A little PDF know-how.
Practical answers for the documents in your day.
How to convert a PDF to a TXT file
Convert selectable PDF text to a free TXT download. Try a two-page example, check reading order and find the right OCR workflow for scanned pages.
Read the guide PDF TOOLS GUIDEResize PDF pages to A4 or US Letter
Change PDF page size to A4 or 8.5 x 11 inch Letter. Try measured examples, choose margins and distinguish paper dimensions from KB or MB file size.
Read the guide PDF TOOLS GUIDEHow to crop PDF margins online for free
Crop PDF margins in millimetres on selected pages. Try a 5 mm example, follow Mac browser steps and understand why cropping is not secure redaction.
Read the guide PDF TOOLS GUIDEHow to fill a PDF form on your phone
Fill existing PDF fields on a phone, check saved values and choose editable or flattened output. Learn what to do when a form has no interactive fields.
Read the guide PDF TOOLS GUIDEHow to remove PDF metadata before sharing
Inspect PDF properties, clear common author and XMP metadata, then check the saved copy. Understand what metadata cleanup leaves in the document.
Read the guide PDF TOOLS GUIDEHow to overlay a PDF letterhead on pages
Layer one PDF over another, repeat a letterhead on selected pages and check opacity. Learn why an overlay differs from merging PDFs.
Read the guide PDF TOOLS GUIDEHow to rasterize a PDF and check readability
Create an image-only PDF, choose custom resolution and inspect small text. Compare rasterization with form flattening and exporting JPG or PNG pages.
Read the guide PDF TOOLS GUIDEHow to add bookmarks to a PDF by page
Create a flat PDF outline with page numbers and chapter titles. Check destinations, cover-page offsets and the difference from a contents page.
Read the guide PDF TOOLS GUIDEHow to flatten PDF form fields before sending
Turn completed interactive form fields into fixed page content. Keep an editable copy and compare form flattening with rasterizing PDF pages.
Read the guide PDF TOOLS GUIDEMerge PDFs with a clickable table of contents
Combine a CV, certificates and portfolio into one PDF with a contents page. Try the original five-page example and check its links and numbering.
Read the guide PDF TOOLS GUIDESplit Scanned PDF Pages in Half — Reading Order
Turn two-page scanned spreads into single pages. Choose left/right or top/bottom cuts, keep a cover whole and check the reading order.
Read the guide PDF TOOLS GUIDEHow to split a PDF into 500 KB or 2 MB parts
Choose splitting or compression for an upload limit, check measured PDF parts and handle a page that is too large.
Read the guide PDF TOOLS GUIDEHow to Compare Two PDF Files for Text Differences
Review added and removed PDF text, understand page alignment and distinguish text comparison from a visual difference check.
Read the guide PDF TOOLS GUIDEHow to Extract Embedded Images from a PDF
Choose embedded image extraction or full-page JPG conversion, and understand decoded PNG output and unsupported vector artwork.
Read the guide PDF TOOLS GUIDEHow to combine PDFs in the right order
A simple guide to bringing assignments, invoices or documents together.
Read the guide PDF TOOLS GUIDEHow to reduce PDF size without losing readability
Understand compression trade-offs before sending your next document.
Read the guide PDF TOOLS GUIDEWhat happens to your files?
A plain-English guide to processing documents in your browser.
Read the guide PDF TOOLS GUIDEHow to extract pages from a PDF
Save selected pages as a separate PDF.
Read the guide PDF TOOLS GUIDEWhy some PDFs cannot be opened
Check encryption, incomplete downloads and browser memory limits.
Read the guide PDF TOOLS GUIDEHow to prepare a PDF for sharing
Check content, metadata, file size and the final version before sending.
Read the guide PDF TOOLS GUIDEHow to make a scanned PDF searchable
Understand OCR, searchable text and local processing.
Read the guide PDF TOOLS GUIDEHow to redact sensitive information correctly
A safe checklist for permanently removing confidential content.
Read the guide PDF TOOLS GUIDEHow to add page numbers to a PDF
Choose a format and position that readers can follow.
Read the guide PDF TOOLS GUIDEHow to check whether a PDF is accessible
A practical review for text, reading order, contrast and navigation.
Read the guide PDF TOOLS GUIDEPDF/A vs normal PDF: what is the difference?
Learn when archival PDF/A is useful and what it changes.
Read the guide PDF TOOLS GUIDEPDF permissions explained
Understand printing, copying, editing and password restrictions.
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