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Video Filters — Grayscale, Brightness, Contrast & More Online Free

Upload an MP4, MOV, AVI, or WebM file. Pick a filter — brightness, contrast, saturation, grayscale, or sepia. Download the result. No signup, no watermark, no software to install.

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AT USE Video Filters applies colour and tone corrections to any video online — no editing software, no plugins, no account required. Upload an MP4, MOV, AVI, or WebM file up to 100 MB, pick one of eight filter presets, and download the processed H.264 MP4. Processing runs server-side via FFmpeg — the same engine used in VLC, HandBrake, and professional broadcast pipelines. Audio is always copied unchanged; only the visual track is touched.

Eight filter presets for creators and editors

The eight presets cover the adjustments most commonly needed without a full colour-grade session. Grayscale removes all colour information and renders the video in black and white — a one-click conversion for documentary B-roll, cinematic drama, or historical-aesthetic content. TikTok and Reels creators use it to create moody contrast with colourful title cards. Sepia adds the warm orange-brown tone of analogue film, instantly creating a vintage look for flashback sequences, brand storytelling, or social nostalgia content.

Brightness Boost lifts the overall luminance — the fastest fix for underexposed indoor footage shot without adequate lighting. Brightness Reduce calms overblown outdoor scenes. Contrast Boost deepens the separation between shadow and highlight, correcting flat or hazy footage that looks washed out. Contrast Reduce softens harsh tonal extremes for a more cinematic, low-contrast grade. Saturation Boost intensifies all colours simultaneously for vivid, punchy social-ready clips. Saturation Reduce desaturates partially — landing between full colour and monochrome for the muted editorial aesthetic used in lifestyle and brand content.

Accessibility and quality review uses

Grayscale is also the standard first step in accessibility review: converting a video to black and white simulates how colourblind viewers perceive content and reveals whether text overlays, captions, and UI elements have sufficient luminance contrast without relying on colour alone. Designers and developers use this to identify elements that pass colour contrast ratios in theory but fail in greyscale practice.

Output

Output is always H.264 MP4 at CRF 23 — a quality-file-size balance that matches YouTube, Instagram, and TikTok ingest recommendations. The output filename appends the filter name to the original (e.g. clip_grayscale.mp4). Files are deleted from the server immediately after download.

Common use cases

Convert colour footage to black-and-white for documentary or cinematic edits — A video editor needs black-and-white B-roll from a modern colour camera for a documentary cut. Grayscale produces correct monochrome with preserved tonal values in seconds — the converted clip is ready to import into the editing timeline without any colour-grading step.
Create a moody or vintage look for TikTok and Reels — A social media creator wants a Grayscale or Sepia aesthetic for a TikTok video to contrast with a coloured text overlay or trending audio. Rather than applying a filter inside the TikTok app (which re-encodes the video), they apply the filter here at source quality, then upload the finished MP4.
Recover underexposed or overexposed footage without video editing software — A content creator shot an interview in a dim room and the footage is too dark for YouTube. Brightness Boost lifts the overall exposure without any frame-by-frame adjustment or editing software — the corrected MP4 downloads ready to upload directly.
Check colour accessibility for video captions and UI overlays — A designer building a product demo video applies Grayscale to test whether text overlays and call-to-action captions remain legible for colourblind viewers. If the text disappears against the background in greyscale, the overlay colours need a contrast revision before the video ships.
Create a desaturated brand aesthetic for product and lifestyle content — A brand content team wants a muted, editorial look for a series of product clips — partially desaturated without going fully monochrome. Saturation Reduce achieves the target aesthetic in a single step, without renting colour-grading software or waiting for a post-production pass.

Frequently asked questions

What video formats are supported?

MP4, MOV, AVI, and WebM files up to 100 MB. Most videos from phones, cameras, and screen recorders are one of these four formats. If your file is a different format (MKV, FLV, TS), convert it to MP4 first using a free converter — the filtered output will be H.264 MP4 regardless of the input format.

Does applying a filter affect the audio track?

No. The audio track is stream-copied to the output unchanged — same codec, same bitrate, same content. Video filters only modify the visual track. You will not notice any difference in audio quality or volume.

What is the difference between Brightness and Contrast?

Brightness shifts the overall luminance of every pixel up or down uniformly — it moves the whole image lighter or darker. Contrast changes the range between dark and bright: a Contrast Boost makes shadows darker and highlights brighter, increasing separation; a Contrast Reduce brings them closer together, softening the image. For underexposed footage, try Brightness Boost first; for flat, hazy footage that looks washed out, try Contrast Boost. Combining both (Brightness Boost + Contrast Reduce) is a common correction for indoor shooting.

Why does Grayscale look different from just desaturating in a video editor?

Grayscale uses FFmpeg's hue/saturation filter to remove colour information from the YUV colour space, preserving the original luminance channel. This produces the same result as a professional desaturation in a colour-grading suite. Some consumer apps apply a flat greyscale conversion that discards luma weighting, producing flat, low-contrast output. The difference is most visible in skin tones and blue skies — the FFmpeg conversion retains the tonal separation between them.

Is my video processed on a server or in my browser?

Your video is processed server-side via FFmpeg. It is deleted from the server immediately after the download link is generated — we do not retain, analyse, or share your video files. No account is required.

Keep going

Video Filters — Grayscale, Brightness, Contrast & More Online Free

Eight filter presets for creators and editors

Accessibility and quality review uses

Output

Common use cases

Frequently asked questions

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