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Compress Video

Shrink an MP4, MOV or WebM by re-encoding it at a lower bitrate — in your browser, nothing uploaded.

Chagua faili la video

MP4, MOV, WebM — re-encoded smaller in your browser

Bofya kuchagua, au dondosha faili hapa

Jinsi ya Compress Video

  1. 1

    Add your video

    Drop in an MP4, MOV or WebM — it's decoded in your browser, never uploaded.

  2. 2

    Choose quality and size

    Pick a quality level, optionally cap the resolution at 1080p/720p/480p, and drop the audio if you don't need it.

  3. 3

    Compress and download

    Click Compress video; it's re-encoded with WebCodecs at a lower bitrate and you download the smaller file.

Related PDF tools

WebM to MP4newConvert a WebM video to an H.264 MP4 that plays everywhere — in your browser.MP4 to WebMnewConvert an MP4 to a smaller VP9 WebM for the web — in your browser.Trim VideonewCut a video down to just the part you want, in your browser.Mute VideonewRemove the audio track from a video, in your browser.

Compress Video — maswali yanayoulizwa mara kwa mara

Is my video uploaded?+

No. The video is decoded and re-encoded entirely in your browser with the WebCodecs API — nothing is sent to a server.

How much smaller will it be?+

It depends on the source. A phone clip recorded at a high bitrate often drops 40–70% on the Balanced setting; dropping the resolution to 720p or 480p shrinks it much further. The tool shows the before/after size.

Why does it take a while?+

Re-encoding decodes every frame and encodes it again. It's faster than real time on most machines, but a long 4K clip can still take a few minutes. Lowering the resolution speeds it up a lot.

Which browsers work?+

Chrome, Edge and Safari 17+ have full WebCodecs video encoding. Firefox support is newer and partial; the tool tells you if your browser can't do it.

Je, mnapakia faili zangu kwenye seva?+

Hapana — kila zana hapa inachakata faili zako kikamilifu kwenye kifaa chako, na hakuna kinachopakiwa kwenye seva. Tofauti pekee ni zana za AI, ambazo hutuma maandishi yaliyotolewa (si faili) kwa Claude ili kufanya kazi yake.

Je, kuna kikomo cha ukubwa wa faili?+

Hatuweki kikomo cha bandia, lakini kwa kuwa uchakataji hufanyika kwenye kivinjari chako, faili kubwa sana (zaidi ya 500MB au kurasa 1,000+) hupunguzwa na kumbukumbu ya kifaa chako, si sisi.