Daschmi

A lightweight plugin to protect email addresses from email-harvesting. Replace all @ in content with (at) and protect the E-Mail adress with javascript. Inspired by TYPO3.

EmailScrambler

A lightweight plugin to protect email addresses from email-harvesting

GrandPlugins

Protect PDF files by passwords on your WordPress Website. 
PDF Password Protect plugin offers an easy way to set passwords and control edit permissions to your PDF files.
<h3>Features</h3>
<ul>
<li>Add user password to prevent opening the PDF file.</li>
<li>Add owner password to disabled PDF file edit permissions:</li>
</ul>
<h4>Permissions to disable</h4>
<ul>
<li>copy: copy text from PDF file.</li>
<li>print: print the PDF file.</li>
<li>comment: add comments to PDF file.</li>
<li>comment – fill form: Add comments and fill forms to PDF file.</li>
</ul>
<h3>For more features</h3>
👉 <a href="https://grandplugins.com/product/pdf-password-protect?utm_source=free" rel="nofollow ugc">Pro</a> | <a href="https://grandplugins.com/documentation/wp-pdf-password-protect/" rel="nofollow ugc">Docs</a> 👈
<ul>
<li>
Set passwords automatically to uploaded PDF files.
</li>
<li>
Set passwords to bulk PDF files.
</li>
<li>
Remove passwords from PDF files.
</li>
<li>
Overwrite PDF file owner password.
</li>
<li>
Restrict PDF files from view or download
</li>
<li>
Sell WooCommerce Downloadable PDFs protected with a password for each customer.
</li>
</ul>
<h3>Requirements</h3>
The plugin needs two packages to be installed on your server in order to handle complex PDF files that have forms – annotations – bookmarks and to handle some PDF files which use Compressed Cross-reference and Object Streams for data structure.
<ul>
<li>QPDF min V 9.1.1</li>
<li>GhostScript</li>
</ul>
<h3>How to use</h3>
<ul>
<li>Activate the plugin</li>
<li>Upload PDF file</li>
<li>Access the PDF attachment edit page from media page</li>
<li>You can add password to the PDF file from the Sidebar metabox “PDF password options”.</li>
</ul>
<h3>Check Our other plugins</h3>
<a href="https://grandplugins.com/product/woo-order-splitter/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Order Splitter</a>
<a href="https://grandplugins.com/product/woo-user-orders-limit/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo User Orders Limit</a>
<a href="https://grandplugins.com/product/woo-conditional-gateways/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Conditional Gateway</a>
<a href="https://grandplugins.com/product/wp-db-controller/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">WP DB Controller</a>
<a href="https://grandplugins.com/product/woo-lemonsqueezy-gateway/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Lemonsqueezy Gateway</a>
<a href="https://grandplugins.com/product/woo-instock-notifier/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo instock Notifier</a>
<a href="https://grandplugins.com/product/woo-gift-cards/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Gift Cards</a>
<a href="https://grandplugins.com/product/woo-restrict-orders/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Restrict Orders</a>
<a href="https://grandplugins.com/product/woo-bulk-price-change/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Bulk Price & Stock Manager</a>
<a href="https://grandplugins.com/product/woo-variation-sold-individually/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Variation Sold individually</a>
<a href="https://grandplugins.com/product/woo-paddle-checkout/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Paddle Checkout</a>
<a href="https://grandplugins.com/product/woo-sales-notification/?utm_source=free&utm_medium==pdf-password-protect" rel="nofollow ugc">Woo Sales notifications</a>
<a href="https://grandplugins.com/product/woo-cart-tracker/?utm_medium=wp&utm_source=pdf-password-protect" rel="nofollow ugc">Woo Cart Tracker</a>
<a href="https://grandplugins.com/product/woo-best-seller/?utm_medium=wp&utm_source=pdf-password-protect" rel="nofollow ugc">Woo Best Sellers</a>
<a href="https://grandplugins.com/product/woo-sales-notification/?utm_medium=wp&utm_source=pdf-password-protect" rel="nofollow ugc">Woo Sales notifications</a>
<a href="https://grandplugins.com/product/woo-advanced-captcha/?utm_medium=wp&utm_source=pdf-password-protect" rel="nofollow ugc">WP Advanced Captcha</a>
<a href="https://grandplugins.com/product/woo-advanced-pricing/?utm_medium=wp&utm_source=pdf-password-protect" rel="nofollow ugc">Woo Advanced Pricing – Discount & Quantity Swatches</a>
<a href="https://grandplugins.com/product/woo-advanced-add-to-cart/?utm_medium=wp&utm_source=pdf-password-protect" rel="nofollow ugc">Woo Best Sellers</a>
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PDF Password Protect

Protect PDF files by passwords on your WordPress Website.

EmailScrambler vs PDF Password Protect