Compress PDF Online
Reduce PDF file size quickly and easily. Compress large PDF documents for email, online uploads, sharing and storage while keeping your files readable.
Compress Your PDF
Drag and drop a PDF file here or choose one from your device.
Why Compress PDF Files?
Smaller PDF files are easier to upload, send, store and share.
Quick Compression
Reduce large PDF files through a simple compression workflow.
Reduce File Size
Make oversized PDFs smaller for online forms, email and storage.
Works Worldwide
Access the tool from modern browsers on computers, tablets and smartphones.
Easier Sharing
Smaller documents can be more convenient to send and upload.
What Is a PDF Compressor?
A PDF compressor is a tool designed to reduce the file size of PDF documents. PDF files containing high-resolution images, scanned pages, graphics and embedded resources can sometimes become large and difficult to upload or share.
PDF compression can optimize different elements of a document to create a smaller file. The amount of reduction depends on the original PDF and the type of content inside it.
How to Compress a PDF Online
Upload
Select your PDF file or drag it into the upload area.
Choose
Select the compression level that suits your needs.
Compress
Start the PDF compression process.
Download
Download your smaller PDF when processing is complete.
Why Reduce PDF File Size?
Large PDF documents can be difficult to send as email attachments and may exceed the upload limits of websites, application portals and online forms.
Reducing PDF size can also make files easier to store, transfer and share with colleagues, clients, students, customers and friends.
Compress PDF for Email
If a PDF is too large to attach to an email, compression can help create a smaller version. Choose a balanced compression setting when maintaining readability is important.
Compress PDF for Online Uploads
Government websites, job portals, education platforms and application forms may impose file-size limits. Compressing a PDF can help when the original document is larger than the permitted upload size.
Compress Scanned PDF Files
Scanned PDFs can contain many high-resolution images and may therefore be considerably larger than text-based documents. Compression can reduce the size of image-heavy PDFs, although stronger compression may affect image clarity.
Does PDF Compression Reduce Quality?
The effect depends on the compression method and the contents of the PDF. Stronger compression may reduce image resolution more noticeably. For documents that contain important graphics or photographs, a balanced compression level is usually a better choice.
Compress PDF on Windows, Mac, iPhone and Android
A browser-based PDF compressor can be accessed from many modern devices. A responsive design allows users to work with PDF files from desktop computers, laptops, tablets and smartphones.
Compress PDF FAQs
Answers to common questions about reducing PDF file size.
How can I compress a PDF online?
Upload your PDF, select an appropriate compression level, start the compression process and download the smaller file.
Can I compress a PDF for free?
Many online PDF compressors offer free compression options. File-size limits and available features can vary between services.
Will compressing a PDF reduce its quality?
Compression can affect image resolution and other elements depending on the selected level. A balanced setting can help maintain readability while reducing file size.
How do I reduce PDF size for email?
Upload the PDF, select a suitable compression level, compress the document and download the smaller file before attaching it to your email.
Can I compress a large PDF on my phone?
Yes. A responsive online PDF compressor can be accessed from a smartphone or tablet using a modern web browser.
Can I compress a scanned PDF?
Yes. Image-heavy scanned PDFs can often benefit from compression. However, stronger compression may affect the clarity of scanned images.
Make Your PDF Smaller
Reduce PDF file size for easier sharing, uploading and storage. Start by selecting your PDF above.
Compress PDF Now