upscale-photo

Free open-source AI image & video upscaler. Upscale photos to 8K and videos to 4K locally with Real-ESRGAN + GFPGAN face restoration. A free Topaz Gigapixel / Video AI alternative for macOS, Windows & Linux — no cloud, no watermark, no subscription.

nespatch is a tool for using file services without visiting their webpages or desktop apps

A fully local AI photo inpainting & upscaling desktop app.

A node designed specifically for image editing models—supporting tiled refinement, editing, and upscaling—compatible with FLUX.3/FLUX.2 klein, Qwen-Image 2.1 / Edit 2509 / 2511, Krea 2+lora and Moss +lora, while ensuring cross-tile consistency.

open-source, browser-native image editor that combines traditional layer-based editing with ComfyUI integration and AI tooling.

Images look blurry on a 4K/HiDPI screen over 100% display scaling, or on Retina? The browser upscales them with a cheap bilinear filter. This resamples them with a real Lanczos3 filter on the GPU instead. No third-party requests; nothing leaves your browser. Built for manga, comics, and webtoons, works anywhere.

AI-powered image upscaler — enhance photos up to 4x resolution, free, no signup, no watermark.

Local free AI upscaling

GUI configurator for Reline library

Modular, memory-aware AI image editing toolkit powered by SAM2, FLUX, OmniPaint, and Real-ESRGAN

A portable, offline AI image upscaler for Windows that enlarges images up to 8× while preserving transparency.

ONNX tests in Love2D (Lua): inpainting, upscaling, background removal, colorization

Self-host an app that lets you upscale images to 4k or 8k.

基于 NVIDIA RTX VSR 神经网络的轻量 AI 图片放大 Windows 桌面工具，支持 X1/X2/X4 倍率，Tauri 2 构建。

GIMP-level image editor for Android.

Upscale Studio is a Windows desktop application for batch image upscaling. It provides a PySide6 GUI and uses the upstream nunif/waifu2x PyTorch backend for the actual ML processing.

MambaIR and MambaIRv2 support for ComfyUI

Tessera is a open-source AI desktop image enhancer built for maps, text, and photos. Featuring a dual smart-math and AI pipeline, Tessera combines classical edge sharpening with line-art and photo models. Scale up to 16x with custom double-pass, TTA, and auto-polish modes for razor-sharp map labels or natural photo restoration.

AI image upscaler that enhances images 4× and exports JPEG files of at least 4 MB, with single-image and ZIP batch processing.

Содержит легкие обученные модели для апскейла и для денойза и улучшения на слабых устройствах