How to Add an Image to a PDF
How to add an image to an existing PDF — inserting a logo, photo, signature, or graphic using free browser tools and desktop apps.
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PDF Annotation
All articles tagged with “PDF Annotation”.
How to Number PDF Pages Starting from Page 2
How to add page numbers to a PDF that start from page 2 — skipping the cover page, setting the starting number, and using Roman numerals for front matter.
Read ArticleHow to Add Comments to a PDF
How to add comments, sticky notes, and annotations to a PDF — free tools for every platform, plus tips for reviewing documents with a team.
Read ArticleHow to Highlight Text in a PDF
How to highlight text in a PDF on any device — free built-in tools on Mac, iPhone, Android, and Windows, plus browser options that work anywhere.
Read ArticleHow to Add a Hyperlink to a PDF for Free
Adding clickable hyperlinks to a PDF makes reports, proposals, and portfolios far more useful. Here's how to add links to any PDF — to URLs, email addresses, or other pages — free and paid methods.
Read ArticleHow to Flatten a PDF: What It Means and When You Need To
Flattening a PDF merges all layers, form fields, and annotations into a single permanent layer. Here's when you need to flatten, how to do it free, and what you'll lose if you do.
Read ArticleHow to Fill Out a PDF Form Without Adobe Acrobat (Free & No Sign-Up)
Need to fill out a PDF form but don't have Adobe Acrobat? Four free methods that work on Windows, Mac, iPhone, and Android — no software to install.
Read ArticleHow to View and Edit PDF Metadata (Title, Author, Keywords)
Every PDF contains hidden metadata — title, author, keywords, creation date, and software information. Here's what's in it, why it matters for privacy and professionalism, and how to view, edit, or remove it for free.
Read ArticleHow to Add a Watermark to a PDF for Free
Adding a watermark to a PDF — DRAFT, CONFIDENTIAL, your logo, or any custom text — takes under a minute in your browser. Here's how to do it free, with full control over position, size, and opacity.
Read ArticleHow to Add Page Numbers to a PDF for Free
Adding page numbers to a PDF is a one-minute job in your browser. Here's how to add numbers in any position, starting from any page, with custom formatting — free, no account required.
Read ArticleHow to Rotate Pages in a PDF (and Save It That Way)
Rotating a PDF page so it stays rotated — not just rotated in the viewer — requires saving the rotation into the file. Here's how to do it free in your browser, one page or all pages at once.
Read ArticleHow to Add Text to a PDF Without Adobe Acrobat
Need to add text to a PDF without converting it? Here's how to stamp text, labels, or annotations onto any PDF page — free, in your browser, no Acrobat required.
Read ArticleHow to Crop PDF Pages to Remove Borders and Whitespace
Cropping PDF pages removes unwanted borders, whitespace, or margins — permanently. Here's how to crop any PDF page for free in your browser with precise control.
Read ArticleHow to Create a Fillable PDF Form (Free and Paid Methods)
A fillable PDF lets recipients type directly into form fields without editing the document itself. Here's how to create one from scratch or convert an existing PDF — free and paid options.
Read Article21 free PDF tools — right in your browser.
Merge, split, compress, convert, protect, and more — no account required.