--- {"title": "Icaros vs QuickLook in 2026: Windows file previews", "description": "Icaros vs QuickLook for designers on Windows: what each does, what its sources say about price and setup, and how SageThumbs 2K compares.", "url": "https://2dex.com/icaros-vs-quicklook/", "date": "2026-10-09"} --- Icaros vs QuickLook for designers on Windows: what each does, what its sources say about price and setup, and how SageThumbs 2K compares. Icaros can provide Windows Explorer thumbnails for essentially any video media format [^1]. QuickLook provides instant file previews by pressing Space [^2]. SageThumbs 2K adds Explorer thumbnails for 363 file types, including design, RAW and video [^3]. Prices for Icaros and QuickLook are not in the sources used here. | Option | Main job | Price | Windows versions | |---|---|---|---| | Icaros | Explorer thumbnails for video formats, plus Explorer properties [^1] [^1] | not published | Vista to Windows 11 [^1] | | QuickLook | Space-bar previews [^2] | not published | not published | | SageThumbs 2K | Explorer thumbnails for 363 file types, including design, RAW and video [^3] | Free for personal use [^3]; commercial US$2.99 a month or US$49 once [^3] | Windows 11 [^3] | ## The short answer Icaros can provide Windows Explorer thumbnails for essentially any video media format. [^1] QuickLook provides instant previews by pressing Space. [^2] For a designer who wants a quick look at images, QuickLook lists JPEG, PNG, GIF, WebP and RAW images. [^2] SageThumbs 2K adds Explorer thumbnails for 363 file types, including design, RAW and video. [^3] ## What Icaros and QuickLook are built for Icaros is described as a collection of lightweight Windows Shell Extensions. [^1] Icaros can register filetypes supported by FFmpeg along with a number of other filetypes it supports natively. [^1] Its shell extensions have no dependencies. [^1] QuickLook's page says you press Space to get an instant preview of a file. [^2] Its page says previews come with zero lag. [^2] It uses hardware-accelerated rendering. [^2] It lists ZIP, RAR, 7Z and TAR archives. [^2] It also lists Python, JavaScript, C++ and Rust code files. [^2] ## What SageThumbs 2K is built for SageThumbs 2K is made by the team that publishes this site. It adds Explorer thumbnails for 363 file types Windows can't render itself, including camera RAW, Photoshop PSD, HEIC/AVIF and video. [^3] For Photoshop, Affinity, AutoCAD DWG and CorelDRAW files it pulls out the preview already stored in the file. [^3] Images carrying an embedded ICC profile or wide-gamut tag (Display P3 / Adobe RGB) are converted into sRGB before display. [^3] The right-click menu can convert, resize, and losslessly rotate or flip images, and combine them into a PDF or CBZ. [^3] Explorer's Details pane gains image sizes, camera details and audio tags. [^3] Thumbnails work in OneDrive and Synology Drive folders without downloading online-only files. [^3] SageThumbs 2K says a corrupt or malicious file can't crash File Explorer. [^3] ## Pricing and fees Icaros: its sources used here give no price, so check its own page. QuickLook: no price is published in the sources used here either. SageThumbs 2K is free for personal, noncommercial use under the PolyForm Noncommercial License 1.0.0. [^3] Commercial use needs a per-installation licence: US$2.99 a month, or US$49 once for a perpetual licence with 12 months of updates. [^3] Business installs get a 7-day evaluation with every feature, after which thumbnails and previews stop until a licence key is entered. [^3] ## Getting started and everyday use Icaros 3.0.3 and earlier versions work partially on Windows XP, with thumbnails only. [^1] Its page also says the settings window, IcarosConfig, requires .NET Framework 4. [^1] Icaros provides Windows Explorer thumbnails for video formats. [^1] QuickLook's day to day use is pressing Space on a file to preview it. [^2] Its sources used here say nothing about installing it. SageThumbs 2K runs on Windows 11, with separate installers for x64 and ARM64. [^3] You can use a portable download that runs without administrator access. [^3] Its Space-bar preview comes switched on unless another Space-bar previewer is present. [^3] The right-click menu can be trimmed, reordered and regrouped by dragging [^3]. ## Things to check before you choose Which design formats do you open daily, such as PSD, Affinity, DWG or CorelDRAW? Check each tool's format list against them. Do you need Explorer thumbnails, a Space preview, or both? Check which of those each tool provides. Which Windows version do you run? Check it against each tool's stated support. Do you use the tool for paid work? Check the licence terms and price for commercial use. Do your files live in cloud folders? Check how each tool handles files that are online only. Do you need batch jobs such as resizing or combining images? Check whether the tool offers them. ## How to choose If you need Explorer thumbnails for video files, Icaros's page says it provides them. [^1] If you want a Space-bar preview across many formats, QuickLook's page says it supports 100+ formats. [^2] [^2] It pulls an embedded preview directly out of design and CAD files such as Photoshop, Affinity, AutoCAD DWG, and CorelDRAW with no rendering needed. [^3] From the right-click menu you can convert images, resize them, rotate or flip them losslessly, and combine images into a PDF or CBZ. [^3] It runs on Windows 11, with separate installers for x64 and ARM64. [^3] ## Frequently asked questions ### Is QuickLook the same as Icaros? They are described as doing different jobs. Icaros can provide Windows Explorer thumbnails for essentially any video media format. [^1] QuickLook gives previews when you press Space. [^2] QuickLook is described as giving previews when you press Space, so check which of these jobs you need. ### Which Windows versions does Icaros support? Its page also says the settings window, IcarosConfig, requires .NET Framework 4. [^1] Its shell extensions have no dependencies. [^1] The table above shows the Windows versions Icaros lists. ### What file types does QuickLook preview? QuickLook lists JPEG, PNG, GIF, WebP and RAW images. [^2] It lists MP4, AVI, MKV and MOV videos. [^2] It also lists documents, code, 3D models, archives and fonts. [^2] Check that your design formats are included before relying on it. ### Is SageThumbs 2K free? It is free for personal, noncommercial use. [^3] Commercial use needs a per-installation licence: US$2.99 a month, or US$49 once for a perpetual licence with 12 months of updates. [^3] Business installs get a 7-day evaluation with every feature, after which thumbnails and previews stop until a licence key is entered. [^3] ### Which tool previews Photoshop and DWG files? SageThumbs 2K's claims say it pulls an embedded preview out of Photoshop, Affinity, AutoCAD DWG and CorelDRAW files. [^3] The sources used here do not say whether Icaros or QuickLook handle those, so check their pages. It is free for personal, noncommercial use under the PolyForm Noncommercial License 1.0.0. [^3] - [Visit SageThumbs 2K](/go/icaros-vs-quicklook) ## Sources [^1]: Icaros, github.com/Xanashi/Icaros, read 2026-10-07 (https://github.com/Xanashi/Icaros) [^2]: QuickLook, github.com/QL-Win/QuickLook, read 2026-10-07 (https://github.com/QL-Win/QuickLook) [^3]: SageThumbs 2K's own description of itself (the product of this site's publisher) (/go/icaros-vs-quicklook)