PDF guides
Short, practical guides that explain how common PDF tasks work and how to get good results — each one links to the tool that does the job.
How to merge PDF files without losing quality
Combine several PDFs into one file in the right order: how to prepare the files, merge them, fix the order and avoid lost bookmarks or locked inputs.
Updated September 23, 2026Read guide →How to compress a PDF, step by step
Step-by-step PDF compression in your browser: what each preset does, when to pick Maximum or High quality, and what to check before sending the result.
Updated September 23, 2026Read guide →Why is my PDF so big, and how do I make it smaller?
Why is your PDF so large? Learn to diagnose the cause, know typical email and portal size limits, and choose the right fix from compression to splitting.
Updated September 23, 2026Read guide →How PDF compression works, explained without the jargon
What happens inside a PDF when it gets smaller: image downsampling and JPEG, fonts, object streams, lossless versus lossy methods, and why some files barely shrink.
Updated September 23, 2026Read guide →How to split a PDF into pages, ranges or size-limited parts
Split a PDF by page ranges, every N pages, single pages, in half or by maximum file size. Learn the range syntax, the five modes and common mistakes.
Updated September 23, 2026Read guide →How to extract specific pages from a PDF
Pull the pages you need out of a PDF and save them as a new file. Learn page ranges, page order, and when to extract, split or delete instead.
Updated September 23, 2026Read guide →How to convert a PDF to Word and what to expect
Turn a text-based PDF into an editable .docx. Learn what carries over, what does not, and how to handle scanned PDFs with OCR before converting.
Updated September 23, 2026Read guide →How to convert a Word document to PDF
Convert .doc, .docx, .odt or .rtf to PDF and avoid font and layout problems. Includes pre-flight checks, file size tips and how server processing works.
Updated September 23, 2026Read guide →How to convert a JPG image to a PDF
Convert JPG photos or scans to a PDF and control page size, orientation and margins. Tips on keeping quality and file size under control.
Updated September 23, 2026Read guide →How to combine images into one PDF
Put multiple photos, scans or screenshots into a single multi-page PDF. Covers ordering, rotation, page size, supported formats and file size limits.
Updated September 23, 2026Read guide →How to convert a PDF to JPG images
Turn PDF pages into JPG images: how DPI and quality affect sharpness and file size, when to pick PNG instead, and how to get the images already inside a PDF.
Updated September 23, 2026Read guide →How to make a scanned PDF searchable
Turn a scanned PDF into a searchable one with OCR: how to check if your file needs it, language and DPI settings, what to expect, and how to verify the result.
Updated September 23, 2026Read guide →What is OCR and how does it work?
OCR turns images of text into real, searchable text. Learn how it works step by step, what affects accuracy, its limits with handwriting, and what it outputs.
Updated September 23, 2026Read guide →How to scan documents to PDF
Turn paper into a clean PDF with a phone camera or scanner: lighting and framing tips, page order, the document filter, file size, and adding searchable text.
Updated September 23, 2026Read guide →PDF vs PDF/A: what is the difference?
PDF/A (ISO 19005) is a PDF profile built for long-term archiving. See how it differs from an ordinary PDF, its rules, and how to inspect a file yourself.
Updated September 23, 2026Read guide →How to password protect a PDF file
Learn how to password protect a PDF with AES-256, the difference between an open password and an owner password, and how to pick a password you will not lose.
Updated September 23, 2026Read guide →How to remove metadata from a PDF
See what metadata a PDF carries, why author names and software details leak through, and how to clear or edit document properties and XMP data in your browser.
Updated September 23, 2026Read guide →How to add page numbers to a PDF
Add page numbers to any PDF: choose position and format, skip the cover, set a start number and page range. Includes order-of-work tips for merged documents.
Updated September 23, 2026Read guide →How to sign a PDF without printing it
Sign a PDF by drawing, typing or uploading your signature, place it on the page and add a date. Learn what a visual signature is and what it is not.
Updated September 23, 2026Read guide →