iWatermark
iWatermark Pro adds visible and invisible marks to photos as a way to identify ownership and help protect copyright.
What iWatermark is
iWatermark Pro adds visible and invisible marks to photos as a way to identify ownership and help protect copyright. Mark options include text, curved text, banners, logos or bitmaps, vector and line marks, QR codes, borders, metadata, and steganographic watermarks. It can process an unlimited number of photos in batches while retaining color profiles and EXIF/IPTC data. The app also handles resizing, renaming, thumbnail creation, input filtering by size, resolution, or format, and output settings. Supported inputs include RAW, JPG, PNG, TIFF, GIF, DNG, and PSD; outputs include JPG, PNG, TIFF, PSD, BMP, and JPEG 2000. Metadata features cover XMP, EXIF, IPTC, and Google Search metadata. The Mac edition supports AppleScript, while the Windows edition offers an Explorer context-menu extension. Free plans and trial software are listed for Mac, Windows, iOS, and Android. The Mac version does not support WebP.
Good
- Supports visible and invisible watermark types.
- Batch processing handles an unlimited number of photos.
- Preserves color profiles and EXIF/IPTC data in batches.
- Offers free plans and trial software across four platforms.
- Resizes, renames, and creates photo thumbnails.
Watch out
- Mac version does not support WebP.
- Unreadable files may not appear in the input scan log.
- Mac purchase price is not shown on the product page.
- License registration may take a day or two.
Who it suits
It suits photographers, stock image services, social media sellers, and people protecting client deliveries or portfolios. The maker also lists Creative Commons licensing as a use case.
Verdict
iWatermark Pro combines a broad set of watermark types with batch processing and photo preparation tools. Check platform-specific compatibility, especially if WebP files are part of a Mac workflow.
Plans and prices
From iWatermark's own pricing page, checked 29 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| iWatermark Pro for Mac | — | Manual says $30; product page’s purchase section does not show a price |
The facts
Each one read from iWatermark's own pages, with the date it was checked.
What it does
- Batch processing
- It can batch process an unlimited number of photos and preserve color profiles and EXIF/IPTC data.checked 29 Sep 2026
- Compatibility limitation
- The changelog says WebP is not supported by the Mac version and unreadable files such as WebP may not be reported in the input scan log.checked 29 Sep 2026
- Editing options
- The app can resize and rename photos, create thumbnails, filter inputs by size, resolution, or format, and apply output settings.checked 29 Sep 2026
- Image formats
- Listed input formats are RAW, JPG, PNG, TIFF, GIF, DNG, and PSD; listed output formats are JPG, PNG, TIFF, PSD, BMP, and JPEG 2000.checked 29 Sep 2026
- Integrations
- The Mac version is AppleScriptable, and the Windows version has a Windows Explorer shell extension for applying watermarks from the context menu.checked 29 Sep 2026
- Metadata
- It supports XMP, EXIF, IPTC, and Google Search metadata, including adding or removing metadata and using metadata tags as watermarks.checked 29 Sep 2026
- Performance
- The page describes the app as 64-bit and multithreaded, using multiple CPU/GPU cores for parallel processing.checked 29 Sep 2026
- Purchase and registration
- The Mac product page says payment is via PayPal and states that license registration may be handled manually and take a day or two.checked 29 Sep 2026
- Support
- The maker directs users to its manual and support page and asks them to include the app and OS versions and steps to reproduce technical problems.checked 29 Sep 2026
- Watermark types
- The product page lists text, curved text, banner, bitmap or logo, vector, line, QR, border, metadata, and steganographic watermarks.checked 29 Sep 2026
- What it does
- iWatermark Pro adds visible and invisible watermarks to photos to help protect copyright.checked 29 Sep 2026
- Who it is for
- The maker lists professional photographers, stock photo sites and agencies, social media sellers, client delivery, portfolio protection, and Creative Commons licensing as use cases.checked 29 Sep 2026
The company
- Headquarters
- Kailua Kona, Hawaii, United Stateschecked 28 Sep 2026
- Maker
- Plum Amazing, LLC describes itself as a US-based company with global offices and says it has made software since 2007, preceded by Script Software from 1995.checked 29 Sep 2026
Money
- Trial
- The maker’s watermark software page says free trial software is available for Mac, Windows, iOS, and Android, without stating a trial duration.checked 29 Sep 2026
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