PDF guides
Longer answers to the questions that come up again and again — explained with the trade-offs included, so you can make the call yourself.
All guides
How to reduce a PDF file size
Why PDFs get big, and five ways to make one small enough to send.
How to tell whether a PDF tool uploads your file
Most online PDF tools send your file to a server. Here is the two-minute test that tells you which ones do.
How to compress a PDF to an exact size
Compress a PDF to 100 KB, 500 KB or 2 MB — and what to do when it will not go that low.
How to merge PDF files on iPhone, Android and Windows
How to combine PDFs on a phone, tablet or desktop — without an app.
How to sign a PDF without printing it
Sign a PDF on a phone or laptop without printing it — and what that signature actually proves.
How to delete a page from a PDF
Remove a page or a whole section — and what else changes when it goes.
How to convert JPG images to PDF
Turn photos or screenshots into one PDF document — and what sets the page size.
How to split a PDF into separate files
Break one document into separate files, or pull out only the pages you need.
How to convert PDF pages to JPG images
Export pages as images — which resolution to pick, and PNG or JPG.
How to rotate a PDF page permanently
Fix a sideways scan for good — why the rotation survives every viewer.
How to extract text from a PDF
Get the words out of a PDF, and know which PDFs have words to get.
How to copy text from a picture
When recognition helps, when it hurts, and how to take the picture.
How to convert text to a PDF
Turn a block of text into a properly laid-out document — without a word processor.
Sinhala and Tamil OCR, without uploading the page
Read a Sinhala or Tamil page without handing it to anyone — and what really decides whether it works.
How to add page numbers to a PDF
Number a PDF in the corner and format you choose — and the mistakes that make numbering look wrong.
How to add a watermark to a PDF
Watermark a PDF — the settings that look deliberate, and what a watermark cannot do.
How to crop a PDF without losing anything
Trimming the margins off a scan without losing the page — and the one thing a crop does not do.
Tools
Every tool runs entirely in your browser — nothing is uploaded, there is no account, and there are no daily limits.
Merge PDF files
Combine several PDFs into one file, in the order you choose.
Split PDF files
Break one PDF into separate files, or pull out only the pages you need.
Delete, reorder and rotate PDF pages
Delete, reorder, rotate and duplicate pages in a visual grid.
Edit PDF files
Add text, a signature, white-out, a watermark or page numbers.
Compress PDF files
Cut file size for email and upload limits — three levels of compression.
Convert PDF to images
Export every page as a PNG or JPG, delivered as a ZIP.
Convert images to PDF
Turn JPG, PNG or WEBP images into a single PDF document.
Rotate PDF pages
Fix sideways or upside-down scans, for all pages or a few.
Extract text from an image
Read the words out of a photo or a screenshot, without retyping them.
Turn text into a PDF document
Type or paste a page and get it back as a laid-out document, not a text dump.
Extract text from a PDF
Pull the words out of a PDF as text you can copy — no upload, no account.
Add page numbers to a PDF
Number every page, in the corner you choose and the format you choose.
Add a watermark to a PDF
Stamp DRAFT, CONFIDENTIAL or your own words across every page.
Crop a PDF
Cut the white margins off a scan, or keep only the part of the page that matters.