Compress Video for Email Attachments

Check the attachment limit before exporting

For personal Gmail, Google documents a 25 MB total attachment limit. Google Workspace limits may be set by the administrator. Above the applicable limit, Gmail can use a Google Drive link instead of an ordinary attachment. Other email services and the recipient’s organisation can have different rules. Check the actual accounts involved.

Do not spend the whole allowance on the video if the message also needs documents or photos. Leave headroom and try the draft with the saved export attached. A file that meets your sender’s limit can still be unsuitable for a recipient who needs another format or cannot receive large messages.

Decide what must remain readable and audible

For a short spoken update, clear speech may matter more than fine background detail. For a software demonstration, small interface text may be essential. Watch the original and identify the information that cannot be lost. Choose a lower resolution only when that information remains understandable.

Corvexs Digital accepts browser-decodable MP4, MOV, WebM and M4V clips up to 100 MB, five minutes and 4K. It does not trim video. If your source exceeds those limits or contains unnecessary minutes, prepare a shorter source in an editor before using this tool. Keep the original separately.

Estimate a budget without treating it as a promise

An approximate byte budget is duration in seconds multiplied by total bitrate in bits per second, divided by eight. Sound and container overhead also use data. For an illustrative 90-second clip, a 2 megabit-per-second total bitrate gives about 22.5 MB before container overhead. This is arithmetic, not a measured export or a guarantee of meeting a 25 MB limit.

The current compressor offers quality presets and resolution choices, not an exact “compress video to 25 MB” control. Use the estimate to understand why a long clip needs a lower data rate, then judge the actual result. If the quality needed by the recipient cannot fit, shorten the source in an editor or choose a suitable sharing method.

Export a compatible sharing copy

Start with balanced settings and a resolution appropriate to the content. Keep sound for speech or instruction. Browser recording support determines the available output; MP4 export is conditional, with WebM available in other environments. If the recipient requires MP4, confirm that an actual MP4 is offered. Renaming WebM does not convert it.

The tool plays and records in real time, so allow roughly the clip’s duration. Keep the tab visible and the device awake. A locked phone or background tab can interrupt the job. Retry with a supported shorter source if necessary, rather than repeatedly launching a large job.

Verify the attachment or choose a deliberate alternative

Play the downloaded beginning, a busy motion section and the end. Listen for speech and check synchronization. Confirm duration, format and actual bytes, then attach that saved file rather than the original. If a lower preset is needed, export again from the master to avoid repeatedly degrading an already compressed copy.

The tool only offers a compressed video result when it is smaller. If it cannot achieve that, the source may already be efficient; an original download is not a successful size reduction. A private sharing link can be an alternative when attachments are unsuitable, but uploading to that service is a separate decision. Check access permissions and the recipient’s ability to open it. Local compression alone does not make a later cloud upload private.

Questions & answers

Your next step

Prepare a supported short original, export a sharing copy and verify the saved file in your email draft.