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

Yes — Fade in from black is completely free, with no sign-up, no watermark, and no limit on how many files you process.

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.

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 — an instant, polished open. Choose the fade length. Browser-only, no upload and no 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

How to use Fade in from black

1
Choose your file. Drop a file into the tool, or click to select one. It stays on your device — nothing is uploaded.
2
Pick your settings. Adjust the options if you like, then press Run. The first run downloads a ~32 MB engine once; after that it's instant.
3
Download. Everything is processed right in your browser — download the finished file instantly, with no watermark.

Frequently asked questions

Is Fade in from black free? Is there a watermark?: Yes — Fade in from black is completely free, with no sign-up, no watermark, and no limit on how many files you process.
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.
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.