PictureViewer is not available for iPhone but there are a few alternatives with similar functionality. The best iPhone alternative is ImageMagick, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 25 alternatives to PictureViewer, but unfortunately only two of them are available for iPhone. If you can't find an alternative you can try to remove all filters.
ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
Native macOS app for viewing, annotating, and editing images and PDFs, featuring tools for cropping, rotating, resizing images, rearranging pages, full-screen viewing, markup, document merging, batch conversion, and export in multiple formats.
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