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Short pieces on working with PDFs and documents: what the formats actually do, where files go wrong, and how to get a clean result.
How Do I Make a PDF Fillable?
A flat PDF has no fields to click into. Here is how to make a PDF fillable for free, adding text boxes, checkboxes and signature fields.
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Tips and answers to get more out of your PDFs.
PDF SecurityHow Do You Get Multiple People to Sign One PDF?
Free PDF signers add one person's mark at a time. Here's how to pass a PDF between signers in order, and how the law treats a file several people sign.
5 min read
Optimize PDFDoes Compressing a PDF Reduce Quality?
A plain answer on when compressing a PDF lowers quality, when it doesn't, and how to shrink a PDF without blurring text, scans or photos.
5 min read
Optimize PDFHow Do I Convert a PDF to Black and White?
What converting a PDF to black and white really does, how it differs from true grayscale, and the steps to turn a color PDF into one.
6 min read
PDF SecurityIs a PDF Signature Legally Binding?
An electronic signature on a PDF can be legally binding, but the law sets rules on intent, consent and an unaltered file before it holds up in court.
5 min read
Convert from PDFHow Do I Extract Images From a PDF?
PDF files store pictures inside them as separate data. Here's how to pull them out, and why a scanned page gives you one image, not several.
4 min read
Convert to PDFWhy Do Links Stop Working When You Save a Page as a PDF?
Why do links stop working when you save a web page as a PDF? Here's what breaks them, and how to keep every link live and clickable in the file.
5 min read
Optimize PDFHow Do I Compress a PDF to a Specific Size?
Learn how to shrink a PDF to an exact size in megabytes, why scanned and text PDFs compress differently, and what to do if it's still too big.
4 min read
Convert to PDFShould My Resume Be a PDF or a Word File?
A PDF keeps your resume looking the same everywhere, but some job portals still want Word. Here's when to use each format, and how to switch between them.
5 min read
Convert to PDFWhy Does Excel Cut Off Columns When Saved as a PDF?
Why Excel keeps cutting off columns when you save a sheet as a PDF, and how to stop it with print area, scale to fit and page orientation settings.
4 min read
Convert to PDFHow Do I Convert a HEIC Photo to a PDF?
HEIC is the photo format iPhones save by default, and many forms and printers won't take it. Here's how to turn a HEIC photo into a PDF on any device.
4 min read
Edit PDFHow Do I Add a Table of Contents to a PDF?
A guide to turning a PDF's headings into clickable bookmarks and a contents page, whether you still have the Word file or only the PDF.
5 min read
Organize PDFHow Do I Remove Pages From a PDF?
How to remove pages from a PDF, whether it actually shrinks the file, what happens to a signed PDF, and when to extract pages instead.
4 min read
Organize PDFHow Do I Permanently Crop a PDF?
Cropping a PDF usually just hides the trimmed edge, not deletes it. Here's why, and how to crop a PDF permanently so the cut part is really gone.
4 min read
Edit PDFHow Do I Add Page Numbers to a PDF?
Page numbers make a long PDF easy to navigate and cite. Here's how to add them, start from any number, skip a cover page, and match court rules.
5 min read
Convert from PDFDoes Converting a PDF to PowerPoint Keep the Formatting?
A PDF keeps a fixed layout, but PowerPoint uses editable boxes. Here is why fonts, tables and images shift, and how to convert without losing them.
6 min read
Edit PDFHow Do You Edit Text in a PDF?
You can edit text in a PDF without converting it, if the file holds real text. Here's how it works, and what a scanned PDF needs first.
5 min read
Convert to PDFDoes Converting Word to PDF Lose Formatting?
Converting Word to PDF can shift fonts and line breaks, even though the words stay the same. Here's why it happens and how to keep the layout intact.
5 min read
Edit PDFDoes Flattening a PDF Reduce File Size?
Flattening locks in filled forms, comments and signatures, but it rarely shrinks a PDF. Here's when it grows the file instead, and how to make it smaller.
4 min read
Convert from PDFDoes Converting a PDF to JPG Reduce Quality?
Turning a PDF into a JPG does lose some quality, because JPG compresses the page. Here's how much it loses, and how to keep a PDF to JPG export sharp.
4 min read
Convert from PDFHow Do I Convert a PDF to Excel Without Losing Data?
PDFs don't store rows and columns, so a PDF to Excel conversion can scramble a table. Here's why that happens and how to get clean columns out.
5 min read
Convert to PDFDoes Converting a JPG to PDF Lose Quality?
A JPG turned into a PDF usually keeps its exact quality. Here's when the conversion actually does lose detail, and how to stop it happening.
5 min read
Organize PDFHow Do I Rotate a PDF and Save It Permanently?
Why a rotated PDF page snaps back to its original angle, and how to turn the page itself and save the new orientation for good.
5 min read
Edit PDFHow Do I Add a Watermark to a PDF?
Watermark PDF stamps text or a logo across your pages in minutes. Learn how to add, place and lock in a watermark, and when it can be peeled off again.
4 min read
Edit PDFHow Do I Fill Out a PDF Form on My Computer?
A plain guide to filling in a PDF form without Acrobat: typing into the fields, adding text to a flat form, signing it and locking it.
4 min read
Organize PDFHow Do I Split a PDF Into Separate Files?
Learn the different ways to split a PDF: by page range, by file size for email, or pulling out a few pages, with no account needed.
4 min read
PDF SecurityHow Do I Compare Two PDF Files and See What Changed?
A plain guide to comparing two PDF versions: how to spot every change, read the results, and save a report you can share with others.
5 min read
Convert from PDFWhat Is PDF/A, and Why Do Courts Require It?
PDF/A locks in fonts, layout and colour so a file still opens correctly decades from now, and more courts now ask filers to use it instead of a plain PDF.
4 min read
Optimize PDFHow Do I Fix a PDF That Won't Open?
A PDF that won't open usually has a damaged internal map, not missing content. Here's why that happens and how to get the file back.
5 min read
Convert from PDFHow Do I Convert a PDF to Word Without Losing Formatting?
PDFs don't store paragraphs and tables the way Word does, so a straight conversion can guess wrong. Here's what breaks and how to get a clean Word file.
5 min read
Optimize PDFHow Do I Make a Scanned PDF Searchable?
Learn what OCR does to a scanned PDF, how accurate it really is, and the steps to turn a scan into a file you can search and copy from.
4 min read
PDF SecurityHow Do I Unlock a PDF If I Forgot the Password?
Some PDF passwords come off instantly, others can't be cracked at all. Here's the real difference, and what to actually do when you're locked out.
5 min read
Organize PDFHow Do I Merge PDF Files Without Losing Quality?
Merging PDF files should never blur text or images. Here's why quality loss really happens, how to avoid it, and what to check once your PDFs are combined.
4 min read
PDF SecurityHow Do I Sign a PDF Without Printing It?
How to add a typed or drawn signature to a PDF on screen, whether it counts as legal, and how to keep the file safe once it's signed.
4 min read
PDF SecurityHow Do I Password Protect a PDF?
How to lock a PDF with an AES-256 password, why a permissions-only lock is weak, and what to do if you forget the password later.
5 min read
PDF SecurityWhat Does Your PDF's Metadata Reveal About You?
A PDF can carry your name, the apps you used and dates in places you never see. Here's what's in there and how to clear it before you share.
4 min read
Optimize PDFWhy Is a Scanned PDF So Large, and What Shrinks It?
A scan is a stack of photos, not a document. Here's why that makes it big, and the three settings that really make the file smaller.
4 min read
PDF SecurityWhy Doesn't a Black Box Redact a PDF?
A black box drawn over text in a PDF usually leaves the words in the file. Here's why, and how to redact a PDF so the text is really gone.
4 min read