Video Studio

Runs in your browser • Nothing is uploaded · GPU in private early access

Test pattern — load your own video

Timeline studio

Cut and layer Big Buck Bunny or your own clips, add titles and twelve visual filters, fade music under voice-overs, and compare before and after frames side by side.

Projects & samples:3▾
Sample clips & sequence memory

Default 4-track sequence (V1, V2 picture-in-picture cutaway, T1 lower third, A1 ducked score).

Multi-clip A/B reel with Big Buck Bunny, clip-a, clip-b, and 3D LUT keyframes.

Broadcast voice-over ducking (-10 dB) with 3-band EQ and typewriter captions.

0 clips
Cut & trim
Trim, 3-pt & tracks ▾
in=0.50s · out=2.50s
Transform & AI upscale
Color & audio
AI director

Tools

Compress
WebCodecs

Shrink video files with H.264, VP9 or AV1 right in your browser. You see the exact before and after file size when it finishes.

No video chosen.

Compress options

Choose a video to start.

Jobs

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Kept in this browser only. Outputs up to 25 MB stay after a reload; larger ones last until you close this tab.

Run a tool above and its output appears here, ready to download. Jobs are kept in this browser only.

Tools use your browser's WebCodecs and Mediabunny (MPL-2.0). Loudness — and Compress when WebCodecs can't — uses FFmpeg (ffmpeg.wasm 0.12.10, GPL-2.0-or-later). Licenses and source

Codec support ▾

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Detected on this device. Each tool picks its engine from this list.

Hardware check
Video encode
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Video decode
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Audio encode
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WebAssembly
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WebGPU
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CPU threads
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Memory
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Large-file warning
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00:00:01:06 (1.20s / 4.00s)
Filter: contrast(1.12)

T1: Big Buck Bunny • open movie

More ▾
Y=188
-1.7dB

Inspector

big-buck-bunny.mp4
Clip & presets ▾
lift_gamma_gain.gain (smooth)◆ 4 · 1.12
lift_gamma_gain
Params ▾

Keyframes: gain[0s=0.96, 1.2s=1.12, 2.6s=1.04, 4s=1.18]

Tracks (4)

4 clips · 3 markers
00:00:01:06
SMPTE timecode30fps
00:00:00:00 (0.0s)00:00:01:00 (1.0s)00:00:02:00 (2.0s)00:00:03:00 (3.0s)00:00:04:00 (4.0s)

Big Buck Bunny (CC-BY 3.0) loaded on the timeline. Scrub, split, or compare before and after frames.