How secure is PDFCraft's password protection?

We use standard PDF encryption to lock your documents. Since the encryption process runs entirely in your browser sandbox, your password and document are completely safe from interceptors.

Will my PDF password be saved by PDFCraft?

No. PDFCraft operates entirely client-side. We do not store, track, or log your passwords or files. Once you close the tab, all session details are permanently gone.

Will the password-protected PDF work in standard viewers?

Yes. The output is a standard encrypted PDF. It will prompt for the password when opened in Adobe Acrobat, Google Chrome, Apple Preview, or any other PDF reader.

Can I password protect PDFs offline?

Yes. After installing PDFCraft as a PWA, you can encrypt your sensitive documents offline, keeping them safe on your local drive.

Watermark PDF

Add a text watermark to your PDF document offline in your browser with visual customization controls.

Drag & drop a PDF to watermark

or browse your files

Single PDF file up to 100MB

file.pdf

Watermark Settings

Watermark Text

Font Size (pt)

Rotation (degrees)

Opacity (0.1 - 1.0)

Font Color

Ready to Watermark

Secure Local PDF Watermarking

100% Offline Processing

Add watermarks locally in-browser. Your tax invoices, corporate contracts, or slides are never uploaded to third-party databases.

Detailed Styling Sliders

Adjust parameters visually. Choose custom text values, rotation offsets, transparency/opacity levels, font sizes, and colors.

Absolute Compliance

Satisfies rigorous GDPR and HIPAA data-compliance standards by design, keeping sensitive materials safe.

Frequently Asked Questions

How do I add a watermark to a PDF offline?

Select your document, enter your desired watermark text, adjust rotation/opacity parameters, and click download. Processing is performed client-side and completed immediately.

Can I adjust the transparency of the watermark text?

Yes. The tool features an opacity slider allowing you to make the watermark text translucent (e.g. 0.3 opacity) so it doesn't block underlying document text.

Does watermarking change the quality of my PDF?

No. PDFCraft overlays the watermark characters onto the existing layout layers without re-compressing underlying text or images, ensuring zero quality loss.

Is it safe to watermark copy-restricted files?

Yes. Since all processing runs locally on your computer, your proprietary content and files are never exposed to intermediate networks.

Step-by-Step Guide Available

Learn how to watermark PDF offline and privately with detailed instructions.

Read Guide