editpdf123 guides & articles
18 in-depth guides on Edit PDF 123 and related topics.
PDF troubleshooting
PDF troubleshooting
Why Can't I Edit My PDF? Security, Scans and Flattened Files
A healthy PDF that won't accept edits usually has one of three causes: a permissions password, a scanned image, or flattened content. Here's how to check and fix each.
PDF troubleshooting
How to Fix Common PDF Problems: A Troubleshooting Guide
A practical troubleshooting guide to fixing common PDF problems, from files that are too big or won't open to sideways pages and merges that fail, with clear fixes.
PDF editing how-to
PDF editing how-to
How to Fill In a PDF Form for Free (Windows, Mac, Phone)
Fill any PDF form for free on Windows, Mac, or phone. Covers fillable fields, flat forms, XFA errors, and flattening before you send.
PDF editing how-to
How to Sign a PDF for Free on Windows, Mac and iPhone
Sign a PDF for free on Windows, Mac, and iPhone using built-in tools. No watermark, no cost.
PDF editing how-to
Edit a PDF in Microsoft Edge: Draw, Highlight and Add Text
Microsoft Edge includes a free PDF toolbar for drawing, highlighting, and adding text. Learn what it can and can't do, and how to save your edits.
PDF editing how-to
How to Edit a PDF Without Adobe Acrobat (Free Options)
A practical guide to editing PDFs without Adobe Acrobat, covering free tools for page-level changes, annotations, and content editing.
PDF editing how-to
How to Rotate PDF Pages and Save the Change for Good
A practical guide to rotating PDF pages and saving the change for good. Learn to fix sideways scans, rotate single or all pages, and avoid losing your rotation.
PDF ↔ image conversion
PDF ↔ image conversion
How to Add an Image to a PDF as a New Page
Add an image to a PDF as a new page by converting the image to PDF and merging it with your existing file, or place it onto an existing page using content editing tools.
PDF ↔ image conversion
How to Convert JPG to PDF: Turn Images Into Documents
A complete guide to converting JPG to PDF. Learn the step-by-step process, how to combine multiple images into one document, and how to keep photos sharp.
PDF ↔ image conversion
How to Convert PDF to JPG: A Complete Guide
A complete guide to converting PDF to JPG. Learn the step-by-step process, how to choose resolution, and when images beat documents for sharing and posting.
Merge & split PDFs
Merge & split PDFs
How to Replace a Page in a PDF With a New Version
Replace a page in a PDF with a new version using split and merge, without rebuilding the document.
Merge & split PDFs
How to Insert a Page Into an Existing PDF
Insert a page into a PDF at any specific position by splitting the original PDF into single pages and reordering them with the new page.
Merge & split PDFs
How to Combine PDF Files Into One Document Quickly
A quick guide to combining multiple PDF files into one document. Learn the step-by-step process, how to control page order, and how to keep the result tidy.
Merge & split PDFs
How to Extract Pages From a PDF the Easy Way
A clear guide to extracting pages from a PDF. Learn the step-by-step process, how to pull single pages or ranges, and how to keep your extracted file tidy.
Merge & split PDFs
How to Merge PDF Files: A Complete Step-by-Step Guide
A complete guide to merging PDF files into one document. Learn the step-by-step process, how to reorder pages, and tips to keep your merged PDF clean and small.
Merge & split PDFs
How to Split a PDF: Separate Pages the Easy Way
A clear guide to splitting a PDF into separate pages or smaller files. Learn the step-by-step process, when to split by range, and how to stay organized.
PDF compression
PDF compression
How to Compress a PDF for Email Without Losing Quality
A practical guide to compressing a PDF for email so it slips under attachment limits. Learn the steps, the size caps to target, and how to keep quality intact.
PDF compression
How to Reduce PDF File Size Without Losing Quality
A practical guide to reducing PDF file size without losing quality. Learn what makes PDFs big, the steps to shrink them, and how to keep text and images clear.