OpenPixels
OpenPixels is a browser-based photo enhancement application for enlarging and restoring photographs. It can upscale images by 2×, 4× or 8×, sharpen soft pictures, reduce grain and JPEG compression artefacts, restore faces, colourise black-and-white photos, and remove or whiten backgrounds. Images are processed on the user's device rather than uploaded, and the web app can work offline after it and the selected models have loaded. Users can compare before-and-after results, review sharpness, noise and other measurements, and save edited images. Batch processing handles multiple photos and provides ZIP downloads with measurement data. OpenPixels is also available as apps for Windows, macOS and Android, with Chrome and Firefox extensions. It is free, open source and requires no account.
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Photon Studio
Photon Studio is a free desktop photo-editing and design application for photographers, retouchers, illustrators, and other creative users working with raster images. It provides layered editing, selections, masks, retouching, color and RAW adjustments, filters, text, vector shapes, artboards, and batch actions. The application opens and saves PSD and PSB files with layers and supports common image formats, familiar Photoshop-style tools, and keyboard shortcuts. AI-assisted selections and background removal run locally on the user's computer. Photon supports offline workflows, a command-line interface, and an MCP server that lets compatible coding assistants and agents work with documents. Available for macOS, Windows, and Linux, it stores files locally and does not require an account for normal use. Photon is suitable for personal and commercial creative work.
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PhotoCraft
PhotoCraft is a free, open-source raster image editor for photographers, digital artists, designers, and other creative users. It provides layers, masks, adjustment layers, layer styles, text, vector tools, and brushes in a native desktop application, with a WebAssembly build that can be hosted separately. Users can make non-destructive edits with adjustment layers and live-preview filters, select subjects and objects on-device, and refine masks locally. The editor opens and saves layered PSD and PSB documents, supports smart objects and smart filters, and includes color-management tools for RGB, CMYK, Lab, and grayscale documents at 8-, 16-, and 32-bit depths. PhotoCraft is available for macOS, Windows, and Linux, and is distributed as free, open-source software.
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LightCraft
LightCraft is an open-source photo library and RAW editor for photographers who want to organize and develop images locally. It imports photos into albums and folders and supports ratings, flags, metadata search, sorting and duplicate detection. Non-destructive tools cover exposure, tone and color adjustments, crop and geometry, presets, black-and-white conversion, and local masks. It reads multiple camera RAW and common image formats and exports JPEG, PNG, TIFF, WebP and DNG. Users can compare edits, synchronize settings across selected photos, and create contact sheets. LightCraft runs on macOS, Windows and Linux; a WebAssembly build can be self-hosted. A command-line interface, JSON control channel and MCP server support automation. The library is stored locally, without an account or cloud service.
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