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Compress JPEG is an online tool for reducing JPEG file sizes for web, social media and email while maintaining quality. It uses the MozJPEG encoder and accepts up to 20 JPEGs per batch, with an optional quality slider for individual files. The page also provides a guide to JPEG compression, including quality level recommendations and processing steps.
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.
Tinify maintains repositories for smart image compression for PNG and JPEG. Its public repositories include API client libraries for Node.js, PHP, Java, Python, Ruby and .NET, plus a WordPress plugin that optimizes JPEG and PNG images with TinyPNG. The organization also shares a list of third-party integrations.
CompressOrDie is a browser-based image compression tool that provides free compressors for JPEG, PNG, GIF, WebP, SVG and JPEG XL. Every format has its own dedicated tool, and all processing runs locally so images are not uploaded. The site is being rebuilt by a new operator, with tools restored step by step.
TinyJPG reduces the file size of JPEG images by analyzing each uploaded image and applying an optimal JPEG encoding strategy. Unnecessary metadata is stripped, and the API resizes images with smart cropping. The site states that images are compressed by 40 to 60 percent.
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.
CrushImage is a browser-based image compression tool. It reduces JPG, PNG, WebP, and HEIC file sizes locally, without uploading files to a server. The site offers options for target file sizes, conversion to WebP or JPEG, resizing dimensions, and before/after quality comparison. HEIC files from iPhones are converted to JPG during compression.
Base64 Image is an online tool that converts images into base64-encoded strings for use in HTML, CSS and email templates. It supports JPEG, PNG, GIF, WebP, SVG and other formats, and offers optional compression, resizing and format conversion. An API is documented for programmatic encoding with token-based authentication.
ImageSmaller is a free online tool that compresses PNG, JPG, JPEG, GIF, TIFF, WEBP and SVG images in a browser, with a maximum upload size of 50 MB. It states that uploaded files are removed automatically after a few hours and processed images carry no watermark. No registration or installation is required.
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.
Raw.pics.io is an in-browser viewer and converter for RAW image formats including CR2, NEF, ARW, ORF, PEF, RAF and DNG. It converts and edits RAW, PDF and JPG files into JPEG, PNG and other formats, with resizing, compression and pixel size changes available. All processing happens in the browser, and the service is free for the first five conversions without registration.
ResizeNow.com is a free online picture resizing service that supports the leading picture formats. The site describes it as easy to use and mentions JPEG as a commonly used lossy compression method for digital images.
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.
SuperCompression is a website that provides programs, tools, and information related to maximum file compression. It offers utilities such as Ultra7z Archive Optimizer, Ultra FreeArc Optimizer, Ultra RAR Optimizer, UPX Optimizer, and converters for images to JPEG XL and video to AV1/H265/H264 formats, alongside related documentation and posts.
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.
Trimage is a cross-platform tool for losslessly optimizing PNG and JPG files for the web. It provides a GUI and command-line interface using optipng, pngcrush, advpng and jpegoptim depending on filetype. Image files are compressed at the highest available compression levels, and EXIF and other metadata is removed.
