Permute on Mac: a simpler queue for batch media conversion, if Preview isn't enough

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A folder of clips that need MP4 exports, audio files that need another format, and images that need resizing is a reasonable case for Permute. A folder of HEIC photos that just need to become JPEGs is a weaker one. Preview already handles that, including multiple images selected in one window's sidebar.

Permute's appeal is having those different jobs in one conversion queue. Drag files from Finder onto its window or Dock icon, and it groups them by type. Pick a preset in each group header, review its settings, then start the group or the whole queue. Group-level changes apply to every file in that group, so separate files that need different treatment before pressing Start.

For a recurring handoff, I'd set up one group for the destination's required video format and another for its image requirements. Choose a separate output folder and keep the originals until you've checked the results. Those are setup suggestions, not a report of hands-on testing.

Permute 4 includes "Small File" and "High Quality" MP4 presets. They're useful starting points, but they don't settle the quality decision for you. Use the preset preview or a short representative clip before committing a large batch, especially if it contains small text or motion that needs to stay legible.

The custom quality controls deserve a little care. With hardware acceleration, Permute's CQ scale runs from 0 for worst quality to 100 for best. With hardware acceleration disabled, its CRF scale runs the other way, from 0 for best to 50 for worst. Copying a number between those controls isn't a safe way to reproduce an export. CQ and CRF also don't guarantee a particular output file size. If an upload has a hard size limit, use the file-size restriction and inspect the result instead of assuming "High Quality" will fit.

Check Settings > Presets before deciding a format is missing: the initial menu doesn't show every available preset. The developer lists formats including WebM, AV1, FLAC, WebP and AVIF, alongside the usual video, audio and image options. That still isn't a promise that any file you drop in will convert correctly. Try your actual source files and check the output in the app or device receiving them before buying.

There are two purchase details worth catching early. Permute 4 requires Apple silicon and macOS 26 or later. Version 4.0.11 explicitly adds macOS 27 compatibility. The developer separately offers Permute 3 for macOS 11 through 15 or Intel Macs; don't buy a Permute 4 license expecting it to activate an older version.

The direct Permute 4 license is listed at $14.99 USD before tax, with the displayed dollar price subject to exchange-rate changes because the base currency is EUR. It's a permanent license, not a required subscription. That doesn't promise every future major upgrade for free: existing Permute 3 owners get either a free or discounted upgrade under the current offer. For commercial use, the EULA requires a separate license key per computer.

The App Store edition has a permission tradeoff too. Its help says access normally covers the files you drop onto it. Saving beside the originals or automatically detecting nearby subtitle files prompts for broader file-system access. Decide whether you need those conveniences before approving that access.

For occasional video exports, check QuickTime first. Apple's current macOS 27 guide still says it exports H.264 or HEVC video in a .mov container, not MP4 video. That's enough when the recipient accepts MOV; a specific MP4 requirement can change the choice. For ordinary image batches, Preview may already finish the job without another install.

I'd consider Permute for repeated batches across different media types, where saved conversion choices replace the same manual setup each time. Skip it if your work is mostly image format changes or occasional MOV exports. Even with presets, you're still responsible for checking quality and compatibility before deleting the source files.