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How-to guide

How to add captions to a video on Android

Caption any video right on your Android phone — open Chrome, upload from your Gallery, and save a captioned MP4 back to your phone. No app to install.

Quick answer

To add captions to a video on Android, open AnimateCaptions in Chrome — there is no Play Store app to install. Upload your .mp4 clip from your Gallery, let it auto-transcribe the audio, pick an animated caption style, then export and save the captioned MP4 back to your phone. The whole process runs in your mobile browser and takes about a minute for a short clip.

Step by step

How to caption a video on Android in 5 steps.

From your Gallery to a captioned MP4 — all in Chrome, no app.

  1. 01

    Open AnimateCaptions in Chrome

    On your Android phone, open Chrome and go to AnimateCaptions. There is no Play Store app to download — everything runs in the mobile browser, so you can start in seconds.

  2. 02

    Upload a video from your Gallery

    Tap upload and pick a clip from your Gallery or Files. Android records video as .mp4, which is fully supported, along with .mov — up to 2 minutes and 500 MB on the free tier.

  3. 03

    Let it auto-transcribe

    AnimateCaptions transcribes the audio automatically with Deepgram Nova-3 and turns your spoken words into timed captions. It auto-detects 36+ languages, so there is nothing to type.

  4. 04

    Pick a style and position it

    Choose from 32+ animated caption styles, then tap any word to fix a transcript typo and drag the lines where you want them. The preview matches your final export exactly.

  5. 05

    Export and save to your phone

    Tap export. The captions are rendered into the video server-side with Remotion at full resolution, then the finished MP4 downloads straight back to your Android phone, ready to post.

Editor walkthrough

Edit every word before you export.

Live caption preview, click-to-correct transcript, per-line drag positioning, and 32+ animated styles to pick from.

Common questions

Adding captions on Android — FAQ.

Do I need a Play Store app?

No. AnimateCaptions runs entirely in Chrome on your Android phone — there is nothing to install from the Play Store. Just open the site in your browser and start captioning.

What video formats work on Android?

Android usually records video as .mp4, which is fully supported, and .mov files work too. On the free tier you can caption clips up to 2 minutes and 500 MB.

Will my vertical video stay vertical?

Yes. Portrait (9:16), landscape (16:9), and square (1:1) are all supported, and phone rotation is handled automatically, so a vertical clip shot on your phone exports as vertical.

Is it free to add captions on Android?

Yes — the free tier auto-transcribes and exports with no credit card. Free exports carry a small AnimateCaptions watermark; plans from $7.99/month remove it, cheaper than Submagic ($19/mo) or Captions.ai ($24.99/mo).

Are the captions burned into the video?

Yes. Your export is a standard MP4 with the captions rendered directly into the frames, so they show up on every platform without uploading a separate subtitle file.

What languages does it support?

AnimateCaptions transcribes with Deepgram Nova-3 and auto-detects 36+ languages, so you can caption videos spoken in most major languages without changing any settings.

Caption your first video on Android, free.

Open Chrome, upload from your Gallery, pick a style, save a captioned MP4 to your phone. No Play Store app, no credit card.

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