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NextGenUp
What it is
NextGenUp is a free image and video upscaler for macOS, Windows 10/11, and Linux, with a self-hosted web app option. It processes files on the user's hardware: models, FFmpeg, and the server run locally, and files do not leave the computer. Image modes include Quick, Quality, Enhance, and Ultra, with image scaling available up to 8K. Video upscaling reaches 4K and offers basic and professional AI modes. Enhance reduces noise and blur at the original resolution rather than enlarging an image, while GFPGAN v1.4 detects faces and restores detail. Real-ESRGAN is used for super-resolution. Processing uses the CPU by default, with GPU acceleration when available; the browser app can use WebGPU on Chrome or Edge 113 and later. The MIT-licensed software requires no subscription, watermark, or account. The web app limits files to 2 GB and automatically removes older processed files after 24 hours. The listed output format is PNG.
For and against
For
- Processes files locally on the user's hardware.
- Image modes scale up to 8K.
- Video upscaling reaches 4K.
- No subscription, watermark, or account is required.
- MIT-licensed software.
Against
- Web files are limited to 2 GB.
- Older processed web files are removed after 24 hours.
- Browser WebGPU support is listed for Chrome or Edge 113 and later.
The verdict
NextGenUp combines local image and video upscaling with face restoration and an Enhance mode that keeps the original resolution. Its web-file size and retention limits are worth noting if using the browser option.
Who it suits
NextGenUp suits people who want to upscale images or video while processing files on their own hardware. Its desktop and self-hosted web options may fit users who need image scaling up to 8K or video scaling up to 4K.
Plans and prices
Free
Open-source MIT license · No subscription · No watermark · No account required
Read 20 Sep 2026 · matily.org
NextGenUp Free
Read 27 Sep 2026 · matily.org
On the record
- Batch processing
- Users can queue a folder of images and export the results together as a ZIP file.matily.org · read 27 Sep 2026
- Browser support
- The browser app can use WebGPU on Chrome or Edge 113 and later.matily.org · read 27 Sep 2026
- Company facts
- Matily is a non-profit software studio based in Salt Lake City, founded and maintained by Ripon Chandra Malo.matily.org · read 27 Sep 2026
- Desktop app
- Desktop apps bundle the engine, FFmpeg, and models inside the application.matily.org · read 27 Sep 2026
- Licensing and certification
- The project is MIT licensed and fully auditable on GitHub; no encryption certification is stated.matily.org · read 27 Sep 2026
- Enhance mode
- Enhance mode removes noise and blur at the original resolution without enlarging.matily.org · read 27 Sep 2026
- Face restoration
- GFPGAN v1.4 detects faces and restores detail that generic upscaling misses.matily.org · read 27 Sep 2026
- Free tier limits
- No trial limit; web files are limited to 2 GB and older processed files auto-clean after 24 hours.matily.org · read 27 Sep 2026
- GPU support
- CPU is used by default; GPU acceleration is automatic when available, with WebGPU in supported browsers.matily.org · read 27 Sep 2026
- Local processing
- Models, FFmpeg, and the server run on the user's hardware; files never leave the computer.matily.org · read 27 Sep 2026
- Image upscaling
- Images can be upscaled to 8K using Quick, Quality, Enhance, or Ultra modes.matily.org · read 27 Sep 2026
- Models and runtime
- Uses Real-ESRGAN, GFPGAN v1.4, YuNet, ONNX Runtime, FFmpeg, and Tauri.matily.org · read 27 Sep 2026
- Pricing model
- Free and open source with no subscription or watermark.matily.org · read 27 Sep 2026
- Privacy and security
- Processing is local, with no cloud uploads, external processing calls, tracking, telemetry, or analytics.matily.org · read 27 Sep 2026
- Support channels
- Support is provided through GitHub stars, issues, pull requests, email, and LinkedIn.matily.org · read 27 Sep 2026
- Supported platforms
- macOS, Windows 10/11, Linux, and a self-hosted web app accessible on a network device.matily.org · read 27 Sep 2026
- Trial and refund
- There is no trial limit; the page does not state a refund policy.matily.org · read 27 Sep 2026
- Video upscaling
- Video can be upscaled to 4K with basic and professional AI modes.matily.org · read 27 Sep 2026
