WukongPDF Blog

PDF tips, tutorials, and product updates.

How to Convert HEIC Photos to PDF on iPhone
iPhone cameras capture photos in HEIC format by default. HEIC, High Efficiency Image Container, stores images in roughly half the file size of JPEG...
What Is the Difference Between PDF Optimization and Compression
PDF optimization and PDF compression are often used interchangeably, but they are different operations with different goals.
How to Protect a PDF From Unwanted AI Training Data Collection
AI companies train their language models on vast collections of text from the internet, including publicly accessible PDFs.
How to Convert a Static PDF Into a Fillable Form
A static PDF form is a digital piece of paper. The fields are printed on the page, but you cannot type into them.
How to Convert Scanned Handwriting Into Editable Text
OCR technology has advanced to the point where printed text recognition is a solved problem.
How to Convert Multiple Word Files to PDF in One Batch
Converting Word files to PDF one at a time is acceptable for occasional use. Converting a folder of twenty Word documents one at a time is a tedious,...
Can You Recover a PDF After Accidentally Overwriting It
You open a PDF to make a quick edit. You make the change, click save, and close the file.
How to Sign Multiple PDFs at Once in a Single Session
Signing one PDF takes under a minute. Signing twenty PDFs one at a time takes twenty minutes of repeating the same steps: upload, position signature,...
How to Compress a PDF Created From a Large PowerPoint File
PowerPoint creates PDFs differently than Word or Excel. A PowerPoint export to PDF embeds each slide as a full-page image at the slide's native...
How to Convert a PDF Page Into an Image for Social Media
A PDF report has a chart that would make a compelling social media post. A presentation PDF has a slide with the perfect quote graphic.
How to Add Page Numbers Starting From a Specific Number
Most PDF page numbering tools start counting from 1. You upload a document, add page numbers, and page 1 of the PDF gets the number 1.
How to Merge PDFs That Use Different Page Sizes and Orientations
Merging PDFs is usually straightforward: upload the files, arrange them in order, and download one combined document.
What Is the Safest Way to Share a Confidential PDF Online
The safest way to share a confidential PDF online depends on the threat you are protecting against.
How to Convert a Scan Into a Fully Searchable PDF
A scanned PDF is a collection of page images. It looks like a document, but to a computer it is a photo album.
How to Recover Access to a Password-Protected PDF From an Old Backup
You are digging through an old backup drive and find a PDF from five years ago. The filename is familiar. The document is important.
What Does Each PDF Compression Setting Actually Change
A PDF compression tool presents you with a setting labeled "Medium" or "High Compression" or a slider with no units, no...
How to Split a PDF Evenly for Team Distribution
A 200-page PDF needs to be divided among five team members for review. Each person should receive approximately forty pages covering their area of...
How to Convert Multiple PDFs to Images in One Batch
A folder contains thirty PDF reports. Each one needs a cover image extracted for use in a presentation, or a chart converted to a format that can be...
How to Convert a PDF Table Into Google Sheets Without Manual Entry
A quarterly report arrives as a PDF with fifteen pages of tables. You need the data in Google Sheets to run your analysis.
How to Protect a PDF Before Sending It to an External Partner
Sending a PDF to an external partner, a client, a vendor, or a contractor means the document leaves your control.