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  • Chat with Your PDFs

    • Talk to your papers, reports, and textbooks intelligently with Al, powered by ChatGPT.
    • Answers provide page links to the original file.
    • Keep your PDF chat records for easy reference and review.
    • Use Al prompts to activate PDF tools.
    Chat with Your PDFs
  • Crop PDFs with Ease

    • Uniformly adjust PDF page size.
    • Quickly adjust the margin size.
    • Support customized cropping of PDF pages.
    Crop PDFs with Ease
  • Organize PDFs More Efficiently

    • Convert PDFs to Office and convert Office to PDF quickly.
    • Let you crop, compress, merge, replace text, rotate pages of PDFs, and so on.
    • Can set passwords and redact PDFs to protect your files.
    • Share files with others via e-mail, links, and QR codes.
    Organize PDFs More Efficiently
  • Manage Your Documents in One Place

    • View your PDF files across devices at any time.
    • Free 10G cloud storage space.
    • Can create folders and star, rename, move files, and so on
    Manage Your Documents in One Place

Why Choose HiPDF?

  • AI Read

    AI Read

    Chat with your PDFs intelligently. Summarize, rewrite, explain content, and ask any questions about the PDF, etc.

  • Intelligent Interaction

    Intelligent Interaction

    Quickly process your files with Al. Simply enter text commands to complete tasks such as PDF conversion and compression, transforming the way you interact with PDFs.

  • Chat History

    Chat History

    Be able to keep your PDF chat records for easy reference and review in the future. Preview files faster without the need for repeated uploads.

  • Multiple Languages

    Multiple Languages

    You can chat with PDFs in any language or translate text content into other languages.

  • Cited Pages

    Cited Pages

    Answers provide page links to the original file, which supports redirecting to the specified pages to verify the authenticity of answers.

  • Secure and Convenient

    Secure and Convenient

    Adopt the most advanced encryption methods to protect your files from leakage. Process files without downloading, saving you a lot of time!

Trusted by authorities and millions of users.

HiPDF is a trusted solution for editing PDFs, backed by memberships in the PDF Association and international authoritative certifications like ISO 27001 and SSI SECURE.
Recognized by G2 in their 2024 Winter Report as a Momentum Leader and High Performer, HiPDF offers a winning combination of simplicity and power.
It edits PDFs quickly while maintaining file security, processing millions of files with ease.

PDFA ISO SSL leader high high high high
PDFA ISO SSL leader high high high high
PDFA ISO SSL leader high high high high

Free PDF tools process PDF tasks online.