# VeprIT > VeprIT builds photo and video apps for Mac, iPhone, and iPad: slideshow creation, batch image conversion and resizing, photography workflow, and photo culling tools. Founded in 2011. All apps are available on the Apple App Store / Mac App Store. ## Apps - [SlideFlow](https://veprit.com/slideflow/): Create beautiful photo and video slideshows on iPhone, iPad, and Mac. Instant playback, play or cast to DLNA TVs, music, transitions, filters, and video export (720p/1080p/4K). Free to download (unlimited trial mode with self-promotions; full access via subscriptions or lifetime purchase). Requires macOS 14.0+ / iOS 17.0+. App Store: https://apps.apple.com/app/id1317543053 - [iSize](https://veprit.com/isize/): Advanced image resizer and converter for iPhone and iPad. Resize by dimensions, megapixels, or target file size; convert between JPEG, HEIC, TIFF, PNG, and more; edit metadata. Free to download (unlimited trial mode watermarks exported images; full access via subscriptions or lifetime purchase). Requires iOS/iPadOS 15.0+. App Store: https://apps.apple.com/app/id1597353368 - [iBatch](https://veprit.com/ibatch/): Flexible batch image converter for Mac. Resize, crop, convert, watermark, and enhance many images at once. Successor of Resize Sense and Watermark Sense. App Store: https://apps.apple.com/app/id6447968109 - [Photo Sense](https://veprit.com/photosense/): Lightweight photography workflow app for Mac. Cull photos, process RAW, edit non-destructively, batch process, and export with advanced options. Works with files or the Apple Photos Library. App Store: https://apps.apple.com/app/id1564111867 - [iPick](https://veprit.com/ipick/): Compare similar photos side-by-side on Mac, iPhone, and iPad. Zoom on faces, pick the best shots, and clean up your photo library. App Store: https://apps.apple.com/app/id6755351977 ## Discontinued Apps - [Resize Sense](https://veprit.com/resizesense/): Batch image resizing and cropping for Mac. Replaced by iBatch. - [Watermark Sense](https://veprit.com/watermarksense/): Batch image watermarking for Mac. Being replaced by iBatch. ## App Guides & Tutorials - [Photo Sense tutorials](https://veprit.com/photosense/tutorials/): Photo management and editing tutorials - [Photo Sense vs iBatch](https://veprit.com/photosense/photosense-vs-ibatch/): Which app to choose - [Manage Photos on Mac with Photo Sense](https://veprit.com/photo-sense/manage-photos-on-mac-with-photo-sense/) - [Edit Photos on Mac with Photo Sense](https://veprit.com/photo-sense/edit-photos-on-mac-with-photo-sense/) - [Is Photo Sense a Lightroom Alternative for Mac?](https://veprit.com/blog/lightroom-alternative/) ## Photography Guide - [Photography Guide index](https://veprit.com/photography-guide/) - [Basic Photography Concepts: Aperture, Shutter Speed, ISO Speed, Exposure](https://veprit.com/blog/basic-photography-concepts-aperture-shutter-speed-iso/) - [Basic Photo Shooting](https://veprit.com/blog/photo-shooting-basics/) - [How to improve your photography?](https://veprit.com/blog/how-to-improve-your-photography/) - [What is Image Histogram? How to Use It?](https://veprit.com/blog/what-is-image-histogram-using-histogram/) - [Flash Photography - How to Use Camera Flash](https://veprit.com/blog/flash-photography/) - [Low Light Photography - Night Photography](https://veprit.com/blog/low-light-photography/) - [Why is Photo Post-Processing Necessary?](https://veprit.com/blog/photo-postprocessing/) - [How to Reduce Image File Size](https://veprit.com/blog/reduce-image-file-size/) - [What are Megapixels? How Many do I Need?](https://veprit.com/blog/what-are-megapixels-how-many-i-need/) ## Optional - [Blog](https://veprit.com/blog/): All news, tutorials, and photography tips - [RSS feed](https://veprit.com/rss.xml) - [Contact](https://veprit.com/contact/): Support and questions - [Sitemap](https://veprit.com/sitemap-index.xml)