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Burn subtitles into video

Create a real MP4 with Arabic or bilingual captions, using a local encoder. Short clips up to 2 minutes.

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00:00.00000:10.000

Deliver a captioned video

Load a short local video, choose caption style and export a real MP4 through the local FFmpeg encoder. The preview shows title-safe bounds; the guide is never burned in.

Worked example

A 10-second spoken sample becomes an H.264 MP4 with captions at the selected times. Audio is retained and encoded as AAC when present.

Limits & review

Input up to 50 MB / 2 minutes / 1920×1080 pixels, longest side 1920. Output is bounded to 1280×720. Processing uses your device; font substitution and wrapping can differ from the browser preview. Inspect the download.

Method reference · 2026-10-04