About us
English
Free compress PDF
Free compress PDF — reduce file size online without losing clarity
or drag and drop a file
Supports images and PDFs (max 100MB)
By using the product, you agree to our Terms of Service and have read our Privacy Policy.
Trusted by Millions Worldwide
4.4
2,100+ reviews on G2
4.4
8,200+ reviews on Capterra
4.4
73,000+ reviews on App Store
248M
Registered Users
5B
Notes Created
2M
Notes Created Daily
Frequently Asked Questions
Free compress PDF refers to an online tool that reduces the file size of PDF documents at no cost. Evernote’s online compressor performs this task in your browser, shrinking file size while aiming to preserve page layout and readability. It’s intended to make sharing and storing PDFs easier by creating smaller versions suitable for email, uploads, or lower-bandwidth situations, without requiring advanced software on your device.
Compressing a PDF makes files smaller, which helps with faster uploads, quicker email attachments, and reduced storage needs. Smaller PDFs are easier to share over limited connections and fit into file-size limits for many services. Compressing can also streamline document management when working with many files. Evernote’s online compressor provides a convenient way to handle this task directly in a browser without installing extra tools.
Evernote’s online compressor reduces PDF file size by optimizing elements inside the document, such as compressing embedded images and adjusting nonessential data while keeping layout and text intact. The process runs in the browser and focuses on balancing smaller size with retained visual quality. The goal is to produce a reduced-size PDF that remains suitable for reading, printing, and sharing, all without requiring specialized desktop software.
This landing page and tool are designed specifically for PDF files. If you have other document types—like Word or image files—you can convert them to PDF first and then use the compressor. Evernote’s tool targets the structure and elements of PDFs (images, embedded fonts, and document objects) to reduce overall size while maintaining the file as a standard PDF for compatibility and sharing.
Size reduction varies depending on the PDF’s contents: image-heavy files typically shrink more than text-only documents. On average, image-rich PDFs see significant reductions, while simple text PDFs might see modest change. Evernote’s compressor focuses on meaningful reductions without sacrificing readability. Results differ per document, so it’s helpful to try the tool on a representative sample to estimate how much a particular PDF will shrink.
Compression often adjusts image resolution or encoding to reduce file size, which can cause some visible change. Evernote’s compressor aims to preserve clarity and legibility while optimizing images for a smaller overall file. For images that require high fidelity, consider keeping a separate original copy. The online compressor balances image quality and size so the resulting PDF remains suitable for most sharing and viewing scenarios.
Yes, compression works for long documents and can be particularly helpful when many pages include images or scanned content. The tool reduces the overall file size to improve transfer and storage. For very long or complex PDFs, processing may take a bit longer, but the outcome is a more manageable file size while retaining the document’s structure and readability for distribution and archiving.
Yes — Evernote’s online compressor is browser-based, so you can compress PDFs from a smartphone or tablet without installing desktop software. Mobile browsers support uploading a PDF, running the compressor, and downloading the reduced file. For best results, use a stable connection and ensure your mobile device has enough storage to save the compressed copy.
The tool is designed for individual PDF compression in a straightforward, browser-based flow. If you have multiple PDFs, you can run them through the compressor one after another. For bulk workflows, consider processing smaller batches sequentially. Evernote’s approach aims to be simple and accessible, letting you reduce files on demand without complex setup.
Compression creates a new, reduced file while leaving the original file intact if you keep it. Therefore, you can retain the original version and revert to it anytime. If you overwrite the original, the compressed file cannot restore all original data. To preserve full fidelity, save a copy of the original PDF before compressing, which is a recommended practice when working with important documents.
Password-protected PDFs typically require you to unlock them before any modification, including compression. If you can open the PDF with its password, you can use the online compressor on the unlocked version. Always follow any applicable access rules for protected documents and keep a backup of the original before making changes.
Evernote’s compressor is designed to produce a reduced version of your PDF; it does not automatically replace or delete your original unless you choose to overwrite it. Best practice is to save a copy of the original PDF before compressing so you retain the original quality. Evernote provides a simple online experience focused on producing a compressed copy ready for download and sharing.
The online compressor focuses on balancing file size and visual quality with sensible defaults suitable for most use cases. Some tools may offer preset levels or basic quality choices; Evernote’s approach emphasizes a straightforward workflow to quickly reduce size while preserving layout. If you need fine-grained control over compression parameters, consider adjusting images and PDF settings before creating the file or using a dedicated desktop tool.
Compression typically targets images and redundant file data rather than removing embedded fonts or intentional annotations. Evernote’s compressor preserves essential document elements like fonts and visible annotations so the document appears as expected. However, certain rare PDF constructs could be streamlined during optimization. If annotations are critical, keep an original copy to ensure nothing important is lost.
Practical limits depend on browser and device capabilities rather than the concept of compression itself. Very large PDFs may take longer to upload and process in a browser, and mobile devices may face storage constraints. Evernote’s online compressor is built to handle common PDF sizes encountered in everyday sharing and storage scenarios. For extremely large archives, consider splitting the document into smaller parts before compressing.