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Hướng dẫn công cụ

Chọn một công cụ để xem cách dùng từng bước, nơi file của bạn được xử lý và những gì công cụ mang lại.

All tools

Tools are grouped by category. Each tool page is its guide: the steps are at the top and the FAQ is at the bottom.

Organize

Optimize

Convert

Edit

Security

Images

AI

Request signatures and workflows need a free account. Every other tool works without one.

How to use these docs

  • Each tool is explained on its page

    Every tool page has step-by-step instructions and its own FAQ. Click a tool name in the list below to go there.

  • Check the badge

    Each tool's badge tells you whether it runs on your device, on our server, or uses AI. Details are in “Where is your file processed?” below.

  • Seeing an error?

    Look up the error code or message in the troubleshooting section to find the likely cause and the fix.

Where is your file processed?

Each tool uses one of four approaches, shown on its badge:

  • On your device

    Trên thiết bị của bạn

    The tool runs in your browser and the file is not sent to any server. This is true for most tools.

  • On our server

    Trên máy chủ của chúng tôi

    The file is sent to our server over an encrypted connection, processed, and deleted right after processing.

  • Device + server option

    Chủ yếu trên thiết bị của bạn

    The tool runs on your device, and only one specific option uses the server. We say so next to that option.

  • AI

    AI

    The text is extracted from your file and sent over an encrypted connection to a third-party AI provider for processing. We don't keep the file or the text after processing. Always review the result, and don't use these tools for highly sensitive documents.

Supported formats

This is an overview. Each tool shows exactly which formats it accepts when you choose a file.

  • PDF files

    Most PDF tools accept one or more PDF files. Password-protected files need the password first.

  • Images

    JPG, PNG, WebP, GIF, BMP, AVIF, HEIC and TIFF. Converting HEIC and TIFF may use our server if your browser can't handle them.

  • Office files

    Converting Word, PowerPoint and Excel to PDF, and back, runs on our server.

  • Web pages

    Turning a web page link into a PDF or an image runs on our server.

  • Output files

    PDF, PDF/A, JPG, PNG, Word, Excel, PowerPoint, text and Markdown, depending on the tool. When a tool produces several files, they may download together as one ZIP file.

How well an Arabic PDF converts depends on how it was made. Scanned files need OCR first, and you should always check the result.

Troubleshooting by error message

If you see an error message, look up its code here:

  • The file is password-protected

    password_required

    Enter the password when the tool asks for it. If you know it, you can also remove it first with Unlock PDF and then continue.

  • Incorrect password

    wrong_password

    Check your keyboard language (Arabic or English) and capital letters, then type it again. We can't open a file without its correct password.

  • Damaged or incomplete file

    corrupt

    Download the file from its source again, try Repair PDF, or ask the sender for a new copy.

  • File is over the tool's limit

    too_large

    Split the file with Split PDF or compress it with Compress PDF first. On a phone, try very large files on a computer instead.

  • Format not supported

    unsupported

    Check which formats the tool accepts on its page. HEIC photos, for example, can be converted first with Convert to JPG.

  • Processing took too long

    timeout

    Try a smaller file or fewer pages, or split the file with Split PDF and process each part on its own.

  • The server is busy

    busy

    Wait a minute and try again. Tools that run on your device aren't affected.

  • Couldn't reach the target size

    target_unreachable

    Use fewer pages or lower image resolution, choose a slightly larger size if the portal allows it, or try the Strong level in Compress PDF (it uses our server).

  • Conversion failed

    conversion_failed

    If the file is a scan, try OCR PDF first. If the problem continues, contact us with the tool name and file type, but don't send a sensitive document.

Still need help?

Check the general FAQ, or email us at [email protected].