Automatic image converter for Mac

Folders that convert themselves.

Watch any folder, even one your team shares. Every image that lands in it comes out as WebP, AVIF or JPEG, resized and renamed.

Download Auto Image Batcher on the Mac App Store

Mac · macOS 15 or later

WebP

SS26_Paris_Quai_0147.webp

JPG → WebP · 8.9 MB → 573 KB−94%

For teams

Built for shared folders.

Point it at a folder in Dropbox, Google Drive, OneDrive, iCloud Drive or on a server. Whatever anyone drops in comes out ready for the web, for the whole team.

Waits for uploads

A file is converted only once it has stopped changing, so images still syncing are left alone.

Never converts twice

It remembers every file it handled. The Converted folder itself is never watched.

Writes in one go

Each converted file appears complete, so the sync app never uploads half an image.

How it works

1.Drop images in.

Anyone on the team, from any Mac. Each file is left alone until it has finished syncing.

Spring Campaign
Auto Image BatcherWatching 2 folders
Product ShotsWebP · 2560 px → Converted
Spring CampaignWebP · 2560 px → Converted

Recipes

Pick a recipe. That's it.

Six presets cover most jobs. Try them on a real shoot: these are the actual results.

Convert to

› Customize

Save in

13 converted · 41.2 MB savedActivityOptions…
Golden-hour light on the Pont au Double in Paris
Original · JPEG
8.9 MB
6240 × 4160
Converted · WebP
573 KB−94%
2560 × 1707

Small files for the web. The whole shoot, 13 photos: 45.4 MB → 4.2 MB.

Formats

Every format clients ask for.

In goes almost anything, from RAW to PDF. Out comes what the job needs, at the size and name you set.

Converts to

  • WebPSmall files for the web
  • AVIFSmallest files, modern browsers
  • JPEGWorks everywhere
  • PNGLossless, keeps transparency
  • HEICSmall files for Apple devices
  • TIFFLossless, for print and archiving

Reads

JPEGPNGHEICWebPAVIFTIFFGIFRAWPSDSVGPDFand more

Any size

Longest edge, width, height, a percentage, or an exact size: fit, fill and crop, or stretch. Small images are never enlarged unless you allow it.

Any name

Build names from placeholders. Try it:

→ SS26_Dunes_0231-2560w.webp

Details

Set it up once. Forget it.

It runs quietly in the menu bar and only speaks up when a batch is done.

In the menu bar

Every folder's status and Pause All, one click away.

Done, in a note

“Converted 24 images · saved 18.2 MB” when a batch is finished.

Activity

Every conversion, searchable, with its size before and after.

Strip location

Remove location and camera info. Colour profile and orientation stay.

Tidy originals

Keep them, or move them to the Trash once they're converted.

Subfolders too

Include the folders inside a folder, as deep as they go.

Name clashes

If a file already exists: skip it, replace it or keep both.

Catches up

After sleep or a restart, it converts what arrived meanwhile.

Auto Image Batcher's window watching three folders, each set to convert to WebP at 2560 px and save in a Converted subfolder

Private

Client work stays on your Mac.

Under NDA? Nothing leaves your Mac through the app.

  • No internet access

    The app can't go online. Every image is converted on your Mac.

  • Only your folders

    It sees the folders you give it, and nothing else on your Mac.

  • No account

    No sign-up, no analytics, no tracking.

Read the privacy policy →

FAQ

Good questions.

Something else? Get in touch

WebP

Get Auto Image Batcher

Drop it in. It's done.

No more exporting images one by one.

Download Auto Image Batcher on the Mac App Store

Mac · macOS 15 or later