Tutorials
Step-by-step guides to help you get started
Markdown Editor User Guide
Learn how to write, preview and export Markdown documents in your browser.
Document Privacy Checker User Guide
Learn how to inspect, clean and download files with hidden metadata removed.
Merge PDF User Guide
Learn how to combine multiple PDF files into one document in your browser.
Image to PDF User Guide
Learn how to convert JPG, PNG, WebP images to PDF with custom page settings.
Compress PDF User Guide
Learn how to reduce PDF file size with different compression modes while maintaining quality.
Split PDF User Guide
Learn how to split PDF files by pages, ranges, or odd/even pages in your browser.
PDF to Word User Guide
Learn how to convert PDF files to editable Word documents in your browser.
PDF to Excel User Guide
Learn how to convert PDF tables to Excel spreadsheets with automatic table detection.
HEIC to JPG/PNG User Guide
Learn how to convert HEIC/HEIF images to JPG or PNG format with batch processing support.
Why Black Rectangles on PDF Don't Equal Permanent Deletion?
Learn why black rectangles on PDF may not truly delete sensitive content, and how to perform proper PDF redaction.
How to Remove Author Information from Word Resume Before Sending?
Learn how to clean author, company, comments and revision data from Word resumes before sending to recruiters.
How to Check If a Photo Contains GPS Location? View and Remove Photo Location Info
Photos may store GPS coordinates in EXIF. Learn how to check and remove location metadata on Windows, Mac, iPhone, Android and in browser.
What Hidden Personal Information May Be in PDF Files? Complete Check and Cleanup Guide
Besides content, PDF may also store author, comments, attachments, forms, OCR text, hidden layers and XMP metadata. Learn common privacy risks, checking methods and cleanup workflow.
How to Securely Share Bank Statements and Contracts? Redaction, Encryption and Transmission Guide
Learn how to reduce pages, permanently redact sensitive information, clean hidden metadata, add watermarks, set passwords and send through secure channels before sharing bank statements and contracts.