HDRView is a research-oriented image viewer for examining and comparing high-dynamic-range images. It runs on macOS, Linux and Windows, with a slightly limited version in the browser, and offers live exposure, black-point and gamma tonemapping, false-color modes over 17 built-in colormaps, and clip warnings via zebra striping.
Konvert is a browser-based image format converter. It converts HEIC, WEBP and AVIF images to JPG. The site states that conversion happens client-side, so files do not leave the device, and that there are no restrictions or accounts.
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.
optimize.photos is a tool for compressing high quality JPEG images. According to the site, it compresses them 35% more than traditional codecs and is powered by Google's Jpegli. It accepts files by drag and drop and states that images are never sent to its servers.
Convertmyimage is an online service for converting JPG and other image formats to PDF. It accepts formats including JPG, JPEG, PNG, GIF, BMP, TIF, TIFF and WMF, and offers settings for margins, page orientation, image size and rotation. Batch conversion, resizing and PDF to JPG conversion are also listed.
RIOT is a free image optimizer for Windows, macOS and Linux. It offers automatic image optimization, multi-core batch processing and a live original-versus-optimized preview. The project supports JPEG, PNG, WebP and GIF, and its first public release was in 2008.
ImageFoo is an image optimizer that compresses images using advanced algorithms that detect and analyse images, then compresses them to a quality chosen by the user. Users drag or click to add images and hit optimize. It supports both Windows and Android devices and compresses multiple types of images.
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Konvert is a browser-based image format converter. It converts HEIC, WEBP and AVIF images to JPG. The site states that conversion happens client-side, so files do not leave the device, and that there are no restrictions or accounts.
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.
optimize.photos is a tool for compressing high quality JPEG images. According to the site, it compresses them 35% more than traditional codecs and is powered by Google's Jpegli. It accepts files by drag and drop and states that images are never sent to its servers.
Convertmyimage is an online service for converting JPG and other image formats to PDF. It accepts formats including JPG, JPEG, PNG, GIF, BMP, TIF, TIFF and WMF, and offers settings for margins, page orientation, image size and rotation. Batch conversion, resizing and PDF to JPG conversion are also listed.
RIOT is a free image optimizer for Windows, macOS and Linux. It offers automatic image optimization, multi-core batch processing and a live original-versus-optimized preview. The project supports JPEG, PNG, WebP and GIF, and its first public release was in 2008.
ImageFoo is an image optimizer that compresses images using advanced algorithms that detect and analyse images, then compresses them to a quality chosen by the user. Users drag or click to add images and hit optimize. It supports both Windows and Android devices and compresses multiple types of images.
