Compress PDF Online Free

Reduce large PDF files for email attachments, office reports, scanned documents and client submissions. Compress one PDF or batch optimize multiple PDFs while preserving searchable text, signatures and stamps where possible.

PDF Compression Tool

Maximum 50 PDF files • 200 MB per PDF • Batch compression supported • Download single PDF or ZIP
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Drop PDF files here or click to upload

Upload one PDF or multiple PDFs. Batch output will be downloaded as a ZIP file.

Compression Level

Recommended Best balance between quality and file size. Good for most reports and office documents.
Strong Compression Smaller file size for email sharing while keeping acceptable readability.
Maximum Compression Smallest possible file size. Best when size is more important than high quality.
Email Attachment ModeOptimizes result for easier email sharing and smaller attachments.
Preserve Text SearchabilityKeeps text-based PDFs searchable whenever possible.
Preserve Signatures & StampsUses safer compression suitable for signed, stamped, and official documents.

Document Insights

Files0
Pages0
Original Size0 MB
Recommended-
Detected TypeAwaiting PDF
Estimated Output-
RecommendationUpload PDF files to see document insights, estimated output size, and recommended compression profile.
Office-ready compression dashboard
PDF Files0 / 50
Total PDF Size0 MB
Compression Queue Batch compression supported
No files added yet.
Office Ready: Compress single PDFs or full document packages. For batch compression, Reportix creates one ZIP file containing all compressed PDFs.

Compress PDF Online for Office, Email and Document Submissions

Reportix Compress PDF is designed for business documents, project reports, invoices, scanned files, tender submissions and document packages. Upload a single PDF or compress multiple PDFs in one batch, choose the level that fits your quality and file-size requirements, and download the results as an individual PDF or a ZIP file.

Three Compression ProfilesChoose Recommended, Strong or Maximum compression based on your document and sharing needs.
Batch PDF CompressionProcess multiple PDFs in one queue and download all completed files together as a ZIP package.
Office Document ProtectionUse searchable-text and signature/stamp options for reports, invoices and official submissions.
Email Attachment ModeOptimize files for easier sharing through email and common office communication platforms.
Compression InsightsReview original size, compressed size, space saved, reduction percentage and email-ready status.
No Software InstallationUse the PDF compressor from a modern browser on Windows, macOS, Linux, Android or iPhone.

How to Compress a PDF with Reportix

  1. Upload one PDF or select multiple PDF files for batch compression.
  2. Choose Recommended, Strong or Maximum Compression.
  3. Enable Email Attachment Mode, Preserve Text Searchability or Preserve Signatures & Stamps when needed.
  4. Select Compress PDFs and wait for the compression dashboard to show the result.
  5. Download the compressed PDF, or download a ZIP file when processing multiple PDFs.

Which Compression Level Should You Use?

Recommended Compression is suitable for most office reports and documents because it balances readability and file size. Strong Compression is useful for email sharing and client review. Maximum Compression creates the smallest output and is best when reducing attachment size is more important than retaining high-resolution images.

Compress Large PDFs for Real Office Workflows

Large PDFs often become difficult to email, upload to client portals or share with project teams. Reportix is built around these practical workflows: reducing scanned reports, engineering submissions, tender documents, invoices, signed forms and multi-file office packages. Email Attachment Mode helps target easier sharing, while batch compression lets teams process several documents in one session instead of compressing files individually.

Reduce Scanned PDF and Image-Heavy Document Size

Scanned PDFs, photo reports and image-heavy project documents usually contain more compressible data than text-only PDFs. Strong or Maximum Compression can reduce these files more aggressively, while Recommended Compression is intended for everyday business documents where readability is the priority. Already optimized PDFs may show a smaller reduction because less redundant data remains.

PDF Compression for Email Attachments and Client Portals

Use Reportix when a PDF is too large for an email attachment, document management system, tender portal or customer upload limit. After compression, the results dashboard shows the original size, compressed size, space saved and reduction percentage so you can quickly decide whether the output is suitable for sharing.

Frequently Asked Questions

Can I compress multiple PDF files at once?

Yes. Add multiple PDF files to the compression queue. Reportix processes them one by one and creates a ZIP file containing all completed PDFs.

Can I compress a PDF without losing quality?

Every real compression process can affect some content, especially high-resolution images. Recommended mode is designed to retain better office-document quality while still reducing file size.

Will text remain selectable and searchable?

Text-based PDFs can remain searchable when Preserve Text Searchability is enabled. The final result depends on how the original PDF was created.

What does Preserve Signatures & Stamps do?

It applies a safer office-document setting intended to protect the visual clarity of stamps and signatures. Always review critical signed documents after compression.

Why do some PDFs compress more than others?

Scanned and image-heavy PDFs often reduce more than text-only PDFs. Files that are already optimized may show only a small reduction.

What happens when a large PDF takes longer to process?

Large scanned files require more server memory and processing time. Keep the browser tab open until processing finishes, and try Strong or Maximum Compression when file size is the main concern.