TinyPNG (by Tinify) is a free image optimization service built for developers and designers. It utilizes smart lossy compression to reduce the file sizes of JPEG, PNG, WebP, and AVIF files by up to 80% with no visible quality loss. That means faster load times, better SEO, and lower bandwidth.
You can compress, convert, and resize images via a clean web interface or integrate it into your workflow with the API. The platform also provides an image CDN for fast global delivery of optimized assets. SDKs are available for Python, Node.js, PHP, Java, Ruby, and .NET. WordPress plugin included, plus plenty of community-driven integrations.
No tuning, no noise, Tinify just works. Whether you're optimizing a handful of images or processing millions, it scales effortlessly. All plans include a generous free tier, and support is quick when you need it.
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MConverter
MConverter is an online file converter for most video, audio, image, e-book, document and archive formats. It makes it very easy to convert multiple files in bulk. You can select files from anywhere, even the clipboard with Ctrl+V. Once a conversion is complete, you can save its output files to any folder on your device.
MConverter lets you compress PDF files in bulk. Pick between basic, strong, and extreme compression: up to 90% reduction in size, depending on the file.
MConverter can analyze files with missing extensions, try to guess their real formats and offer to convert them to other formats you can already use on your device.
Maximum file size, supported by MConverter: 10 GB.
Supported formats: 3g2, 3gp, 7z, aac, ac3, ai, aif, aiff, amv, arw, avi, avif, azw, azw3, bmp, bz2, cab, cbr, cbz, cr2, cr3, cso, csv, deskthemepack, dng, doc, docx, drawio, epub, fb2, flac, flv, gif, gz, heic, htm, html, ico, iso, jar, jpeg, jpg, json, jxl (jpeg xl), m4a, mcaddon, mcpack, mctemplate, mcworld, md (markdown), mid, mkv, mobi, mov, mp3, mp4, mpeg, mpg, mpo, mxf, nef, odp, ods, odt, ogg, opus, pdf, pdf/a, png, ppm, pps, ppsx, ppt, pptx, psd, raf, rar, rtf, rw2, sami, smi, srt, sub, svg, tar, tbz2, tgz, themepack, tif, tiff, tini, tsv (tab), txt, txz, vob, wav, webm, webp, wma, wmv, xcf, xls, xlsx, xz, zip
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Zamzar
Introducing a straightforward API that allows you to convert files directly from your application, supporting hundreds of formats including documents, videos, images, audio, CAD files, eBooks, and more. With our extensive and user-friendly documentation along with sample code, you can begin converting files in no timeājust follow our getting started guide to complete your first conversion in just a few minutes. This API can be utilized from desktop, web, or mobile apps, enabling you to convert files effortlessly with a single line of code. For high-volume users, we provide a generous set of bundled conversion credits in our monthly plans, offering discounts tailored to your usage needs. Our API is crafted to be developer-centric, featuring excellent documentation, straightforward code examples, and a support team made up entirely of developers, ensuring you can integrate it into your projects with complete assurance. Additionally, we are committed to continuously improving our API, ensuring it meets the evolving needs of developers and their applications.
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