EbookIndiePDF & IMAGE TOOLS
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Protect PDF

Protect your PDF with a password and AES-256 encryption for free. Download the protected copy and keep your password safe. Files stay on your device.

or drop files here

✓ Total limit per task: 50 MB · 1 file⌾ Files are processed on your device. File contents are not sent to EbookIndie servers.

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How to use: Protect PDF

  1. Select one unencrypted PDF, then check the card and its preview.
  2. Enter a password of at least 8 characters and confirm it. On phones, open Settings and choose Apply.
  3. Choose Protect PDF, download and open the result with your password.

Read the full guide →

Use it for your needs

Require a password to open your PDF using AES-256 encryption.

Keep your password safe; EbookIndie does not store or recover it. Use a modern PDF reader. Unlock already encrypted PDFs first. Keep the original file.

What will I download?

One AES-256 encrypted PDF that requires a password to open.

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EbookIndie PDF Tools

All tools are free, with no daily usage limit. Open them from your computer or phone.

Windows: Desktop & Start menu

  1. Install with Chrome or Edge. Select Create desktop shortcut or Pin to Start if offered.
  2. Press the Windows key, search for EbookIndie PDF Tools, then right-click to pin it to Start.
  3. Desktop icon missing? Chrome: open chrome://apps → right-click EbookIndie PDF Tools → Create shortcuts → choose Desktop and the applications menu. Edge: edge://apps → Details → Create Desktop shortcut.

chrome://apps

Manual installation / icon update

Chrome: ⋮ → Cast, save and share → Install page as app. Edge: ⋯ → Apps → Install this site as an app. If Chrome shows App update available, review and accept the logo update. Menu names can vary.

Uninstall from Windows
  1. Open Windows Settings → Apps → Installed apps (Apps & features on Windows 10).
  2. Find EbookIndie PDF Tools → ⋯ → Uninstall.
  3. Or use the app window’s ⋮/⋯ menu → Uninstall EbookIndie PDF Tools, or the browser app manager above.

Deleting a desktop shortcut only removes the shortcut. Uninstalling does not delete PDFs already downloaded to your computer.

Android

In Chrome, tap ⋮ → Add to Home screen → Install. To remove, press and hold the app icon → Uninstall.

iPhone / iPad

In Safari, tap Share → Add to Home Screen. Enable Open as Web App if available. To remove, press and hold the icon → Remove App or Delete Bookmark.

Internet is required. File capacity limits are shown in each tool. Your browser and Windows manage Desktop and Start shortcuts.

Voluntary support

Support EbookIndie

If these tools helped you, your voluntary support can help maintain and improve EbookIndie PDF Tools.

Support via PayPal

Recipient: Heru Wijaya

Choose your own amount on PayPal. This voluntary support helps develop these tools and does not purchase a product.

Donate withPayPal

Opens PayPal in a new tab. Check the recipient and amount before confirming.

All PDF tools and downloads remain free.

Information & help