Video · Burn In Subtitles
Put the words into the picture, so every feed shows them.
Transcribe speech on-device or load an SRT, preview the captions over the playing video, then burn them in. MightyBench typesets them itself, so they stay crisp anywhere.
One-time purchase · macOS 26 Tahoe or later, Apple silicon recommended
How it works
Three steps, start to finish.
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01
Open Burn In Subtitles
Press ⌃⌥Space and type “subtitles”, or pick it from MightyBench’s menu bar icon.
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02
Choose captions and a look
Pick Transcribe and a language, or From SRT. Set Size to Small, Medium or Large, Style to Outline or Box, and Position to Bottom or Top.
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03
Press Burn In
Your captioned MP4 goes to a new dated folder in Downloads › MightyBench, with the words drawn into the picture. The original video is untouched.
The details
Small things, done properly.
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Transcribed on your Mac
Speech is turned into captions by Apple’s on-device model. Each language downloads once, then it works offline.
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Bring any SRT
Load an SRT from anywhere, including one translated with MightyBench’s Translate tool.
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Preview before you burn
Captions play over the video in the preview, so you can check them before they’re drawn into the picture for good.
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Typeset by MightyBench
MightyBench draws the captions itself, so they look crisp in any player, feed or chat app.
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Outline or Box, top or bottom
Choose Small, Medium or Large text, an Outline or Box style, and captions at the Bottom or Top of the frame.
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Trim, compress, then caption
Send to next tool lets a clip go from Trim Video to Compress Video and then into Burn In Subtitles, without hunting for files.
Specs
Burn In Subtitles, at a glance.
Captions drawn into the frame.
| Opens | MOV, MP4, M4V, MKV, WebM, AVI, MTS; captions from on-device transcription or an SRT file |
|---|---|
| Saves as | MP4 (H.264, AAC) |
| Settings |
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| Needs | FFmpeg, installed in one click |
| Originals | Never changed |
| Saved to | Downloads › MightyBench › date Burn In Subtitles |
FAQ
Questions about Burn In Subtitles
Anything else? Email support@mightybench.com and a person will reply.
How do I add subtitles to a video on a Mac?
Open Burn In Subtitles, drop the video in, choose Transcribe or From SRT and press Burn In. You can preview the captions over the playing video first.
Can it create the subtitles for me?
Yes. Choose Transcribe and a language, and Apple’s on-device model turns the speech into captions. Languages download once, then it works offline.
Can I use my own SRT file?
Yes. Switch Captions to From SRT and load any SRT, including one translated with MightyBench’s Translate tool.
What does burning in subtitles mean?
The captions are drawn into the frame itself, so they appear in any player, feed or chat app. MightyBench typesets them, so they stay crisp.
Is my video sent anywhere to be transcribed?
No. Speech is transcribed with Apple’s on-device model and nothing is uploaded. After a one-time language download it works offline.
Does Burn In Subtitles need FFmpeg?
Yes. MightyBench installs FFmpeg through Homebrew in one click the first time, or you can point it to your own copy.
Plus forty-eight other tools.
Burn In Subtitles comes with every other MightyBench tool: video, audio, images, PDFs and on-device AI in one native Mac app. Pay $39 once for one Mac, with every MightyBench 1.x update included.
One-time purchase · macOS 26 Tahoe or later, Apple silicon recommended