Guides
Welcome
First steps
Getting started
Processing a PDF
Common functions
Topics
Encrypt files
Error handling
Tool guides
Merge PDF Guide
Split PDF Guide
Compress PDF Guide
Convert Office to PDF Guide
Convert PDF to JPG Guide
Convert Images to PDF Guide
PDF to PDF/A Guide
HTML to PDF Guide
Validate PDF/A Guide
Rotate PDF Guide
Unlock PDF Guide
Protect PDF Guide
Watermark PDF Guide
Add Page Numbers Guide
Repair PDF Guide
Extract Text Guide
Edit PDF Guide
Unlock PDF Guide
Develop your own solution to remove security from password protected files by integrating with iLovePDF’s REST API.
Remember that in order to use our Tool Guides, you need to have previous knowledge about the basics to
processing a PDF with our REST API. We strongly recommend that you read the Processing a PDF guide
before starting this one.
Basic unlock PDF
Basic unlock PDF
Unlock tool will try to unlock the files which are protected with a password. If it succeeds, the PDF file will return as a password-free document to download. If the Unlock tool fails, the system will inform you with an error message indicating which files failed.