Compare DotImage vs. TinyPNG

DotImage accommodates a wide variety of file formats, such as TIFF, PDF, DICOM, JPEG2000, JBIG2, and Microsoft Office formats including Word, Excel, and PowerPoint. Users have the capability to edit, insert, rearrange, delete, and rotate pages, while also enhancing documents through functions like binarization, deskewing, and despeckling. The software features Touch Support and Adaptive Scaling for optimal mobile viewing, allowing users to upload files via drag and drop or by selection. Additionally, a Thumbnail viewer is integrated, facilitating easy page viewing and rearrangement. DotImage also offers functionality to convert images from any supported format directly into PDF files. With the included PDF Reader add-on, users can view and edit PDFs, seamlessly convert them to various image formats, and combine or split PDF documents. The software allows for reading and writing of PDF metadata and bookmarks, provides PDF annotation capabilities, supports in-browser PDF Form Fill, and is compatible with both PDF/A and password-protected encrypted PDFs. Moreover, users can incorporate OCR technology to generate Searchable PDFs, enhancing the utility and accessibility of their documents. This comprehensive feature set makes DotImage a versatile tool for document management and editing.

TinyPNG (by Tinify) is a free image optimization service built for developers and designers. It uses smart lossy compression to reduce JPEG, PNG, WebP, and AVIF file sizes 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. 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. George the panda 🐼 approves.