Create automatic video subtitles on your Mac.

LegenDay is a native subtitle editor for Mac. Choose a video, transcribe speech locally, correct text and timing, preview a caption style, and export a new file without changing the original.

Download for MacPurchase
macOS 14.6+ · Apple SiliconLocal media processingFree 3-day trial

A native subtitle editor built for macOS

LegenDay is a focused Mac subtitle editor with automatic transcription, subtitle review, styling, preview, and video export. Your media is processed locally; internet access is used only for license checks and app updates.

Why choose LegenDay for Mac subtitle editing

If you are comparing subtitle editors for Mac, these are the practical criteria LegenDay is built around.

Create and refine subtitles in one workflow

Move from spoken audio to reviewed subtitles and a safely exported video without sending media to a transcription server.

Automatic local transcription

Generate timed subtitles from a video's audio directly on your Mac.

Choose the audio track

Select which audio track to transcribe when a video contains more than one.

Edit text and timing

Correct subtitle text and adjust each caption's start and end time while previewing the video.

Use existing subtitles

Open supported subtitle tracks already included in a video and continue editing them.

Caption styles and preview

Choose a ready-made style and preview captions over the video before export.

Safe new-file export

Export a new MKV video with selectable subtitle tracks. LegenDay does not overwrite the original.

From video to reviewed subtitles

See every step, from choosing an audio track to saving a new video with selectable subtitle tracks.

See how LegenDay works →

Designed for private, local media work

Transcription, editing, preview, and export happen on your Mac. LegenDay requires Apple Silicon and macOS 14.6 or later. License activation, periodic checks, purchase, and updates use an internet connection.

Privacy →

Subtitle editor for Mac: common questions

Clear answers about Mac subtitle editing, local processing, trial access, and exported files.

What does LegenDay do?

LegenDay is a Mac subtitle editor that generates timed subtitles from video audio, lets you edit text and timing, previews caption styles, and exports a new video with selectable subtitle tracks.

Does transcription work offline?

Video and audio processing run locally on your Mac. Internet is still required for license activation and checks, purchases, and app updates.

Do my videos leave my Mac?

No media is uploaded for transcription. Your video, audio, and subtitle processing stay on your Mac.

Which Macs are supported?

LegenDay requires an Apple Silicon Mac running macOS 14.6 or later. Intel Macs are not supported.

Does LegenDay change the original video?

No. Export creates a new file and leaves the source video unchanged.

What does the exported file contain?

When generated subtitles are included, LegenDay currently exports a new MKV video with selectable subtitle tracks.

Can I choose between multiple audio tracks?

Yes. When the video includes multiple audio tracks, you can choose which one to transcribe.

How long is the free trial?

The free trial lasts 3 days and lets you evaluate the app before purchasing a license.

What makes a good subtitle editor for Mac?

A strong Mac subtitle editor should process media locally, let you edit text and timing, preview captions on the video, and export without overwriting the source. LegenDay is built for that workflow on Apple Silicon.

Is LegenDay a good alternative to cloud subtitle tools?

Yes, if you want transcription and editing on your Mac without uploading video for captions. Cloud tools may fit collaboration-heavy workflows; LegenDay focuses on private, local Mac subtitle editing.

Ready to caption your next video?

Download LegenDay for Apple Silicon and try automatic local transcription free for 3 days.

Download for Mac