PDF Converter & Processor

Everything runs locally in your browser — files are never uploaded.
Crop / watermark applied
Page selection (click a thumbnail to toggle; export processes only selected pages)
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PDF Operations
Enable, then drag on the preview above to keep an area; drag the border and handles to adjust.
Trims the specified distance from each of the four page edges, in pt.
Crop applies to all selected pages.
Watermark supports Chinese, English, numbers and common symbols
Position
When checked, the watermark repeats diagonally across every page
More operations (rotate / delete / reorder / split...) coming as plugins
Convert to images (JPG / PNG)

Other Conversions

PDF Converter & Processor - View PDF Info, Crop Pages & Add Watermarks

What is PDF Converter & Processor?

PDF Converter & Processor is a browser-based PDF tool for viewing document information, converting PDF pages to JPG or PNG images, combining multiple images into a PDF, cropping pages, and adding text watermarks. Files are processed entirely in your browser and are never uploaded to the server, making the tool suitable for documents containing sensitive information.

What features are supported?

The tool provides six functions: PDF information viewing, PDF to JPG, PDF to PNG, image to PDF, page cropping, and text watermarking. All processing is performed locally by JavaScript in your browser.

How do I use it?

Select a PDF file, switch to the required function, configure the available options, and click the corresponding action button. The processed result can then be downloaded directly. When converting multiple PDF pages to images, the results are automatically packaged into a ZIP file.

What PDF information can I view?

You can view the page count, PDF version, first-page dimensions, author, title, creation time, and modification time to quickly check the document properties.

What image quality and page range options are available?

When exporting JPG or PNG images, you can choose standard, high, or very high quality and specify page ranges such as 1,3,5-8. Multiple exported pages are automatically packaged into a ZIP file.

What page sizes and margins are available for image to PDF?

Multiple JPG, PNG, or WebP images can be combined into a PDF in the selected order. Page size can follow the image dimensions or use A4 or Letter, orientation can be automatic, and margins can be adjusted.

Frequently asked questions

Encrypted PDFs are not currently supported. Text watermarks support Chinese, English, numbers, and common symbols, and fonts can be embedded. The maximum file size is 30 MB and up to 500 pages can be processed at a time. For very large files, split the PDF first.

How do I use the PDF Converter & Processor?

Select a PDF to view document information, crop page margins, add text watermarks, and export the processed PDF. All processing is completed locally in your browser, and files are not uploaded to the server.

  • View PDF page count, version, page dimensions, author, and other document information
  • Crop page margins from the top, bottom, left, or right without rasterizing or reducing image quality
  • Add text watermarks to all or selected pages with adjustable angle and opacity
  • Watermarks support Chinese and English text, with font embedding
  • Select a crop area by dragging directly on the page or enter precise margin values
  • All processing is completed locally in the browser, and files are not uploaded to the server
To export PDF pages as images, use the PDF to Image tool. To combine images into a PDF, use the Image to PDF tool. To merge, split, or rearrange PDF pages, use the PDF Merge & Split tool.
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