Is the Video Size Calc free to use?

Yes, this utility is completely free and requires no account registration, subscriptions, or API keys.

Can I use this utility offline?

Once the page is fully loaded in your browser, the core logic functions offline as it does not rely on external backend servers for processing.

📼

Estimate video file sizes based on bitrate & duration.

✓ Free ✓ No Sign-up ⚡ Instant Media Tools

Estimate video file sizes based on video & audio bitrate.

Duration

Video Bitrate (Mbps)

Audio Bitrate (kbps)

Estimated File Size

0.00 GB

0 MB