Articles
The Flint PDF library
Short, practical pieces on PDFs — fixing a typo, signing a contract, getting a file under 25 MB, picking the right format, dealing with awkward scans. 965 articles and counting.
How to Edit a PDF on Mac Beyond What Preview Can Do
Edit PDFs on Mac when Preview's basic annotation isn't enough — real text edits, form fields, signing, OCR.
3 minReadHow to Edit Text in a Scanned PDF (After OCR)
Edit text in a scanned PDF — the full path from scan to editable document via OCR.
4 minReadHow to Export Filled PDF Form Data to a Spreadsheet
Pull data out of filled PDF forms into a CSV or spreadsheet — for processing applications, surveys, or batch intake.
3 minReadHow to Extract All Images From a PDF in One Pass
Pull all images out of a PDF at original quality — for reuse, archives, or asset libraries.
3 minReadHow to Extract Tables From a PDF Into Excel
Extract tables from a PDF into Excel — preserving rows, columns, and (usually) the formatting.
3 minReadHow to Extract All Text From a PDF Quickly
Pull all the text out of a PDF — for editing, translation, search, or analysis.
3 minReadHow to Fill a PDF Form Online Without Printing It
Fill out a PDF form in your browser, sign it, save, and send back — without ever printing it.
3 minReadHow to Find and Replace Text in a PDF
Find and replace text across a PDF — update client names, dates, references, or boilerplate in one pass.
3 minReadHow to Fix a Corrupted PDF That Won't Open
Recover a PDF that won't open or shows errors — repair methods, content extraction, and when to give up.
4 minReadHow to Fix PDF Formatting Issues (Fonts, Layout, Spacing)
Fix common PDF formatting problems — missing fonts, broken layout, wrong spacing — without rebuilding from scratch.
4 minReadHow to Flatten a PDF (Lock Edits, Forms, Signatures)
Flatten a PDF — lock annotations, form fields, and signatures into the page so they can't be edited or removed.
3 minReadHow to Flatten Form Fields in a PDF After Filling
Flatten filled form fields into the page so the data is locked and can't be edited or extracted.
3 minReadHow to Get All the Text Out of a PDF in Plain Format
Get plain text out of a PDF for translation, processing, or reuse — works on scanned PDFs too via OCR.
3 minReadHow to Hide or Black Out Text in a PDF
Hide or black out sensitive text in a PDF properly — using redaction, not just visual overlays that can be removed.
3 minReadHow to Host a PDF Online for Sharing or Embedding
Host a PDF online with a shareable URL — for embedding, public download, or document references.
3 minReadHow to Insert a Page Into the Middle of a PDF
Insert a page into a PDF — at any position, from any source — without disturbing the original layout.
3 minReadHow to Make a Clean PDF Look Like a Scanned Document
Make a clean PDF look like it was scanned — for visual consistency in archives or when submission requires scan-style documents.
3 minReadHow to Make a PDF Properly Printable (No Margins, Page Size Right)
Prepare a PDF for clean printing — right page size, sensible margins, no surprises at the printer.
4 minReadHow to Make a PDF Read Aloud (Built-In and External Tools)
Get a PDF read aloud on Mac, Windows, iPhone, or Android — and tune the source for the best results.
3 minReadHow to Make a Scanned PDF Searchable With OCR
Turn a scanned PDF into a searchable, copy-able document by running OCR.
3 minReadHow to Merge PDFs With Different Orientations (Portrait + Landscape)
Merge PDFs that mix portrait and landscape orientation — without forcing everything to the same direction.
3 minReadHow to Move Pages Within a PDF (Reorder Sections)
Move pages around within a PDF — drag-and-drop reordering for individual pages or whole sections.
3 minReadHow to Number PDF Pages Starting From a Specific Page
Start PDF page numbering from a specific page — useful for skipping cover pages, restarting in appendices, or custom numbering schemes.
3 minReadHow to OCR a PDF for Searchable, Editable Text
Run OCR on a scanned PDF to make it searchable and editable — with multi-language support and accuracy tips.
4 minReadHow to Print a PDF as a Booklet (Folded Pages, Right Order)
Print a PDF as a booklet — folded, page-ordered, ready to staple — using home printers or commercial shops.
3 minReadHow to Print Multiple PDF Pages on One Sheet (2-Up, 4-Up, 6-Up)
Fit multiple PDF pages onto a single printed sheet — 2-up, 4-up, 6-up — for paper savings and quick handouts.
3 minReadHow to Print a PDF Without Margins (Full Bleed, Edge-to-Edge)
Print a PDF edge-to-edge with no white margin — settings for home printers and tips for commercial print shops.
3 minReadHow to Protect a PDF From Text and Image Copying
Restrict copying of text and images from a PDF — how it works, when it stops casual copying, and what it can't prevent.
3 minReadHow to Protect a PDF From Being Edited
Stop a PDF from being edited with password and permission flags — for contracts, finalised reports, and anything you don't want changed.
3 minReadHow to Protect a PDF From Being Printed
Prevent a PDF from being printed using permission flags — useful for restricted distribution, with realistic security caveats.
3 minReadHow to Remove Blank Pages From a PDF Automatically
Strip blank pages out of a PDF — automatic detection plus manual cleanup for borderline cases.
3 minReadHow to Remove Formatting From PDF Text (Strip Styles, Plain Text)
Strip styling from PDF text — colours, fonts, bold — for clean plain text suitable for reuse or republishing.
3 minReadHow to Remove Metadata From a PDF Before Sharing
Strip metadata — author, creator, software, history — from a PDF before public or sensitive sharing.
3 minReadHow to Remove Pages From the End of a PDF
Trim pages from the end of a PDF — for cutting drafts short, removing appendices, or stripping trailing blank pages.
3 minReadHow to Remove a Watermark From a PDF (Yours or With Permission)
Remove watermarks from PDFs you have the right to modify — methods, limits, and when redaction is needed.
3 minReadHow to Rename or Label Pages in a PDF (Page Labels)
Label PDF pages with names — chapters, sections, custom identifiers — instead of plain numeric sequence.
3 minReadHow to Replace Specific Text in a PDF
Replace specific words, phrases, or sections in a PDF — for boilerplate updates, name changes, or content corrections.
3 minReadHow to Save an Email as a PDF for Records
Save an email as a PDF for records, archiving, or legal purposes — from Gmail, Outlook, Apple Mail, or any client.
3 minReadHow to Scan a Document to PDF on Phone or Scanner
Scan documents directly to PDF from phone or scanner — with OCR for searchability and clean output.
4 minReadHow to Share a PDF With a Password So Only the Right People Can Open It
Share a PDF with password protection so only the intended recipient can open it — covering setup, delivery, and key handover.
3 minRead