Free Online PDF Tools

Rich PDF processing functions, supporting local processing and cloud conversion dual modes, completely free, fast, and secure.

Local Tools · 0% Upload · 100% Privacy Cloud Tools · SSL Encryption · Auto Destroy

Merge PDF

Merge multiple PDF files into one in a specified order, supporting drag-and-drop sorting.

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Split PDF

Split a PDF into multiple separate files, or extract a specified page range.

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Delete PDF Pages

Remove unwanted pages from a PDF, quickly deleting by page number or page range.

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Watermark PDF

Add custom text watermarks to documents, supporting color, transparency, and angle settings.

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Image to PDF

Batch convert JPG/PNG images into a PDF document, supporting drag-and-drop sorting.

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PDF to Image

Render each page of a PDF into high-definition JPG or PNG images and download them as a zip.

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Word to PDF

Cloud

Convert Word documents (doc/docx) to high-definition PDF with one click, no watermark, automatic layout repair.

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PDF to Word

Cloud

Smartly convert PDF into editable Word documents (.docx), restoring layouts and tables.

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Compress PDF

Cloud

Significantly reduce PDF file size, supporting three selectable compression qualities, convenient for transmission and sharing.

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About Super PDF Tools

Super PDF Tools is a completely free online PDF processing tool set. Unlike traditional online PDF services, all our tools are implemented using pure front-end technologies, all file processing operations are done locally in your browser, and files are never uploaded to any server (except cloud mode tools which auto-destroy files after). This means:

  • Ultimate Privacy —— Your files always stay on local devices, not passing through any third-party servers.
  • No Registration Required —— No need to create an account, no login, just open and use.
  • Completely Free —— All functions are provided for free, with no file size limits, watermarks, or usage restrictions.
  • Fast Processing Speed —— Local processing eliminates upload and download waiting times, greatly improving efficiency.

Supported PDF Operations

We currently provide 9 core PDF processing features: Merge PDF (combine multiple PDFs into one), Split PDF (cut large PDFs into small files), Delete Pages (remove unwanted pages), Watermark PDF (add custom text for anti-counterfeiting), Image to PDF (batch images to PDF), PDF to Image (render PDF to HD images), Word to PDF (Word docs to HD PDF), PDF to Word (PDF to editable Word doc), Compress PDF (reduce PDF file size). More features are continuously under development, stay tuned.