Free Online PDF Tools: Merge, Compress, Convert & More
Merge, split, compress, convert, protect, and repair PDF documents. All tools are free, no signup required.
- Merge PDFCombine multiple PDF files into a single document
- Split PDFExtract pages or split a PDF into separate files
- Compress PDFReduce PDF file size while maintaining quality
- PDF to ImageConvert PDF pages to JPG or PNG images
- Image to PDFConvert images into a PDF document
- Rotate PDFRotate PDF pages by 90, 180, or 270 degrees
- Watermark PDFAdd text watermarks to PDF pages
- Page NumbersAdd page numbers to a PDF document
- Protect PDFPassword-protect and encrypt a PDF document
- Unlock PDFRemove password protection from a PDF
- Organize PDFReorder, delete, and rearrange PDF pages
- Repair PDFFix corrupted or damaged PDF files
- Convert PDFConvert documents to and from PDF format
- Word to PDFConvert Word documents to PDF format
- Excel to PDFConvert Excel spreadsheets to PDF format
- PowerPoint to PDFConvert PowerPoint presentations to PDF format
- HTML to PDFConvert HTML files to PDF documents
- PDF to WordConvert PDF documents to editable Word files
- PDF to ExcelExtract tables from PDF into Excel spreadsheets
- PDF to PowerPointConvert PDF pages to PowerPoint slides
- PDF to PDF/AConvert PDF to the archival PDF/A-2b standard
What are PDF tools?
PDF tools are free online utilities for editing, managing, and converting PDF documents without installing desktop software like Adobe Acrobat. Common tasks include combining and merging multiple PDFs into one document, splitting a large file into individual pages, compressing files to reduce size for email, converting between PDF and other formats such as Word, Excel, and PowerPoint, and securing PDFs with password encryption. Whether you need to join reports, extract pages, compress attachments, add watermarks to confidential files, or create archival PDF/A documents, these tools handle the task directly in your browser or through secure server-side processing. For a detailed walkthrough on reducing file size, see our guide to compressing PDFs for email.
Common use cases
Office document workflows
Merge quarterly reports from multiple departments into a single PDF, compress it for email distribution, and add page numbers for easy reference during meetings.
Legal and contract preparation
Combine signed pages with the contract body using Merge PDF, add watermarks marking documents as DRAFT or CONFIDENTIAL, and protect the final version with a password.
Academic submissions
Convert research papers from Word to PDF, merge appendices and references into the main document, compress to meet journal upload size limits, and add page numbers for reviewers.
Archiving and compliance
Convert documents to PDF/A format for long-term archival that meets ISO standards. PDF/A embeds all fonts and disables features that would prevent future rendering.
Tips and best practices
Compress before emailing
Gmail and Yahoo limit attachments to 25 MB and Outlook.com to 20 MB. Use Compress PDF at the Recommended level for a good balance of quality and file size. If the result is still too large, split the PDF and send parts separately.
Add page numbers to multi-page documents
Before sharing reports, contracts, or academic papers, add page numbers so readers can reference specific pages. Choose footer-center placement for a clean, professional look.
Protect sensitive documents
Use Protect PDF to add AES-256 encryption before sharing confidential files. Set an owner password to restrict printing and copying while allowing the recipient to view the document.
Check page order after scanning
Scanners sometimes produce pages in reverse order. Use Organize PDF to visually verify page sequence and drag pages into the correct order before distributing.
Use the right conversion direction
Converting to PDF preserves exact visual layout across devices. Converting from PDF extracts editable content but may shift complex layouts. Choose the conversion tool that matches your goal.
Quick comparison
| Tool | Processing | Max Size | Best For |
|---|---|---|---|
| Merge PDF | Browser | 50 MB each | Combining documents |
| Split PDF | Browser | 50 MB | Extracting pages |
| Compress PDF | Server | 50 MB | Reducing file size |
| PDF to Word | Server | 50 MB | Editing PDF content |
| PDF to Image | Browser | 50 MB | Extracting pages as images |
| Protect PDF | Server | 50 MB | Password encryption |
| Rotate PDF | Browser | 50 MB | Fixing page orientation |
Frequently asked questions
Are Utilavo PDF tools free?
Yes. Every PDF tool on Utilavo is completely free to use with no subscriptions, premium tiers, or hidden costs. There are no usage limits, no watermarks added to your processed PDFs, and no features locked behind a paywall or login wall. You can use every tool as many times as you need.
Are my PDFs uploaded to a server?
It depends on the tool. Browser-based tools (Merge, Split, Rotate, Organize, PDF to Image) process files locally; your PDFs never leave your device. Server-based tools (Compress PDF, Protect, Unlock) upload files over encrypted HTTPS and delete them immediately after processing.
What PDF file size limit applies?
The maximum file size is 50 MB per PDF. For larger documents, try splitting the PDF first, processing each part separately, then merging the results.
Can I convert scanned PDFs?
Yes. The PDF to Image tool converts scanned PDFs to high-resolution image files. For extracting editable text from scans, OCR software is required. The document conversion tools work best with digitally-created, searchable PDFs.
How do I combine multiple PDFs into one?
Use the Merge PDF tool. Upload all the files you want to combine, drag them into the correct order, and click Merge. The result is a single PDF containing all pages from every source file. The entire process runs in your browser.
Can I reduce a PDF from 10 MB to under 5 MB?
Often, if the size comes from images. Image-heavy and scanned PDFs shrink substantially in the Compress PDF tool, which re-encodes embedded images; start with Recommended and try Extreme if needed. Text-heavy PDFs shrink much less, since text is already compact in PDF format.
What is the difference between PDF and PDF/A?
PDF/A is an ISO-standardized subset of PDF designed for long-term archiving. It requires all fonts to be embedded and disables features like encryption and external links that could prevent future rendering. Convert with the PDF to PDF/A tool.
Do I need Adobe Acrobat to edit PDFs?
No. Utilavo provides free online alternatives for the most common PDF tasks: merging, splitting, compressing, rotating, watermarking, page numbering, protecting, unlocking, and converting. No software installation or account is required.
How do I fix a corrupted PDF file?
Use the Repair PDF tool. It rebuilds the internal PDF structure to recover content from damaged or incomplete files. Upload your corrupted PDF and download the repaired version instantly.
Can I extract specific pages from a PDF?
Yes. Use Split PDF to extract individual pages or page ranges. Select the pages you want to keep and download them as a separate PDF file. The process runs in your browser.
Can I add page numbers to an existing PDF?
Yes. The Page Numbers tool lets you add numbers in any position (header, footer, margins) with custom formatting, font size, and starting number.
Is it safe to password-protect a PDF online?
Yes. The Protect PDF tool uses AES-256 encryption, the same standard used by banks and governments. Your file is encrypted on our server over HTTPS and deleted right after download.