PRIVATE PDF · ON-DEVICE PROCESSING
Take control of PDFs without trading away privacy.
Use eight tools to merge, extract, rotate, reorder, number, watermark and clean PDF metadata in your browser. Documents are not automatically uploaded.
Choose a toolPDF TOOLKIT
One focused tool for every job
Open the task you need, finish quickly, and download the result immediately.
Merge PDF
Combine multiple documents in the exact order you choose.
02Extract PDF pages
Turn a selected page range into a new PDF.
03Rotate PDF
Rotate an entire document by 90°, 180°, or 270°.
04Remove pages
Drop unwanted pages and create a new PDF copy.
05Reorder pages
Create a document using the page order you enter.
06Add page numbers
Place a number near the bottom of each page.
07Watermark PDF
Place translucent text across every page.
08Remove metadata
Remove basic document fields and XMP metadata.
LOCAL-FIRST
Where is your file processed?
The current eight web tools read files and create results in your browser. VietPDF does not automatically send document content, filenames or passwords to an API. This is suitable for core PDF tasks, although large files can still exceed device memory.
- No account requiredChoose a file and run core Free tasks immediately.
- Originals stay unchangedThe browser downloads a new PDF copy.
- Limits are explicitEncrypted PDFs, OCR and deep compression are not advertised.
VIETPDF KNOWLEDGE
Do more than process — understand the document
Practical guidance on privacy, metadata, digital signatures and browser limits.
Local PDF processing vs cloud processing
Understand local-first PDF tools, their tradeoffs and when uploading a document to a cloud service may be appropriate.
Read more →How to remove PDF metadata safely before sharing
Distinguish basic metadata and XMP from visible content and other embedded data before sharing a PDF.
Read more →Why PDF edits can invalidate digital signatures
Learn how document bytes, PDF signatures and merge, rotate, extract or metadata operations relate to each other.
Read more →Why large PDFs can slow down or exhaust browser memory
Understand the difference between PDF file size and RAM use, and reduce failures on memory-constrained devices.
Read more →