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March 26, 2026 at 12:50 pm in reply to: Synchronization between devices via Apple photo library #145543
Nik BhattKeymasterI’m not sure I am totally following what you are doing but I will try to answer.
Synchronization of Photo Libraries is handled by Apple, and works using iCloud Photos. Nitro does not have any ability to influence how that works.When you are exporting from the file system to the Photo Library via Nitro, how are you doing that? If you are exporting a rendered image (e.g., a JPEG) then Nitro will make a new file with the edits “burned in” and add it to the photo library. The original is not copied into the library and the edits are not copied either.
If you export the original + metadata to the Photo Library, then Nitro will add the original, all Nitro metadata (including editing parameters) and the full size rendered image to the library. You can edit non-destructively and the edits etc will synch over iCloud if you are using iCloud Photo Library.
Nik BhattKeymasterI haven’t determined the extent of file management tools for upcoming releases. Probably the first batch will be around R+J and XMP file extension flexibility (and possibly writing XMP into the original).
Having multiple XMP files is possible, but I think it would probably create a bunch of problems. If the point of duplication is to be able to edit an image more than one way, then I have a better approach in mind, but again, that’s in the future.
Nik BhattKeymasterThe short answer is that it’s not implemented yet, but hopefully soon (in a release or two, I hope).
The long answer is that it’s harder than it looks if you are using the Photo Library. Actually, it’s impossible to fully implement Duplicate in the Photo Library. That’s because Apple does not permit third party apps to read/write keywords, titles, descriptions, etc. As a result, I cannot make a new image in the library that includes the titles, descriptions, or keywords you may have added in Photos. I can copy Nitro data, but not Photos data. Argh. So, when I make the Duplicate feature in Nitro, any duplicate made in the Photo Library will be missing that data.
In the intervening time:
1) Finder: Use Duplicate in the Finder – if your disk uses APFS, then the duplicate will not use more disk space
2) Photos: Use Duplicate in Photos – they can make a true copy.
Nik BhattKeymasterThere isn’t a feature like what you describe. “Done” is not a concept that the app has – it has no way of knowing when you are done with an edit. Conceivably the app could provide a way to set up a folder or Photo library album that you can quickly move files to (via a shortcut key). Have you seen such a feature in other apps? As far as a “edits since last export” goes, it’s certainly possible, but it’s fragile. You could be working on a project and then have to quickly output a unrelated file for someone and the flag has been reset.
Nik BhattKeymasterEmail me if you need help with this. THe forum is not setup for customer support for problems such as this. support@gentlemencoders.com
Nik BhattKeymasterEdits should save automatically when you go from image to image, or exit Edit. If you just quit the app, it may not save them. Apple made a change in macOS Tahoe which I still need to figure out a work around.
Nik BhattKeymasterThanks – I’ll take a look. The keywords should save when you switch modes like that, so there is a bug somewhere.
Nik BhattKeymasterNo, but you can email it to me at support@gentlemencoders.com.
Nik BhattKeymasterJoachim, Nitro does not delete previews on its own.
The issue with Hasselblad is that the camera provides very low-resolution previews despite the camera’s high resolution. On the Mac, there are settings that will cause the app to generate high resolution previews automatically. Turn off Quick Preview and/or turn off the setting that makes previews while in Quick Preview. You may need to try combinations of them.
Browsing may slow down when you do that, but the app will build full resolution previews as you view images. You can also use the Build Thumbnails feature to do it in a batch. Most apps avoid this problem by having an explicit Import step, where they will make all of these images before you can work with them. Nitro does not do that – it gives you access immediately. However, for cameras with poor previews, low resolution previews are the downside. But, as I wrote Nitro has features to reduce the issue.
The previews themselves can be large and the app uses a high quality setting when making them, which leads to disk space use. I have considered adding a preference to control the preview quality. Maybe in the future, but I think it causes as many problems as it solves.
Nik BhattKeymasterThe app might not save them as soon as you go to Edit, but as soon as you go to another image or return to the grid, it should save them.
So in general, I do not know of any cases where the app fails to save keywords for a file (eventually)
Can you list a series of steps that does not save the keywords?
Nik BhattKeymasterI still don’t understand what you are reporting. You import to a folder using Image Capture and some files are grayed out in Nitro? If so, can you double-click them in the Finder?
Nik BhattKeymasterYes, I’m aware of the issue. On iOS, pCloud and other cloud services work by creating plug-ins / apps that connect to Files.app. They are not accessible to apps in general.
There are two cases:
1) You want to access a file in pCloud – no problem – that works out of the box
2) You want to access a folder and its contents in pCloud – big problem.Nitro only accesses folders, because of the need to read and write sidecars. It has to be able to write new files to the folder.
To access the folder and its contents, I have to write special code that talks to pCloud. And then write special code for Dropbox, …
The app has to handle the downloading and such which is more complex because of the sidecars.
I haven’t written all of that code yet, but will at some point. I will start with iCloud Drive and then build from there.
Nik BhattKeymasterAre you saying that the images copied from the card are not written properly to the Finder by Image Capture? Or is the user interface drawing the thumbnail incorrectly?
Nik BhattKeymasterI will look into providing an auto-add feature for keywords. Thanks for bringing it up.
Nik BhattKeymasterYes, that’s possible. I will put it on the list for a future release. The cache grows to store thumbnails and previews for faster display. You can also clear the cache using the Settings interface (near the bottom).
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