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LightBox

Free online converter

Compress Video for Discord — Get It Under 10 MB

Drop a video or image
Choose file

MP4, MOV, WebM, GIF, JPG, PNG, WebP, HEIC, ZIP

Up to 100 MB free · 1 GB with Pro

HEIC, animated WebP input, PNG sequences and frame sequence export require Pro.

Discord turned your clip away because the file is over its upload limit. Re-exporting from an editor at lower and lower settings until something fits is a slow guessing game. Drop the video here instead: Discord is already chosen, so you press Convert and get back an MP4 under 10 MB, ready to drag into the chat.

To make it fit, LightBox works out a bitrate from the 10 MB budget and the length of your clip, then lowers the bitrate and, where it helps, the resolution — it never scales a video up. If the first file still comes out over the limit, it tries again with less, and the progress screen shows each attempt. The result is H.264 video with AAC sound, the MP4 combination nearly every device and app plays. A long clip has less room for each second, so it comes out softer; one that is too long to fit at a watchable quality stops with a message asking you to trim it, and the Trim control is right there.

It's free, with no signup and no watermark. Free uploads go up to 100 MB with about 2 conversions a day, and your files are processed on our server and deleted automatically about an hour later.

Why convert with LightBox

Under 10 MB, without the guesswork

You don't choose a bitrate or a resolution. LightBox works the file out from the 10 MB budget and checks the result; if it lands over, it tries again smaller, so the MP4 you download is one Discord takes.

Short clips stay sharp

The bitrate is capped for each resolution, so a clip of a few seconds isn't inflated to fill the whole 10 MB — it comes out as sharp as it needs to be, and lighter. Nothing is ever scaled up, and Trim lets you send only the moment that matters.

Free, no signup, no watermark

Discord compression is part of the free converter: no account, and nothing stamped on your video. Free uploads go up to 100 MB, with about 2 conversions a day.

Free forever. Pro when you need more.

Convert common formats free. Lifetime Pro adds more capacity and permanent hosting, with no subscription.

LimitFreeLifetime Pro
File size100 MB1 GB
Per day2 filesUnlimited
Files kept1 hourForever
Batch1 file20 files
QueueStandardPriority

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Frequently asked questions

Discord limits the size of each file you upload, and phone videos and screen recordings go over it quickly. LightBox re-encodes the clip so the whole file comes in under 10 MB, a size Discord accepts on any account, with or without Nitro.

There's no fixed length. The 10 MB is shared across the whole clip, so the longer it is, the fewer bits each second gets and the softer it looks. When a clip is too long to fit at a watchable quality, LightBox stops and asks you to trim it — keep the part you want to share and convert again.

Yes. The audio is re-encoded to AAC, which takes only a small part of the 10 MB, so the picture keeps most of the room. A clip with no sound stays silent.

Yes. Compressing for Discord is free, with no signup and no watermark. The free limits still apply: uploads up to 100 MB and about 2 conversions a day. A one-time Pro upgrade raises uploads to 1 GB and removes the daily cap.

It's converted on our server and deleted automatically about an hour later. We don't keep or share it, and nothing is ever stamped on it.

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