You have come back from a shoot with a card full of RAW files, and someone wants JPEGs. Maybe it is a client, a family group chat or a print lab. Converting them one at a time is tedious, so this guide covers how to batch convert RAW to JPEG on a Mac, what the free built-in options do well, and where they fall short.
Why RAW files need converting at all
A RAW file is the sensor data before it has been turned into a finished picture. That is what makes it so flexible to edit, but most websites, phones and printing services expect a JPEG (or sometimes HEIC or TIFF). Converting “develops” the RAW into a normal image file at a fixed look, size and quality.
The important question is which look gets baked in. A plain conversion uses the converter’s default rendering. If you have spent time editing exposure, colour or a film look, you want those edits in the JPEG too, and that is where the choice of tool matters.
Option 1: Preview (free, already on your Mac)
Preview can open most common RAW formats and export them as JPEGs in a batch:
- Select your RAW files in Finder and open them together in Preview.
- In Preview’s sidebar, select all the thumbnails (Command-A).
- Choose File › Export Selected Images…
- Open the Options, choose JPEG as the format and set the quality.
- Pick a destination folder and click Choose.
This is fine for quick, unedited copies. The catch is that Preview only applies Apple’s default RAW rendering. Any edits you have made in another app are ignored, and there is no control over sharpening, noise or colour beyond that default.
Option 2: Photos
If your pictures already live in the Photos library, you can select a group and use File › Export to save them as JPEGs. It works, but it means importing everything into the library first, which many photographers who keep their files in ordinary folders would rather avoid.
Option 3: Edit and convert in one go with Sablefilm
Sablefilm is a RAW editor for Mac with a batch convert tool built in, so the JPEGs you export carry your edits rather than a generic default. It opens RAW files from Fujifilm, Canon, Nikon, Sony, DNG and others.
A typical workflow looks like this:
- Open the folder. Sablefilm is folder-based, so you simply point it at the folder the files are already in. There is no catalogue to import into.
- Edit a hero image. Adjust exposure and colour, add AI noise reduction or lens correction, or apply one of the 173 film-inspired looks with grain, halation and bloom. If you have Lightroom presets (.xmp or .lrtemplate), you can import those and use them too.
- Keep the set consistent. Apply the same film look or imported preset to the other frames so the batch shares a style, then fine-tune any that need it. The before/after view helps you check nothing has gone too far.
- Batch convert. Select the photos and export them together as JPEG, or as HEIC or TIFF if that suits the destination better.
Because edits are stored in a sidecar file, your original RAWs are never changed. You can come back later, tweak the look and export a fresh batch. Sablefilm also writes Lightroom-compatible XMP, so your adjustments are not locked into one app.
Tips for better batch exports
- Export to a separate folder. Keeping JPEGs apart from the RAWs makes it easy to send or upload the whole set without mixing file types.
- Match the quality to the job. High-quality JPEGs for print, smaller files for messaging and the web.
- Choose TIFF if you will keep editing elsewhere. JPEG is compressed each time it is saved; TIFF is better as an intermediate file.
- Check a few frames at 100%. High-ISO shots in particular benefit from a look at noise before you export fifty of them.
What it costs
Preview and Photos are free. Sablefilm is a one-off purchase, currently £9.99 as an introductory price until 30 November 2026 (then £19.99), with no subscription, no account and no internet connection needed. One licence covers up to three Macs running macOS 14 or later, on Apple silicon or Intel.
If you are still deciding between editors, our Sablefilm vs Lightroom comparison sets out the differences, and our guide to editing RAW photos on a Mac without a subscription covers the editing side in more depth.
Adobe and Lightroom are trademarks of Adobe Inc. Fujifilm is a trademark of FUJIFILM Corporation. Canon, Nikon and Sony are trademarks of their respective owners. Mac, macOS, Preview and Photos are trademarks of Apple Inc. Sablefilm is not affiliated with or endorsed by these companies.