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Software like Compressor.io
What else does this job. Matched on what each project does, not on who links to whom.
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- CompressImage.iocompressimage.ioCompressImage.io is a browser-based image compression tool that allows users to reduce the size of JPEG, PNG, GIF, and WebP images instantly and securely. It works entirely offline, ensuring privacy and no file size limits, making it ideal for designers and web users who need fast, private image optimization.
- Compressocompresso.ioCompresso is a browser-based image and document compressor that allows users to reduce file sizes for JPG, PNG, WebP, and more without uploading files to a server. It supports batch processing, target size selection, and instant downloads, making it ideal for users who value privacy and speed.
- CompressWisecompresswise.comCompressWise compresses images directly in the user's browser using WASM codecs. Users can adjust the balance between file size and quality, process multiple files in batch, and download optimized JPEG, PNG, WebP, or SVG files. Privacy is maintained as no images leave the device.
- Compressorcompressor.appCompressor is a web-based tool that allows users to compress images, documents, and media files in over 50 formats. It offers secure storage, batch processing, and an API for developers, making it suitable for both individuals and businesses seeking efficient file optimization.
- Compress Image Online Freecompressimg.proCompress Image Online Free is a browser-based tool that reduces the file size of JPG, PNG, WebP, and HEIC images up to 20MB. It addresses the need for smaller image files that load faster on websites, occupy less storage, and are easier to share via email or messaging apps. The tool supports both lossy compression for JPG and WebP formats, which typically achieves 60–90 percent file size reduction, and lossless compression for PNG, which reduces size by 10–30 percent without data loss. Users upload images by dragging and dropping, clicking to select, or pasting from the clipboard. A quality slider ranging from 40 to 95 percent lets them balance size against visual quality, with a default of 80 percent that commonly yields 60–80 percent reduction. Compression occurs instantly in the browser using the browser-image-compression library running inside a Web Worker, keeping the interface responsive. After processing, the interface displays the original size, compressed size, and percentage saved before the user downloads the result. Maximum image dimensions are capped at 1920 pixels to avoid unnecessary upscaling. The service runs entirely on the user's device so that images never leave the local machine. This design provides privacy by avoiding any server upload, storage, or analysis. No sign-up, accounts, watermarks, or usage limits are required. The page also lists related free browser tools for resizing images and converting between JPG, PNG, and WebP formats. It is presented as suitable for improving website performance, lowering cloud storage costs, preparing images for email and social media, enhancing mobile experiences, and supporting e-commerce conversions. Guidance is offered on selecting quality levels for specific target sizes such as 100KB or 200KB by iterative adjustment and reprocessing.
- Image Compressortooptools.comImage Compressor is a web-based tool that allows users to compress JPG, PNG, and WebP images directly in their browser. It features a live quality slider, instant preview, and works offline, ensuring privacy by never uploading files to a server. Ideal for designers and web users.
- Convertimg Ioconvertimg.ioConvertimg Io is a free online toolkit that allows users to convert, compress, resize, and crop images in formats like JPG, PNG, WEBP, and SVG. It supports batch processing and offers a streamlined workflow for designers and web users.
- Optimazaoptimaza.ioOptimaza is an online image optimization tool that allows users to compress and resize JPEG and PNG files directly in their browser. All processing is done locally, ensuring privacy and fast results. It supports batch uploads, adjustable compression settings, and is suitable for users who need efficient, private image optimization.
- Kraken.iokraken.ioKraken.io is a web-based image optimization and compression service for reducing file sizes and improving website load times. It supports formats including JPG, PNG, WebP, GIF, SVG, AVIF, HEIC and PDF, with an API and plugins for WordPress and Magento users.
- Image Compressorimage-compressor-saas.shopImage Compressor is a free, privacy-first web application that performs all image compression and conversion entirely in the user's browser with no uploads or watermarks. It supports JPG, PNG, WebP, and AVIF formats, allows setting exact target file sizes with automatic quality adjustment, processes multiple files in batch, and exports results as a ZIP archive. Ideal for web optimization, email attachments, job applications, and e-commerce product images.
- CompressForcompressfor.comCompressFor allows users to compress and convert images directly in the browser for Instagram, government forms, university uploads, and passport photos. It supports exact file size targets, multiple formats, and bulk operations while keeping all processing local for privacy and speed.
- 99compress99compress.com99compress is a free web-based service that provides online tools for compressing and converting images along with basic PDF operations. It addresses the need to reduce file sizes for faster uploads and improved web performance while maintaining image clarity. The platform supports compression of JPG, PNG, and GIF files without quality loss. Users can crop images to trim edges or focus on specific areas, resize them to exact width and height dimensions or by scale, and rotate images at any angle to correct orientation. Format conversion features allow transforming PNG, WEBP, HEIC, or SVG files to JPG, and converting JPG files to PNG, WEBP, or SVG while preserving transparency and color quality. Additional converters include JPG to WebP for smaller file sizes with good compression and HEIC to JPG for easier sharing from iPhone devices. A watermark tool to add logos or text is listed as coming soon. For PDFs the service offers compression, merging, and splitting capabilities. It is delivered entirely through a browser-based interface that requires no installation or account creation. The tools are presented as simple and fast, aimed at all users who need to optimize images or PDFs for web publishing, sharing, or storage. The service is free forever with no paid tiers or licensing restrictions mentioned.
- Fast Image Compressionfastimagecompression.comFast Image Compression is a web-based tool that allows users to compress JPEG, PNG, GIF, and WebP images quickly and efficiently. It supports batch processing, multiple output formats, and quality presets, making it ideal for webmasters, designers, and anyone needing smaller image files.
- Free Image Optimizer Onlineat-use.comImage Optimizer is a free online tool that allows users to crop, resize, and compress images in over 50 formats. It supports batch processing, social media presets, background removal, and instant ZIP downloads, all without requiring an account. Ideal for content creators and marketers needing quick image optimization.
- MiCompressmicompress.comMiCompress is a free, browser-based file compression platform that reduces the size of JPG, PNG, WebP, MP4, MP3, PDF and over 100 other formats. All processing happens client-side with no uploads to servers, ensuring privacy and speed. It supports multiple languages and requires no registration or installation.
- Compressifycompressify.ioCompressify compresses and converts images directly on the server using WordPress's built-in image editor. It works on new uploads and existing Media Library files without sending data externally. The plugin helps improve page load times while maintaining visual quality and requires no API keys or subscriptions.
- ResizeImages.onlineresizeimages.onlineResizeImages.online is a free web tool for resizing, compressing, cropping, and converting images. It supports various formats, background removal, and does not require sign-up or add watermarks, making it ideal for designers and users needing quick image edits.
- Compress/Convert photoswebutils.appWebUtils Image Compress is a browser-based tool that allows users to compress and convert images in bulk to formats like JPEG, PNG, WEBP, AVIF, and JXL. All processing is done client-side for privacy, making it ideal for users who want fast, secure image optimization without uploading files.
- LeanImgleanimg.comLeanImg offers a suite of free online tools designed for image manipulation and optimization. The platform addresses common needs such as compressing, resizing, cropping, and converting images, with a focus on speed and ease of use. It supports popular formats including JPG, PNG, WebP, and AVIF, allowing users to process images for web and application use without the need to install software. Among its features, LeanImg provides an image compressor that reduces file size while maintaining quality, and a resizer that enables adjustment to exact dimensions or by percentage, including bulk resizing. The cropping tool allows for precise edits to dimensions or aspect ratios. Users can convert images between multiple formats, and the favicon generator creates icons suitable for various platforms such as ICO, PNG, Apple Touch, and Android Chrome. The platform also includes an AI-powered background remover for instant background deletion, and an AI-based upscaler that enhances image resolution by 2x or 4x using Real-ESRGAN technology. LeanImg is accessible directly through the web and does not require uploads for certain tools, nor does it demand user sign-up or software installation. There are no watermarks applied to processed images. The tools are available in multiple languages, making them suitable for a global audience seeking fast and free solutions for image optimization and editing tasks online.
- Resize Image Onlineresizeimageonline.netResize Image Online is a web-based tool designed for compressing images to specific file sizes. It supports JPG, JPEG, PNG, and WEBP formats, allowing users to reduce image files from megabytes to kilobytes. The platform offers a range of preset compression targets, such as compressing images to 20 kB, 50 kB, 100 kB, and up to several megabytes, catering to users who need precise control over the final file size. A notable feature of Resize Image Online is that all image compression is performed locally in the user's web browser, ensuring that files are not uploaded to the cloud or external servers during processing. This approach helps maintain privacy and offers faster processing times since there is no need to transfer files over the internet. Users can either drag and drop their images or browse to select them for compression, and the tool provides before-and-after previews as well as options to download the compressed result or process another image. The service is positioned as a free and simple solution for anyone needing to adjust image size, whether for web use, sharing, or storage constraints. There is no mention of required registration, payment, or licensing restrictions in the provided evidence. Resize Image Online is categorized as an image compression and resizing tool accessible directly through a web browser.
- Compressowordpress.orgCompresso is a WordPress plugin that automatically compresses and converts images to WebP format, optimizing site performance. It requires no setup or API keys and processes images directly on the user's server, ensuring privacy and efficiency.
- Image Resizer Studioimageresizer.studioImage Resizer Studio is a web-based tool that allows users to resize and compress images in various formats quickly and easily. It supports drag-and-drop uploads, offers preset sizes for social media, and provides instant previews and downloads. Ideal for anyone needing fast image optimization without registration.
- Crop Compresscropcompress.comCrop Compress is a free online tool that allows users to crop, resize, and compress images to specific file sizes without quality loss. It supports multiple formats, batch processing, and privacy-focused client-side processing, making it ideal for photographers, designers, and web users needing quick image optimization.
- Squeezrgetsqueezr.comSqueezr enables users to compress images in PNG, JPG, WebP, and AVIF formats online for free. It supports batch uploads, fast processing, and offers an API for developers, helping improve website performance and reduce bandwidth usage.
- ImgPixieimgpixie.comImgPixie is a free online image converter and compressor that works entirely in the browser, supporting formats like JPG, PNG, WebP, AVIF, HEIC, GIF, and BMP. It processes images instantly without uploads, ensuring privacy and speed for users needing quick image conversions or compression.
- ImgSmallerimgsmaller.comImgSmaller is a web-based image compressor and resizer that allows users to reduce the size of JPG, PNG, and WebP images directly in their browser. It offers a zero-upload mode for privacy, batch processing, and an API for developers. The tool is ideal for designers, webmasters, and anyone needing fast, secure image optimization.
- Compresspixoratools.devCompress is a browser-based image tool designed to reduce file sizes without compromising visible quality. It operates entirely on the user's device, ensuring that images are processed locally and never uploaded or sent across the network. This approach guarantees privacy and allows users to manage images without concerns about data leaving their computer. Among its features, Compress provides the ability to shrink image file sizes either by adjusting a quality slider or by specifying an exact target size in kilobytes, such as 20KB, 50KB, or 100KB. The tool utilizes real image codecs, including MozJPEG, oxipng, libwebp, and libavif, which are compiled to WebAssembly for efficient and high-quality compression similar to desktop applications. Processing is handled in Web Workers, allowing for fast operation and a responsive interface even when working with large batches of photos. Compress is part of a suite of free image tools that also cover conversion, resizing, cropping, and editing. All tools in the suite run locally within the browser and do not require signup, impose watermarks, or restrict file limits. Once a tool has been used, it continues to function offline, as its code remains stored on the device. This makes it suitable for users seeking privacy-focused, fast, and convenient image processing directly in their browser without relying on external servers or cloud services. evidence_sufficient=true
- Nerdcow The Image Optimizerwordpress.orgTIO – The Image Optimizer is a WordPress plugin that automatically compresses and converts images to modern formats like WebP and AVIF. It offers bulk optimization, live progress tracking, and performance improvements for WordPress site owners seeking faster load times.
- Compress Image 100kbcompressimage100.comCompress Image 100kb is a browser-based image utility that reduces JPG, PNG, and WebP files to selected size limits such as 100 KB. It also supports resizing, cropping, rotation, format conversion, PDF workflows, and background tools, with compression performed locally in the browser.
- GioCompresswordpress.orgGioCompress is a WordPress plugin that automatically optimizes images, converts them to WebP format, and generates missing alt text to enhance SEO and site performance. It offers both free and paid versions for WordPress site owners.
- Compresscreatoryn.comCompress is a browser-based set of image tools from Creatoryn, built for compressing, resizing, converting, and cropping images. It focuses on quick image optimization in the browser, with files processed locally so they never leave the device. The service includes compression to exact file sizes such as 100KB, 50KB, or 20KB, which the page describes as useful for email attachments, upload limits, and faster websites. It supports JPG, PNG, and WebP for compression. Resize options include exact pixel dimensions, percentage, fit-within-box, and longest-side modes, along with presets for Instagram, YouTube, Facebook, and passport photos. It also offers image conversion between major formats, with examples including JPG, PNG, WebP, HEIC, AVIF, SVG, GIF, TIFF, and BMP, and it can batch convert multiple images at once. The crop tool supports custom and preset aspect ratios, including social media ratios such as 1:1, 4:5, 16:9, and 9:16, as well as presets for profile pictures, banners, and thumbnails. Creatoryn says the tools are 100% browser-based and work locally in the browser, with no server uploads, no account required, no watermarks, and offline use after the page loads. Batch processing is supported, including downloading results as a ZIP archive, and the site describes unlimited use. The page also highlights social media image sizes and workflow examples for content creators, e-commerce sellers, web developers, graphic designers, marketing teams, bloggers, and writers. Creatoryn is identified as powered by TechRex Open Studio Tools.
- Image Compressor & Resizergoogle.comImage Compressor & Resizer is an Android app that allows users to compress and resize images for efficient storage and sharing. It supports batch processing and simple file management, making it ideal for users who frequently handle photos on their devices.
- ImgCruncherimgcruncher.comImgCruncher is a set of free online image tools for compressing, converting, resizing, cropping, and editing images. It is designed for people who want to work on images quickly in the browser while keeping files on their own device. The site lists 26 tools across several groups. Under Optimize & Compress, it includes a Bulk Compressor that can compress up to 20 images at once, an Image Compressor that shrinks JPG, PNG, and WEBP files up to 90%, and a WEBP Converter. It also offers an Image Upscaler 2x and an Image Resizer. Its conversion tools include JPG to PNG, PNG to JPG, HEIC to JPG, SVG to PNG, PDF to JPG, and Image to PDF, along with an Image Converter, a Favicon Generator, Image to Base64, and Base64 to Image. For editing and style, it includes Image Crop, Profile Pic Cropper, Rotate Image, Flip Image, Photo Filters, and Add Watermark. For privacy and inspection, it provides Blur & Pixelate, Background Remover, Color Palette Extractor, EXIF Metadata Viewer, and Image to Text (OCR). ImgCruncher says it runs on the user’s device, works offline, and has zero uploads. The same page describes it as 100% in-browser, and the meta description says images never leave the device. It also highlights one-tap jobs for email attachments, Instagram posts, privacy scrubbing, website hero images, and compressing to 100 KB. The service is free forever, with no sign-up, no watermarks, and no limits stated on the page. The page title and description identify it as a free online image tool set.
- LiteIMGliteimg.comLiteIMG is a free online image compressor for reducing JPG, PNG, and WebP file sizes. It states that images can be compressed instantly in the browser and that the process is local: files never leave the device and no uploads go to servers. The service supports dragging and dropping images or clicking to browse for files. It also shows compression settings for codec selection, including MozJPEG, OxiPNG, and WebP, along with a quality control set to 80% in the displayed interface. LiteIMG says it uses optimized algorithms for smart compression, aims to preserve image quality while reducing file size, and can compress multiple images in seconds with instant results. The page also includes a resize option and links to separate JPG, PNG, and WebP compression pages. LiteIMG describes itself as a free online image compression tool. The page footer and interface include a set of language options: English, 简体中文, Español, हिन्दी, العربية, Português, Français, Русский, 日本語, and 한국어. It also notes that the site requires JavaScript to function properly. The overall class of tool is an image compressor.
- TinyJPG.Onlinetinyjpg.onlineTinyJPG Online is a free browser-based tool that compresses JPG and JPEG images instantly without quality loss. It offers batch processing, visual comparison, and privacy-focused optimization for webmasters, designers, and social media users needing fast image size reduction.
- Image Reducer Appimagereducerapp.comImage Reducer App is a free web-based tool that allows users to resize, compress, and convert images (JPG, PNG, WebP, AVIF) directly in their browser. It supports batch processing, maintains privacy by running locally, and is ideal for bloggers, e-commerce sellers, and anyone needing fast image optimization.
- Pixotterpixotter.comPixotter is a free web-based image editing tool that enables users to compress, resize, convert, crop, and remove backgrounds from images instantly in their browser. It supports multiple formats, offers GIF-specific tools, and requires no uploads or signups, making it ideal for designers and content creators.
- Resizeimage.siteresizeimage.siteResizeimage.site provides a completely private, client-side tool for resizing and compressing images directly in the browser. Users upload JPG, PNG, or WebP files, set a target size such as 100KB, adjust dimensions and quality, and download the optimized result with no data leaving their device. It includes presets for common social media dimensions and format-specific optimizations.
- Pixozippixozip.comPixozip compresses and converts images through a browser-based tool and authenticated API. It supports formats including JPEG, PNG, WebP, AVIF, GIF, TIFF, and SVG, with SDKs, asynchronous queues, and webhooks for production workflows.
Ranked by how close each one sits to Compressor.io in the index, not by popularity. Back to Compressor.io →