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Private browser utility / Social & Creator

Video Filters Online

Runs entirely in your browser - no upload, no sign-up.

Live workspaceLocal processing
Choose a video to add a look or correct its color

Your source and filtered video stay in this browser tab. The video is never uploaded.

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video filters / browser utility
01 / Overview

How can you add filters to a video online?

Choose a local clip, apply a one-click look or adjust brightness, contrast, saturation, hue, and gamma, then export a new MP4. The preview updates immediately as you edit. Processing happens inside your browser, so the source video is never uploaded to CanDoYa.

02

How to use

  1. 01
    Choose a video

    Drop an MP4, WebM, MOV, MKV, AVI, MPEG, or another common video file into the editor.

  2. 02
    Pick a look

    Try Vivid, Mono, Sepia, Warm, Cool, Vintage, or Noir while the local preview updates immediately.

  3. 03
    Fine-tune the color

    Adjust brightness, contrast, saturation, hue, and gamma, then play the preview to inspect different frames.

  4. 04
    Export and download

    Apply the filters locally, preview the completed MP4, and download the watermark-free result.

03

Who it's for

  • Social creators can give clips a vivid, warm, cool, vintage, or noir finish before posting.
  • Remote teams can brighten a dim webcam recording while keeping internal footage on the device.
  • Teachers and presenters can improve contrast in screen recordings and camera demonstrations.
  • Personal archivists can turn a color clip monochrome or add a sepia treatment without installing an editor.

This editor gives you eight starting looks: Original, Vivid, Mono, Sepia, Warm, Cool, Vintage, and Noir. Each look sets a practical combination of tonal controls, and the five sliders remain available for precise correction. Use brightness to lift or lower the picture, contrast to separate light and dark tones, saturation to control color intensity, hue to shift colors, and gamma to adjust the midtones.

The preview uses fast browser effects so you can make choices without waiting. Export then loads a WebAssembly build of FFmpeg and applies equivalent video filters frame by frame. The output is an H.264 MP4 with the first audio track encoded as AAC when audio exists. Subtitles, extra tracks, chapters, and source metadata are omitted. Browser memory makes short and moderate clips the best fit.

FAQ

Is my video uploaded when I add a filter?

No. The selected file remains in this browser tab. A WebAssembly video engine applies the final filter locally and creates the downloadable MP4 on your device. The engine code downloads the first time it is needed, but your source and result are not uploaded to CanDoYa.

Are these online video filters free and watermark-free?

Yes. You can preview looks, adjust every color control, export, and download without an account, subscription, credit limit, or watermark. Practical limits come from your device's available memory and processing speed rather than a paid server export plan.

How large a video can I filter in the browser?

The conservative limit is 100 MB on mobile or lower-memory devices, 250 MB on a typical desktop, and 500 MB on a high-memory desktop. A file near the limit can still process slowly because the browser holds the source, engine, working frames, and output together.

Which video filters are included?

The editor includes Vivid, Mono, Sepia, Warm, Cool, Vintage, and Noir looks plus the unchanged Original setting. You can fine-tune any look with brightness, contrast, saturation, hue, and gamma. The preview responds immediately, while export bakes the selected values into each frame.

Does the filtered video keep its audio?

Yes, when the source contains a readable audio track. The exporter processes the main picture and writes the first audio stream as AAC in the MP4. Silent videos remain silent. Extra audio tracks, subtitles, chapters, attachments, and original metadata are not copied.

Why can the preview differ slightly from the exported MP4?

The browser preview uses fast display filters, while export uses FFmpeg color filters on decoded video frames. They are designed to represent the same choices, but codec color ranges, gamma handling, player color management, and the sepia matrix can create small visual differences. Check the exported preview before downloading.

Will adding a filter reduce video quality?

The picture must be re-encoded so the filter appears in every player. The high-quality H.264 setting limits visible loss, but any lossy re-encode can alter fine detail. Keep the original file as your master, and avoid repeated exports of the same already-compressed result.

Which video formats can this editor open?

It accepts common files such as MP4, WebM, MOV, MKV, AVI, MPEG, WMV, MTS, and related containers, then exports MP4. Browser preview support is narrower than FFmpeg support, so an uncommon professional codec or damaged source may need conversion first.