PDFCure
All tools

Apply a Filter to a Video, Free

Apply a grayscale, sepia or invert filter to a video — in your browser.

Most tools run entirely on your device

Select a video

MP4, MOV or WebM — processed in your browser

Click to choose, or drop a file here

You can also paste (Ctrl+V / Cmd+V)

Most tools run entirely on your device

About applying a filter to a video

Grayscale, sepia and invert are classic look-changing effects, applied here to every frame of a video rather than a single photo. A live preview on one frame lets you dial in the strength (0–200%) before committing to the full clip.

Each frame is decoded, drawn through the same CSS-filter pipeline used by the browser's canvas, and re-encoded — entirely in your browser with WebCodecs. Nothing is uploaded, and the same filter and strength apply uniformly across the whole video.

Supported files

Accepts MP4, MOV or WebM. Produces a matching video file with the filter burned in.

Is my file uploaded?

No. Filtering happens entirely in your browser with WebCodecs — the video is never uploaded.

How to Video Filter

  1. 1

    Add your video

    Drop in the video you want to apply a filter to — it's read in your browser, never uploaded.

  2. 2

    Pick a filter

    Choose Grayscale, Sepia or Invert, and drag the amount slider — the preview updates instantly.

  3. 3

    Apply and download

    Click Apply filter; the video is re-encoded with the effect burned in.

Video Filter — frequently asked questions

Is my video uploaded anywhere?+

No. It's decoded, filtered and re-encoded entirely in your browser — nothing is sent to a server.

What filters are available?+

Grayscale, sepia and invert, each with an adjustable strength from 0 to 200%.

Can I preview before running the full conversion?+

Yes — the preview frame updates instantly as you change the filter or amount, before you commit to processing the whole video.

Does the filter apply to the whole video?+

Yes — every frame gets the same filter and amount.

Do you upload my files to a server?+

No — every tool here processes your files entirely on your device, and nothing is uploaded to a server. The only exception is the AI tools, which send the extracted text (not the file) to Claude to do their work.

Is there a file size limit?+

There's no artificial limit we impose, but since processing happens in your browser, very large files (500+ MB or 1,000+ pages) are limited by your device's memory rather than by us.