Best Web-Based File Compression Software of 2025

We are the leading online platform for converting Portable Document Format (PDF) files. Our website enables users to create PDF-compatible files effortlessly, without the need for any specialized software. Simply upload a postscript-compatible file to our site and click on the link to generate your PDF. Our goal is to provide an easy solution for casual and moderate users alike to produce PDF files with minimal hassle. You can convert and combine JPG, PNG, and other image formats into PDF for free. Additionally, you have the flexibility to adjust border sizes, page dimensions, image alignment, and orientation according to your needs. Importantly, our service does not apply any watermarks. You can conveniently merge multiple images into a single PDF document in one go. We prioritize quality above all else; our sophisticated image converter ensures that the highest quality is maintained in your output files. This feature allows us to optimize file sizes for PNG, TIFF/TIF, WebP, and JPG/JPEG images while preserving their original quality. We strive to make the merging of image files as straightforward as possible, providing you with a single PDF file ready for download. Our commitment to user satisfaction means you can trust that your files will be handled with care and expertise.

Using IMGCentury requires no programming or computer skills! Follow these steps: Open IMGCentury.com on a new tab in any browser. The "Choose Image Button" is located inside the "Drag and Drop Box." Drag and drop images into the Drag and Dropbox to select the images you want to compress. The List of Images will appear in the working box once you have selected the image. The compression process will then begin. The initial compression value is set at 80%. This means that the output size and quality of the images are reduced to 80%. Click the Download button if you are happy with the results. You can also adjust the compression ratio using the slider bar located above the workspace. Once you've adjusted the compression to the new setting you don’t need to select the image again.

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 time—just 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.

Aspose.Total Compress can compress or zip files online quickly and securely. It can reduce file size without losing important data. The free app optimizes your document size by removing unnecessary information. This can make it easier to upload and share files, reduce download times, speed up email transmissions, and reduce download times. The app can compress many image and document types, including PDF, word processing and spreadsheet. It also supports audio, E-book and 3D Models. The app uses state-of the-art Aspose APIs and works seamlessly on all major platforms, including Windows, Mac, Android, iOS, and Windows. To compress a file, select the file you wish to compress and then press the compress button. After successful compression, you can download the file, view it and share it with others via Email. You can download the file, view it, or share it with others via email.

ZIP Extractor is a complimentary application designed for accessing ZIP files stored in Google Drive and Gmail, boasting a user base of over 60 million individuals. With this tool, users can select a ZIP file from Gmail, Google Drive, or their local device for extraction, and it also supports drag-and-drop functionality for easy use. Once the ZIP file is opened, you can click on any file within to either view or download it. To extract files, simply hit the "extract" button, which will create a new folder in Google Drive labeled "(unzipped files)" containing all the uncompressed content. After the extraction process is complete, you can easily navigate to the unzipped files by clicking on "view files" within Google Drive. Built entirely in JavaScript, ZIP Extractor performs all operations directly in your web browser, ensuring that no data is processed on external servers. Additionally, the app supports the ability to open password-protected ZIP files, with the password being utilized solely on your device, so it never travels over the internet. This level of security ensures that your sensitive information remains private while you manage your files efficiently. The ease of use and robust features make ZIP Extractor a valuable tool for anyone needing to handle ZIP files online.

CloudConvert serves as a versatile online platform for converting files across a wide range of formats, including audio, video, documents, ebooks, archives, images, spreadsheets, and presentations. To begin, simply click the button below to upload files from your computer for conversion. This tool acts as a multifunctional solution for all your file conversion needs, allowing you to utilize its features without the necessity of downloading any applications. Since its inception in 2012, CloudConvert has built a reputation for reliability among its users and clients. Your files remain private, as we prioritize your security and do not share your data with anyone. Our revenue model is based on offering access to our API rather than selling user information. Additionally, we leverage open-source software and collaborate with a variety of software providers to ensure optimal conversion results. Most conversion options can be customized to suit your preferences, including quality settings and other adjustable parameters, making CloudConvert a convenient choice for diverse file transformation tasks. With such a wide array of supported formats and features, it truly stands out as a leader in the file conversion space.

Frustrated by the limitations on image sizes when uploading files online? SmallJPG serves as the perfect answer to your problem. This complimentary online tool simplifies the process of compressing JPEG images down to a manageable 50KB, making it ideal for applications to government jobs, college admissions, and much more. SmallJPG is not only incredibly fast but also easy to use, all while preserving the integrity of your images. Whether you are submitting your resume for a government position, applying to a university, or need a smaller image file for any other purpose, SmallJPG is here to assist you. Don't miss out—give it a try today and see the remarkable difference it can make! Effortlessly compress your images to the desired 50KB in just a few clicks. Key Features: - Blazing-fast image compression - Perfect for submissions to online platforms - Intuitive user interface - Exceptional quality retention - Completely free of charge Don’t let size restrictions hinder your progress; with SmallJPG, compressing your JPEG files to 50KB has never been easier, helping to streamline all your submissions. Start using SmallJPG now and integrate effortless image compression into your digital routine!

GLB/GLTF Compressor offers a powerful solution to reduce the size of 3D models in the GLB and GLTF formats, improving performance and speed without sacrificing quality. By compressing files by up to 90%, it helps developers and designers ensure faster load times and more efficient usage of bandwidth. The platform is easy to use, offering a straightforward online tool for immediate file compression. Additionally, GLB/GLTF Compressor provides a developer-friendly API that allows seamless integration with custom workflows, whether you're using JavaScript, Python, or command-line tools. The service guarantees that model integrity is preserved during compression, making it ideal for professionals who require both performance and visual fidelity in their 3D assets.

Transform media files effortlessly online by changing them from one format to another. This multipurpose audio converter facilitates the conversion of audio files across a variety of popular formats. Additionally, our free document conversion options enable you to switch from Word to PDF, JPG to PDF, and much more. You can also convert and enhance your files for various web services such as WhatsApp, Twitter, and Facebook. Furthermore, you can convert your files from PDF to Word, PDF to Excel, and other formats as needed. Convert video files into widely-used formats, including MP4, AVI, and MOV. Explore a selection of versatile online ebook converters that simplify the process of converting text documents into ebooks. There’s also a range of online video converters optimized for mobile devices, gaming consoles, or tablets. With these hash generator tools, you can create hashes or checksums easily. You can also generate archive files such as ZIP using this free compression tool. This free online file converter provides a quick and efficient way to switch media formats, ensuring your files are seamless to use and share. Whether you need to convert a document, audio, or video, our tools are designed to meet your diverse conversion needs.