QuickLook brings macOS Quick Look-style instant file previews to Windows, activated by pressing Space. It supports over 100 formats including images, videos, documents, code, and archives, and integrates with File Explorer, Open/Save dialogs, and third-party file managers. It is extensible with plugins.
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RAWGraphs is a free and open source tool for data visualization. It is a web app that offers almost 30 visual models to visualize quantities, hierarchies and time series. Data inserted is processed only by the web browser, and projects can be saved or exported as vector or raster images.
RecoverPy is a terminal tool that scans raw partitions and disk images for byte patterns to locate deleted or overwritten file content. Users can inspect matching disk blocks, navigate adjacent blocks and save useful content. It does not interpret filesystem structures or restore filenames.
SankeyMATIC is an online Sankey diagram builder created in 2014 by Steve Bogart. Users enter flows in a Source [Amount] Target format and adjust diagrams with interactive controls. Diagrams can be exported as PNG or SVG images, and work can be saved as a plain text file. Data processing happens locally in the browser.
Scanner is a Windows application for WIA-compatible scanners that saves multiple pages as a single PDF or separate images. It includes a built-in editor for cropping, rotating, drawing with Windows Ink, renaming files and deleting or reordering pages, and is available in the Microsoft Store.
Scanner is an all-in-one scanner app built for the Universal Windows Platform. It works with WIA-compatible scanners, saves multiple pages as a PDF or separate images, and includes a built-in editor for cropping, rotating, drawing and highlighting, plus PDF page reordering.
Sejda is an online PDF service offering an editor and over 30 PDF tools, including merging, splitting, compressing, cropping, filling and signing, and converting PDFs to images or Word. It works online or offline, in the cloud or as a desktop application, with no installation required. Developer documentation covers an HTML to PDF API and 'Save as PDF' links for websites.
Silk is an interactive generative art tool that enables users to create flowing digital artworks. Users can drag colors to blend, toggle mirror across center on/off and spiral towards center on/off, save created images via right-click, and undo actions. It was created by Yuri Vishnevsky, with music and sound crafted by Mat Jarvis. Art shared via Silk is licensed under Creative Commons.
Spectacle is a KDE application for capturing desktop screenshots. It can capture the entire desktop, a single monitor, the active window, the window under the mouse, or a rectangular region, and the images can be printed, sent to other applications, or saved.
Steganography is an open-source browser tool for hiding encrypted messages inside images. Users supply an image by URL or local file in WEBP, PNG, GIF or JPEG format and an optional password; the output image is saved in WEBP format. The page runs with no ads, logs, telemetry or server components.
Yomu AI is an academic writing assistant for essays, papers, literature reviews and theses. It offers a document assistant for drafting sections, AI autocomplete, editing commands such as paraphrase and summarize, citation finding and formatting, a plagiarism checker, and chat with PDFs and images. Sources can be saved to a library and reused across documents. It is described as free to try with no credit card required.
A web tool for downloading YouTube and Vimeo thumbnail images. Users enter a video URL and can save thumbnails at all quality levels, including HD, for free. It also offers a free YouTube thumbnail resizer.