Savings mode may take a couple of minutes. You can track real-time progress directly in the app while your video is being optimized.
What is the difference between the compression levels?
BoltCompress offers three compression levels: Fast & Light (quick optimization, ~25% size reduction, ideal for sharing via WhatsApp or email), High Efficiency (balanced H.265 encoding, ~50% reduction with excellent quality), and Maximum Savings (aggressive smart encoding for maximum reduction, best for archiving and long-term storage).

Ready to Compress Your Videos?

Join thousands of users who save storage space and bandwidth every day. No sign-up required. Start compressing for free right now.

Start Compressing