GateFrog

Check whether a PDF file has bleed and add it if it’s missing.

Amazon recommends square product images at 2000×2000 pixels for optimal zoom functionality. The tool crops images to a 1:1 ratio; the main image also needs a pure white background.

Extract text, tables, bookmarks, and properties from PDFs, e-books, and web pages.

Read QR codes, barcodes (EAN, Code 128), and DataMatrix codes from photos and images, including multiple codes at once, and copy their contents with one click.

The page explains what bleed is, how much is needed, and how to add it afterward. It identifies white slivers along the paper edge as a common printing error.

Easy-to-understand guides to PDFs: securely redact, add bleed and print marks, PDF/A and e-invoicing, reduce file sizes, and OCR. No technical jargon.

The page explains how text recognition turns scans into searchable documents and discusses considerations for sensitive scans.

Why government agencies and accounting departments require PDF/A, what the different versions mean, and how the format relates to mandatory e-invoicing.

Find all the differences between two versions of a PDF and get a report.

Answers to common questions about Gatefrog: pricing, data security, supported formats, file sizes, and more.

Quick guides for all 104 tools, plus concepts and tips: adding files, importing from the cloud, installing the app, and troubleshooting issues.

Quick guides for all 104 tools, plus concepts and tips: adding files, importing from the cloud, installing the app, and getting help when something goes wrong.

Quick guides for all 104 tools, plus concepts and tips: adding files, importing from the cloud, installing the app, and what to do when something goes wrong.

The site offers 104 free tools for PDFs, Office documents, images, and print, including tools to merge, convert, redact, and archive. No sign-up is required, and many tools process files on the user’s device.

Protect or unlock PDFs with a password, permanently redact content, and remove hidden information.

Legal notice and privacy policy of Artoption GmbH for Gatefrog.