Open your audio or video.
Choose a file on your Mac or import a supported video link. Select the languages you want to translate into.

Generate subtitles from audio or video, or translate an existing SRT into multiple languages. Review the words, export your files, and enhance video — all on your Mac.
Download for MacApple Silicon · macOS 14.4 or later · 3 free files
Inside Polyglot
Watch the video, review each timed line, and edit your original text or translations in the same workspace.
Actual Polyglot app · Prepared sample project
Generate a first draft, review the text and export subtitles for your video editor or player.
Choose a file on your Mac or import a supported video link. Select the languages you want to translate into.
Local AI transcribes the speech and translates the subtitle text. Your recordings aren’t uploaded for processing.
Check names, phrasing and translations alongside playback. Export one language or all completed languages.
New · SRT translation
Import an SRT, choose one or more languages and translate locally. Keep the original cue numbers and timing. No video required.
One file in your free allowance. Extra languages included.
Transcription, translation and video enhancement run locally. Download the models once, then process local files without an internet connection.
See when Polyglot connects to the internetAI gives you a starting point. Keep control of the text, translations and files you share.
Play from a subtitle to check it against the recording. Edit the original text and translations without changing the source timing.
Projects and completed translations are saved on your Mac. Reopen your work and continue editing.
Adjust resolution, noise, sharpness and motion. Optional AI models offer additional enhancement. Preview a short scene before exporting a new video.
Save one language or all completed languages as UTF-8 SRT files. Add them to a compatible editor or player; SRT export doesn’t burn captions into the video.
An Apple Silicon Mac running macOS 14.4 or later, at least 8 GB of memory, and approximately 7 GB of free disk space for initial subtitle model setup. SeedVR2 enhancement requires at least 16 GB of memory.
Transcription, translation and enhancement run locally after the required models have been downloaded. Model downloads, video-link imports and optional app update checks require an internet connection.
Automatic speech recognition supports 25 European languages. Translation languages are selected separately; a translation option does not imply support for recognizing speech in that language.
Yes. AI can mishear names, accents and overlapping speech, or miss the meaning of an idiom. Review the text and translations before exporting.
Yes. Choose Translate SRT, import your subtitles and select one or more target languages. Translation is local and the original cue timing is preserved.
Media transcription and SRT translation share the same three-file allowance. An SRT counts when its first complete translation is saved; more languages for that file are included. Pro removes this file limit.
The new updater-enabled release supports signed updates through Sparkle. If your current version has no “Check for Updates…” menu, install the new release manually once.
Polyglot for Mac
Import a file, review the text, and export SRT.
Apple Silicon · macOS 14.4 or later · 3 free files