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Add Captions to Video

Auto-transcribe and burn subtitles into a video with Whisper — in your browser, nothing uploaded.

Chagua faili la sauti au video

MP3, WAV, M4A, MP4, MOV, WebM — imenakiliwa kwenye kivinjari chako na Whisper

Bofya kuchagua, au dondosha faili hapa

Jinsi ya Add Captions to Video

  1. 1

    Add your video

    Drop in an MP4, MOV or WebM with an audio track — it's read in your browser, never uploaded.

  2. 2

    Transcribe and review

    Whisper transcribes the speech into timed caption lines. Fix any mistakes right in the list before you burn them in — corrections after that point mean starting over.

  3. 3

    Style and export

    Pick a position and size, then download SRT/VTT subtitle files, or burn the captions directly into the video as a new file.

Related PDF tools

Add Text to VideonewBurn custom titles or captions onto a video at a chosen time — in your browser.Video kuwa MaandishiAndika maandishi ya mazungumzo ya video na manukuu (SRT/VTT) kwa Whisper — kwenye kivinjari chako, hakuna kinachopakiwa.Sauti kuwa MaandishiAndika maandishi ya MP3, WAV au kumbukumbu ya sauti na manukuu kwa Whisper — kwenye kivinjari chako, hakuna kinachopakiwa.Punguza VideoKata video kwa sehemu unayotaka pekee, kwenye kivinjari chako.

Add Captions to Video — maswali yanayoulizwa mara kwa mara

Is my video uploaded?+

No. Both the Whisper transcription and the caption burn-in run entirely in your browser. The video never leaves your device.

Which browsers work?+

Transcription works broadly. Burning captions into the video needs WebCodecs — Chrome, Edge or Safari 17+. You can still download SRT/VTT subtitle files anywhere transcription works.

Can I fix mistakes before burning them in?+

Yes — every caption line is editable after transcription. Fix anything Whisper got wrong before you burn it in, since that step is permanent.

Does burning in captions reduce video quality?+

Slightly — it's a full re-encode of the video, the same trade-off as Compress Video. Pick a lower resolution source if file size matters more than quality.

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.