PDF guides & how-tos

Combine multiple PDFs into one document in a few clicks, right in your browser.

Why PDFs get large, how compression works, and how to shrink one without uploading it.

Extract page ranges or break a document into single pages, with worked examples.

Turn photos and scans into one tidy PDF, with control over order and page size.

Save PDF pages as images, and choose the right format and quality for the job.

Turn a .docx or .doc into a shareable PDF, with layout checks before sending.

Make a PDF editable again, with honest expectations about layout and scans.

Get the words out of a PDF into a file you can search, edit and reuse, in your browser.

Move the numbers out of a PDF report and into a spreadsheet you can sort and total.

Straighten sideways scans and upside-down pages, and save the result permanently.

Cut the pages you don't want, with the page syntax and the limits that matter.

Keep just the pages you need: one page, a range, or a hand-picked selection.

Number your pages after the fact, with position, format and start-page control.

Try a structural rewrite before image compression, then check the result.

Repeat pages inside a PDF (forms, receipts, print sheets) right in your browser.

Move PDF pages around visually, drag thumbnails into place and download the result.

Mark documents as drafts or confidential before you share them.

The privacy risks of PDF sites, and how to tell whether your files are actually uploaded.

Hit an exact file-size limit by re-rendering in controlled steps.

Add labels, dates and stamps to a PDF without a full editor.

Put logos, photos and stamps on PDF pages without uploading them.

Exact page counts for printing, translation and submission limits.

Check what your PDF reveals about you before you share it.

Save supported raster images as PNG files, with clear output limitations.

Diff the text of two PDF versions to see every change.

Sign documents electronically without the print-sign-scan loop.

Real highlighter marks that survive printing and every PDF reader.

Pen-style markup (circles, arrows, notes) burned into the page.

Tell a fillable form from a flat scan, then complete either one.

Lock contracts and personal documents with an open password.

Remove open passwords and owner restrictions from your own PDFs.

Rebuild the internal structure of damaged or corrupt PDFs.

Turn scans into searchable PDFs with an invisible text layer.