PDF guides & how-tos
Practical, step-by-step guides for common PDF tasks. Every tutorial links to a free tool that runs entirely in your browser — no uploads, no account required.
All guides
How to merge PDF files free online
Combine multiple PDFs into one document, set the page order, and download the result without uploading files to a server.
How to password protect a PDF
Add encryption so only people with the password can open your PDF. Learn best practices for strong passwords and lawful use.
How to extract text from a scanned PDF (OCR)
Turn image-based and scanned PDFs into searchable, editable text using optical character recognition in your browser.
How to compress a PDF without losing readability
Understand which PDFs shrink well, choose sensible quality settings, and check text, signatures and diagrams before sharing.
How to split a PDF into separate files
Create several documents from page ranges, keep the right order, and understand when extraction is a better choice.
How to convert JPG images to one PDF
Arrange photos and scans, choose page size and margins, and produce a PDF that is practical to view, email or print.
How to organize PDF pages online
Reorder, remove and rotate pages, understand when to split or extract, and verify the final document before sharing.
How to edit a PDF without uploading it
Add text, images, drawings and a visible signature locally, understand what cannot be rewritten and verify the exported PDF.
Choose the right PDF workflow
A good PDF result starts with the correct operation. Merge PDF joins complete documents. Organize PDF changes the order inside one document. Split PDF creates several files from page ranges, while Extract Pages collects selected pages into one new PDF. These tasks sound similar, but choosing the wrong one can create extra work or duplicate pages.
For size problems, first remove pages that are not needed and then compress the cleaned document. Compression is most effective on scans and image-heavy files; a PDF made mainly from optimized text may change very little. For scanned documents, OCR extracts readable text, but it must be proofread because names, totals and complex layouts can be recognized incorrectly.
Practical guides, not generic instructions
Each guide explains what the related browser tool actually changes, when it is appropriate, what can be lost, and what to verify after downloading. This matters for PDFs because two files with the same extension can behave very differently: one may contain searchable text and forms, while another is only a collection of scanned page images.
Use the tutorials for reports, invoices, schoolwork, application forms, scanned archives and everyday attachments. They are written for common browser workflows and do not assume specialist software. When a recipient provides formal requirements for signatures, encryption, accessibility or archival standards, those requirements take priority over a general online workflow.
Privacy and local processing
The tools linked from these guides process selected files inside the browser. The document is not uploaded to PDF Online Free for editing. Local processing avoids an upload queue and is useful for private material, but the device must have enough memory to hold and process the file. Large scans can be demanding on a phone, so a desktop browser may be more reliable for long or image-heavy documents.
Always work on a copy and inspect the result before replacing an original. Browser processing does not guarantee that bookmarks, interactive forms, certificate-based signatures or unusual embedded content will survive every transformation. The guides call out these limits where they are relevant.
A simple quality checklist
- Confirm page count, order and orientation.
- Zoom in on small text, diagrams, signatures and barcodes.
- Test links, forms and searchability when they matter.
- Open protected or edited files in a second PDF reader.
- Keep the original until the recipient accepts the result.
Build a reliable result
Plan a complete PDF workflow
A reliable result often needs more than one tool. Decide the final page set and order first, then correct orientation and crop. Perform conversion or OCR only after the structure is stable. Add visible elements last and compress or protect the checked copy. Every extra transformation is another point to inspect, so avoid repeating an operation without a clear reason.
Use the guides as decision support
The tutorials explain not only which button to press but also what changes inside the document, what the operation cannot guarantee and how to validate the download. This makes them useful when two tools appear similar, when a scan must remain searchable, or when forms, signatures and accessibility requirements could be affected.
Documents that need specialist handling
General browser tools are not a substitute for formal redaction, certified digital signing, archival validation or professional accessibility remediation. When a government portal, employer, court, bank or healthcare provider specifies a format or service, follow that requirement. Keep the original and document the steps applied to important records.
Start with a tool
If you already know the operation you need, go directly to all PDF tools. Otherwise, choose a guide above and follow the complete workflow. Every guide links to the appropriate tool and to useful next steps, so you can solve the task without repeatedly uploading or downloading between unrelated services.