Squoosh is a browser-based image optimizer for compressing and comparing images with different codecs. Images are processed locally and never leave the device. Users open an image, inspect differences, and save, with settings adjustable for smaller files.
SEOPIX is a browser-based tool for compressing, resizing and editing JPEG and PNG images for the web. The site states that images are processed on the client side and are not uploaded, with no filesize limit. The tool is described as free.
Bulk Image Compressor is an online tool for compressing multiple JPG, JPEG, PNG and WebP images at once. Files are processed without uploading, and no signup is required. The tool also offers options to set a target size in KBs and a maximum width and height in pixels.
CompressImage is a browser-based tool for compressing JPEG, PNG, GIF and WebP images. The site states that compression runs offline in the browser and that images are not uploaded to a server. It offers settings for quality, maximum width or height, conversion to WebP, metadata stripping and IDs removal. Files can be downloaded individually or together as a ZIP.
TinyPNG is a free online image optimizer that reduces the file size of AVIF, WEBP, JPEG and PNG images using lossy compression. The service includes a developer API, a CDN, and a WordPress plugin. The online tool accepts up to 20 images of up to 5 MB each.
Screenshot.Rocks is a free browser-based tool for making screenshots. It places a screenshot in a browser window or iPhone frame, adds a background and markup, and exports the result. No sign-up is required, and images are processed in the browser rather than stored on servers.
qView is a free and open-source image viewer for Windows, macOS and Linux designed for minimalism and practicality. It supports common image formats including bmp, gif, jpg, png, tiff and webp, and offers animated GIF controls, file history, rotation and mirroring, and multithreaded preloading. It is based on Qt5 and released under the GPLv3 license.
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SEOPIX is a browser-based tool for compressing, resizing and editing JPEG and PNG images for the web. The site states that images are processed on the client side and are not uploaded, with no filesize limit. The tool is described as free.
Bulk Image Compressor is an online tool for compressing multiple JPG, JPEG, PNG and WebP images at once. Files are processed without uploading, and no signup is required. The tool also offers options to set a target size in KBs and a maximum width and height in pixels.
CompressImage is a browser-based tool for compressing JPEG, PNG, GIF and WebP images. The site states that compression runs offline in the browser and that images are not uploaded to a server. It offers settings for quality, maximum width or height, conversion to WebP, metadata stripping and IDs removal. Files can be downloaded individually or together as a ZIP.
TinyPNG is a free online image optimizer that reduces the file size of AVIF, WEBP, JPEG and PNG images using lossy compression. The service includes a developer API, a CDN, and a WordPress plugin. The online tool accepts up to 20 images of up to 5 MB each.
Screenshot.Rocks is a free browser-based tool for making screenshots. It places a screenshot in a browser window or iPhone frame, adds a background and markup, and exports the result. No sign-up is required, and images are processed in the browser rather than stored on servers.
qView is a free and open-source image viewer for Windows, macOS and Linux designed for minimalism and practicality. It supports common image formats including bmp, gif, jpg, png, tiff and webp, and offers animated GIF controls, file history, rotation and mirroring, and multithreaded preloading. It is based on Qt5 and released under the GPLv3 license.
