🩹 Bugfix / Improvements 🌍 Global Compatibility Universal Language Support : Improved stability for users worldwide, fixing potential crashes on systems with non-English regional settings (such a...

🚀 What's New 🛠️ Backend updates Updated to Python 3.14 (+5% overall performance) Updated AI engine to version 1.24.4 (bugfixes and better AI performance) 🧠 Updated AI models All AI models u...

▼ NEW New versioning convention QualityScaler now follows a [year.version] format For example, 2026.1 represents the first release of 2026 New AI models LVAx2 : ultra-fast model for upscaling with l...

QualityScaler 4.9 changelog. ▼ BUGFIX / IMPROVEMENTS General improvements Various bug fixes and code cleanup Updated dependencies for improved stability and compatibility ▼ VirusTotal https://www...

QualityScaler 4.8 changelog. ▼ BUGFIX / IMPROVEMENTS General improvements Fixed an issue with upscaled video frame loss, particularly on very fast PCs or when using AI multithreading with high value...

QualityScaler 4.7 changelog ▼ BUGFIX / IMPROVEMENTS Video upscaling improvements Improved memory management for video upscaling Fixed a disk I/O bottleneck during frame saving, leading to significan...

▼ BUGFIX / IMPROVEMENTS Administrator Permissions Required 🔒 QualityScaler now requires administrator permissions to work This change fixes a bug that was preventing access to the DirectML librar...

QualityScaler 4.5 changelog. ▼ BUGFIX / IMPROVEMENTS New video frames extraction system ⊡ Introduced a new frame extraction engine based on FFmpeg ⊡ Up to 10x faster thanks to full CPU utilizati...

QualityScaler 4.4 changelog. ▼ BUGFIX / IMPROVEMENTS AI Engine Update (v1.22) ⊡ Upgraded from version 1.17 to 1.22 ⊡ Better support for newer GPUs (Nvidia 4000/5000, AMD 7000/9000, Intel B500/B...

▼ BUGFIX / IMPROVEMENTS Video upscaling improvements ⊡ Fixed a bug that caused upscaling to fail when using high AI multithreading settings ⊡ Optimized AI multithreading behavior for high thread...

▼ BUGFIX / IMPROVEMENTS Fix video encoding issue ⊡ Fixed a problem that did not allow the creation of the upscaled video with special characters in the path...

▼ NEW Completely redesigned GUI ⊡ The app now presents file information more clearly ⊡ Many widgets have been repositioned and grouped by functionalities ⊡ All info widgets have been improved...

QualityScaler 3.12 changelog. ▼ NOTE Nvidia GPUs optimizations ⊡ Is essential to enable Windows Hardware Accelerated GPU scheduling option ⊡ This option can dramatically improve upscale performa...

QualityScaler 3.11 changelog. ▼ NEW AI models update ⊡ Updated AI models using updated tools ⊡ This led to have slightly better upscale quality GPU Auto selection ⊡ Added new "Auto" option in...

QualityScaler 3.10 changelog. ▼ BUGFIX / IMPROVEMENTS FFMPEG audio passthrough ⊡ This feature allows audio to be processed without any alterations (lossless quality) ⊡ Supports multiple audio st...

QualityScaler 3.9 changelog. ▼ NEW AI engine improvements ⊡ Removed "Full precision" and optimized AI models only for "Half precision" ⊡ This resulted in lower VRAM memory usage and better perfo...

QualityScaler 3.8 changelog. ▼ NEW Video upscale STOP&RESUME ⊡ Now is possible to stop and resume the video upscale process at any time ⊡ When restarting (with same settings) the app will checks...

QualityScaler 3.7 changelog. ▼ NEW Antivirus problem fix ⊡ After contacting Microsoft, Avast and AVG ⊡ QualityScaler will finally no longer be recognized as Malware by these antivirus IRCNN AI i...

QualityScaler 3.5 changelog. ▼ NEW Multiple GPUs support ⊡ It's now possible to select up to 4 GPUs for AI acceleration ⊡ Based on the GPU index (visible in the Windows Task Manager) AI models...

QualityScaler 3.4 changelog. ▼ NEW AI multithreading ⊡ Is now possible to upscale multiple video frames simultaneously ⊡ This option can improve video upscaling performance, especially with powe...

QualityScaler 3.2 changelog ▼ NEW Multi GPU support ⊡ Reintroduced the possibility to choose the GPU used for AI upscale ⊡ Is possible to choose between "High power GPU" and "Power Saving GPU"...

QualityScaler 3.1 changelog. ▼ NEW FFMPEG 6.1.1 ⊡ Updated FFMPEG to latest release 6.1.1 (from 4.2) ⊡ A long list of optimizations and bugfixes ⊡ Better support for newer cpus ⊡ Improved qua...

QualityScaler 3.0 changelog. ▼ NEW New AI engine ⊡ 2x faster, up to 3x on powerful GPUs ⊡ Uses 50% less VRAM ⊡ Automatically selects the most powerful GPU ⊡ More supported and frequently upd...

◁ USER INTERFACE ▷ GUI code reorganization ⊡ Code cleaning and GUI fixes (fonts, buttons) ⊡ Added some function for future developments ◁ BUGFIX / IMPROVEMENTS ▷ VRAM limiter ⊡ VRAM limi...

QualityScaler 2.12 changelog. GUI Redesigned info and error widgets now much more elegant and readable added new information for each widget highlighted the default value for each widget BUGFIX / IMPR...

QualityScaler 2.11 changelog. NEW Updated exiftool to version 12.70 Support for metadata copy from original videos to upscaled videos Added more Interpolation options Low ( 30% original / 70% upscaled...

QualityScaler 2.10 changelog. GUI / UI Updated info texts, giving more information Input Resolution % default value changed to 60% Image output default value changed to .png Interpolation default valu...

QualityScaler update 2.9 BUGFIX / IMPROVEMENTS For AMD gpu users, I recommend upgrading to driver 23.11.1 which contains performance improvements for DirectML-based applications Improvements for video...

QualityScaler 2.8 changelog. NEW Added support for SAFMN AI architecture ( https://github.com/sunny2109/SAFMN ) Lightweight AI architecture Very high upscale quality Does not support Half-precision Tw...

QualityScaler 2.7 changelog. BUGFIX/IMPROVEMENTS Downgraded pyinstaller, as it was causing some antivirus to false-positive by reporting the app as a trojan Updated dependencies Changed the dependency...

QualityScaler 2.6 changelog NEW Support for .heic images Added metadata copy from original file to upscaled file via exiftool GUI Completely revised GUI, now cleaner and more elegant Added new widgets...

QualityScaler 2.5 changelog NEW Added 2 new RRDB AI models BSRGANx2 RealESRGANx4 Added support for SRVGGNetCompact (fast and lightweight AIs with good-quality upscale) RealESR_Gx4 RealSRx4_Anime Remov...

QualityScaler 2.4 changelog. NEW Completely rewrote the frame resizing algorithm there is no more frame resizing phase, rather frames are resized during AI operations this change allows to save time a...

QualityScaler 2.3 changelog. NEW Completely rewrote the tile management algorithm: cutting an image into tiles is ~60% faster tiles now also support transparent images tiles are no longer saved as fil...

QualityScaler 2.2 changelog. NEW Added a new AI Mode widget, which allows you to choose between two modes: Full precision (>=8GB Vram recommended) compatible with all GPUs 50% more GPU memory than Hal...

NEW Added 6 new AI models (they offer different upscale results, try and choose the one you prefer): BSRNetx4 RealSR_DPEDx4 RRDBx4 ESRGANx4 FSSR_JPEGx4 FSSR_DPEDx4 GUI Changed dropdown menus font and...

QualityScaler 2.0 changelog. THANKS ❤ I want to sincerely thank the people who support and will support this work (financially and otherwise). Thank you for allowing me to learn how to develop these...

QualityScaler 1.14 changelog. Image/frame tilling improvements: the vram limit is now more accurate the image or frame is less likely to be split, this results in higher image quality Updated dependen...

CHANGELOG 1.13 NEW The app is now offered in 2 different packages: Portable .exe | single, portable .exe file Portable folder | portable folder with all libraries, files and utilities BUGFIXES / IMPRO...

QualityScaler 1.12 changelog. NEW The app is now a single, portable .exe: no more confusing directory with lots of files Completely rewrote the image splitting function (when the whole image does not...

QualityScaler 11.0 changelog. NEW Added a description for each widget, accessible via special button next to each widget When selecting 100% as Input Resolution, resizing phase will be skipped (for vi...

Qualityscaler 10.0 changelog: NEW Totally reworked tiles/join function (when image/frame does not fit entirely in VRAM): tiles cut and join is now faster for images and video frames In addition to a g...

Changelog 9.0 NEW Video frames extraction is now x10 faster New file extension - bmp / tiff / jp2 (jpeg2000) - for upscaled image and frames Performance improvements, now upscaling is ~10% faster Rewr...

CHANGELOG 8.0. NEW Support for transparent png images (IMPORTANT) Rewritten video-frame extraction using multi-thread approach now much faster Rewritten video frame resize using multi-thread approach...

Better upscale quality / GUI improvements / Fix bugs (3.0) NEW when the image does not fit memory now will split by factor 3 instead of 2 simplified upscale process: only one model BSRGAN (with better...

Speed improvements / GUI improvements (2.2.0) NEW new x0.5 upscale factor, usable for really big images switched from .png to .jpg for internal management of images and video frames. This resulted in...

QualityScaler - Image/video deeplearning upscaler app for Windows Requirements. Windows 11 / Windows 10 Ram >= 8Gb Directx12 compatible GPU any AMD >+ Radeon HD 7000 series any Intel HD Integrated >=...

New New Fused AI model, which combine the two AI models to produce even better upscale (and reduce Tiles/Merging artifacts) New behavior of Tiles/Merging function: if the image enters entirely into VR...