Most repeated positive
13authors
A complete feature set
“cleanshotx - scrolling screenshots is much more robust.”Evidence: r/macapps · Shottr vs CleanShot X in 2026. Which one are you actually sticking with?
Purchase research
FreeScaler for Mac
FreeScaler is a free and open source tool used to upscale low resolution images using advanced AI models. UPSCALE AN IMAGE It's a very simple tool, you just need to import a PNG or JPEG image, choose your favorite model and scale, and you'…
Official release history
Recent updates
Release notes parsed from trusted records and kept on this page. History provides context; a future Watch alert starts from a fresh baseline.
FreeScaler version 1.0.1Mac App Store · macOS 11.3 or later
- Added batch upscale. Import a folder to upscale all PNG and JPEG images at once
- Added "Stop" button to cancel upscale
- Added Finder Service: right click on a file/folder to start upscaling
- Improved GUI
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CleanShot X
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Most repeated concern
16authors
Per-device pricing
“I don't think it makes sense to spend the money for Cleanshot when other apps do most of what it does for a lot less or free.”Evidence: r/macapps · Shottr vs CleanShot X in 2026. Which one are you actually sticking with?
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What FreeScaler says it does
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FreeScaler
FreeScaler is a free and open source tool used to upscale low resolution images using advanced AI models.
UPSCALE AN IMAGE It's a very simple tool, you just need to import a PNG or JPEG image, choose your favorite model and scale, and you're done. An intuitive interface allows you to efficiently compare the original and the upscaled image.
BATCH UPSCALE Drag a folder from the macOS Finder to upscale all images at once. Preview and compare upscaled images while to batch procedure is running, share or save a single image or all images at once.
FINDER INTERACTION A Finder service allows you to upscale an image or all images in a folder from the Finder's contextual menu
PRIVACY FIRST FreeScaler respects your privacy: no data or usage statistics is collected, no ads, no need to upload your images to a remote server. Everything is kept on your device.
FREE AND OPEN SOURCE FreeScaler is a free and open source app based on open source tools realesrgan-ncnn-vulkan and realsr-ncnn-vulkan. FreeScaler app bundle includes pre-built binaries for both tools.
Source code for these tools is available here: - realesrgan: https://github.com/xinntao/Real-ESRGAN - realsr: https://github.com/nihui/realsr-ncnn-vulkan
FreeScaler source code is available here. - https://github.com/TheMurusTeam/FreeScaler
DESIGNED FOR macOS FreeScaler is a Cocoa/Swift app and is available exclusively on macOS. All components run natively on both Apple Silicon and Intel Macs.
HARDWARE REQUIREMENTS FreeScaler requires a computer with at least 8GB RAM. Supported GPUs: Apple Silicon, AMD, nVidia Intel GPU are not supported.
What's New
- Added batch upscale. Import a folder to upscale all PNG and JPEG images at once - Added "Stop" button to cancel upscale - Added Finder Service: right click on a file/folder to start upscaling - Improved GUI
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