Lock PDF and Compress PDF on Mobile
01. Upload a document from your computer or cloud storage.
02. Add text, images, drawings, shapes, and more.
03. Sign your document online in a few clicks.
04. Send, export, fax, download, or print out your document.
Discover how to easily lock PDF and compress PDF on mobile and make the most of your documents
Create secure and intuitive eSignature workflows on any device, track the status of documents right in your account, build online fillable forms – all within a single solution.

How you can Lock PDF and Compress PDF on Mobile
Are you feeling hard-pressed to find a trustworthy solution for all your document management needs, including the ability to Lock PDF and Compress PDF on Mobile? airSlate SignNow is designed to make your document editing and completion experience as easy as possible, regardless of the complexity. Our solution provides a rich collection of business-ready document editing, endorsing and collaboration and organization tools you’ll find user-friendly enough to accommodate beginners and pro users.
- Visit the airSlate SignNow homepage.
- Register or sign in to your existing account.
- Select one of the options to add your document.
- Open your document in our editor.
- Explore the left and top toolbar and find the ability to Lock PDF and Compress PDF on Mobile.
- Apply other features to optimize or manage your document.
- Save the modifications and download the file.
No matter what tool you apply or the activity you perform, airSlate SignNow always makes certain that your work is secure and breezy. Sign up for airSlate SignNow today and get a holistic solution that is suitable for any workflow!
How it works
Open your document in our editor.
Edit, modify, sign, and send your document out for completion.
Save and store your file securely.
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FAQs
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How do I compress a PDF file on my iPhone?
How to reduce PDF file size on iPhone. Open Safari or any other web browser on your iPhone. Navigate to the Acrobat online PDF compressor. Tap “Select a File” and upload your PDF. ... After uploading, Acrobat will automatically reduce the size of your PDF. ... Download your compressed PDF and share it. -
How do I compress a locked PDF?
Open a PDF in Acrobat. Open the Optimize PDF tool from the pane on the right. Click Advanced Optimization in the toolbar at the top and specify your compression needs, then click OK. Select a location to save your file and click Save. -
How to decrease the size of a PDF file in mobile?
When you're done making changes to your PDF, tap the three-dot menu in the top-right corner of the screen. Select Compress PDF. Choose from high, medium, and low compression based on the current size of your PDF. Low compression will not affect the overall quality of your document. -
Can you lock a PDF so it cannot be edited?
Open a file in Acrobat and choose “Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a certificate or password. Set password or security method as desired. Click “OK” and then click “Save.” -
How can I remove lock from PDF?
How to remove password from PDF Open the PDF in Acrobat Pro on Windows or Mac. Choose Tools › Encrypt › Remove Security. If the document has a Document Open password, click OK to remove it. If the document has a permissions password, type the correct password in the Enter Password box and then click OK. -
How do I reduce the size of a locked PDF?
Optimize the file size of your PDF Open a PDF in Acrobat. Click the Optimize PDF icon from the menu on the right. ... Click Reduce File Size in the toolbar. On a personal computer, set the version compatibility and select OK . ... Choose a location to save your file and click Save.
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How do I force compress a PDF?
How to reduce PDF size on Windows using Microsoft Word: Open the PDF in Microsoft Word (this converts the PDF to an editable Word document). Go to File > Save As. Choose 'PDF' as the file format. Before saving, select 'More' options. In the options dialog, select 'Minimum size (publishing online)'. -
How to lock a PDF in mobile?
How to set a password to protect PDFs on Android. Navigate to the password protection page in your preferred browser using your Android device. Click the button labeled “Select a file” to choose and upload your PDF from your Android. Create and enter a strong password, then retype it to confirm. -
How do I reduce the MB size of a PDF?
How to make a PDF file size smaller. Visit Acrobat online services and navigate to the Compress page by clicking Compress in the menu. Click or tap on the “Select a file” button. Choose the file from your device or from a cloud service like Google Drive. ... Your file will upload and compress. -
How do I convert a locked PDF?
Here are the detailed steps to unlock a PDF and convert it to Word using Adobe Acrobat Pro DC: Open the Secured PDF with Adobe Acrobat Pro. ... Change Security Method Under Document Properties. ... Export the PDF File. ... Save Your PDF as a Word Document. ... Use PDF Unlocker Online. ... Convert Decrypted PDF to Word. ... Export the Final Format. -
How to compress a file in mobile?
0:41 1:38 They will be highlighted. Once selected with the files selected tap on the menu icon three verticalMoreThey will be highlighted. Once selected with the files selected tap on the menu icon three vertical dots a menu will appear click on the compress. Option from the menu. So click on compress. Here. -
How to compress a PDF on mobile?
Here's how to compress to ZIP on your iOS or Android device: Download the iLovePDF Mobile App. Open the App. Import your files from your phone's device or the Cloud. At the top right side of the screen, tap Select. Choose your files, then in the bottom toolbar, tap on More. Select the option, Compress in ZIP.
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