PDF Studio · Toolkit
Lock & unlock PDF
Add 256-bit AES password protection to a PDF or remove a known password.
Runs in your browser — no data is sent to the server.
🔒 Privacy guarantee: Your documents are never stored permanently on the server. Server-side operations run in memory and temporary data is deleted as soon as they finish.
Drag a PDF here or click to choose
ADDED PDF FILES
0 files
Total pages: -
UPLOADED IMAGES
0 images
Single-page PDFs download as one image; multi-page PDFs download all pages as a ZIP archive.
Draw your signature in the box with a mouse or touch screen.
SAYFALAR
📝
Microsoft Word document (.docx)
Text, paragraphs, tables and images are kept as editable Word elements.
Rendered in the background with Chromium; all CSS and fonts are printed faithfully.
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Automatic structural repair engine
Rebuilds broken cross-reference (XREF) tables, missing stream indexes and damaged object trees.
The text of all pages is downloaded as a clean UTF-8 .txt file.
- Privacy guarantee: Merge, split, images to PDF, page numbers, watermark, sign and organise run
pdf-lib100% locally in your browser; your files never leave your device. - High-performance server engine: Compression (Ghostscript), PDF to images (pdftoppm) and locking (256-bit AES) are processed in secure temporary memory on the server, and the file is permanently deleted as soon as the job finishes.
- You can process files of up to 100 MB at a time.