Is Fade in from black free? Is there a watermark?

Yes — Fade in from black is free to use with no sign-up or watermark. Very large files can still be limited by your browser's available memory and processing resources.

Do my files get uploaded to a server?

No. Fade in from black runs entirely in your browser with WebAssembly, so your MP4, MOV, WebM, MKV file never leaves your device and nothing is stored or seen by us.

What can I put in, and what do I get out?

Fade in from black accepts MP4, MOV, WebM, MKV and gives you back a MP4 file. You can also set fade length before you run it. Actual codec support depends on what the bundled engine or browser decoder can read.

Does Fade in from black change my original file?

No. It never touches your original — Fade in from black creates a brand-new MP4 file to download and leaves the source on your device untouched.

Free tools · Edit

Fade in from black

Add a gentle fade-in from black to the start of a video for a clean, polished opening. Choose the fade length. Browser-only, with no upload or watermark.

Runs entirely in your browser. Your file is never uploaded — no watermark, no account.

Drop a file or click to chooseMP4, MOV, WebM, MKV

Get a better result

Best for: Giving the first 0.3–5 seconds of a clip a clean visual entrance from black without changing the rest of the picture treatment.
Input → output: Video receives a timed fade filter and is encoded as H.264/yuv420p MP4, while the source audio stream is copied unchanged when compatible.
Quality tip: Keep the fade shorter than the opening action. Confirm important text becomes readable in time and review the first seconds with sound.
Know before running: The operation does not fade audio. Vorbis, Opus, or other source audio may not remux into MP4, and the video receives another lossy encode.
Next step: Compress video to prepare the finished opening for its delivery limit.

How to use Fade in from black

1
Choose your file. Drop a supported MP4, MOV, WebM, MKV file into the tool, or click to select one. It stays on your device — nothing is uploaded.
2
Pick your settings. Adjust the available options, then press Run. The first processing run loads the browser engine before conversion begins.
3
Download. Review the result, then download the finished file from your browser with no watermark.

Frequently asked questions

Is Fade in from black free? Is there a watermark?: Yes — Fade in from black is free to use with no sign-up or watermark. Very large files can still be limited by your browser's available memory and processing resources.
Do my files get uploaded to a server?: No. Fade in from black runs entirely in your browser with WebAssembly, so your MP4, MOV, WebM, MKV file never leaves your device and nothing is stored or seen by us.
What can I put in, and what do I get out?: Fade in from black accepts MP4, MOV, WebM, MKV and gives you back a MP4 file. You can also set fade length before you run it. Actual codec support depends on what the bundled engine or browser decoder can read.
Does Fade in from black change my original file?: No. It never touches your original — Fade in from black creates a brand-new MP4 file to download and leaves the source on your device untouched.