How to Repair a PDF File on Mac [Best 3 Fixes]

When you double-click on a PDF thumbnail to open it conventionally, you expect it to be accessible and readable. However, upon attempting to do so, error messages pop up, like "The PDF file is not valid" or "An error occurred while loading the PDF document," suggesting that there's an issue with your PDF file. So, how do you go about repairing a PDF file on Mac?

Numerous factors, such as corrupted files, viruses, improper storage or transfer, connecting the wrong storage device, system crashes, bugs, and others, can result in PDF distortion.

"The PDF file is not valid"

Solution 1: Repair PDF Files on Mac with File Repair Software

Are you looking for a PDF repair tool to repair corrupted files on Mac? If you're a Mac user, one of the best PDF repair software options for Mac is Fixo Document Repair Tool! When it comes to fixing damaged PDF files on your Mac, there's no tool more effective than Fixo. It's a comprehensive document, video, and image repair solution. Whether your PDF is inaccessible or severely damaged, this software can effectively help you repair it.

Equipped with advanced file repair modes, Fixo enables you to scan multiple corrupted PDF files, repair them promptly, and save them as全新的PDF documents. It also boasts a user-friendly graphical user interface (GUI), making it excellent for novice users. The key features of this professional file repair software for Mac include:

• Free to preview corrupted PDF files
• Fix damaged PDF files from SSD, HDD, external HDD, and USB flash drive
• Repair corrupted photos, videos, Excel, and other files.
• Repair different types of file corruption, including empty files, unreadable files, files that can't be opened, and garbled files.

Step 1. Download and install Fixo on your Mac. From the left panel, choose "File Repair." Click "Add Files" to select the corrupted Office documents, such as Word, Excel, PDF, and any other files you wish to repair.

Step 2. To repair corrupted files in bulk, click the "Repair All" button. If you wish to repair a specific document, hover your cursor over it and click the "Repair" button. You can click the eye icon to preview the repaired document.

Step 3. Click "Save" to save the selected document. To keep all the repaired documents, choose "Save All." When the saving is complete, click "View Repaired" to locate the repaired folder.

Download this professional data recovery software today. If you found this passage helpful, please share the information with your friends on social media!

Solution 2: Repair PDF Files on Mac using an Online Tool

When a file becomes damaged or corrupted, it becomes unstable. It's understandable if you don't want to download software on your desktop. In that case, premium online file repair tools can be a better option for you.

When you encounter issues like power outages, software glitches, hard disk drive failures, or any other problems that commonly lead to a corrupted PDF file, you would require Online Document Repair Tools.

Repair OnlineFor all document types This translates to: 在线修复适用于所有文档类型 Note: The translation maintains the HTML structure and attributes, and translates the text content. The alt attribute for the image has been translated to "修复文件" which means "repair files," and the text "Repair Online" is translated to "在线修复," meaning "Repair Online." The description "For all document types" is translated to "适用于所有文档类型," meaning "For all document types."

The main features of the Online File Repair tool are as follows:

• Efficiently recover faulty Excel, Word, PDF, and PPT files online using its advanced repair algorithms.
• Without installing software, it can also 修复损坏的在线图片，支持JPG、PNG、CR2等格式.
• Helps to repair documents online for free with a single click.

尝试使用Online File Repair工具吧！

Step 1. Open the official website and drag your corrupted document here. Alternatively, you can click "Upload Document" to locate where your Word, PowerPoint, Excel, or PDF files are stored.

Step 2. Before the repair process, you need to enter your email address to receive the education code you will use in step 4. Now, click "Start Repairing" to initiate the process. Wait patiently for it to complete. You can leave the site during the repair, but make sure not to close it.

Step 3. The tool will send you an extraction code once the repair is complete. Return to the page, enter your code, and click "OK" to save your file.

Fix 3: Repair Corrupted PDF Files on Mac with First-Aid

PDF corruption is highly unpredictable, with faulty sectors on your disk being the primary culprit behind damaged PDF files on a Mac. It also poses the greatest risk of data corruption in other file formats. Therefore, it's recommended that you repair the corrupted disk on your Mac using top-notch repair tools. The steps to repair the disk on a Mac are as follows:

Step 1. Launch "Disk Utility" and select the disk where you stored the corrupted PDF.

Step 2. Choose "First Aid" and click "Run" to repair the disk on your macOS.

Bonus Tip: How to Prevent Corrupted PDF Files

Due to its extensive usage globally, the format of PDF documents can become compromised if not properly managed. The PDF file type is the most straightforward way to store vast amounts of data within a single file. It also features an advanced security mechanism that enables users to apply watermarks and passwords to protect their files. The file can be easily transferred via email or external media such as CDs and USB flash drives, and you can also recover PDF files on Mac.

Data and details in PDF files can be lost due to corrupted files. However, there are several simple methods users can employ to prevent their PDF files from becoming corrupted whenever necessary:

1. You can download it first before viewing it when users receive the PDF file as an attachment.
2. You can download and save the file initially before printing or viewing it.
3. If sending PDF files via email is necessary, users should compress the PDF file into a ZIP archive, attach it, and then send it. This helps protect the PDF files from becoming corrupted during transmission.
4. To protect the PDF file from corruption and avoid the need for PDF repair, it's recommended not to open PDF files directly in a web browser.

Why Are PDF Files Corrupted on Mac

Repairing a PDF file can be quite tricky, as it might have become damaged during transfer or due to other issues. To understand the problem, you should be aware of the reasons why PDF files can become corrupted, which include:

If the data deletion were part of the PDF, it would never open due to corruption. The HDD also loses the file entirely. The most critical causes for HDD failures include system errors, missing sectors, and the like.

"Repair PDF Files on Mac" FAQs

These are the Frequently Asked Questions (FAQs) to consider:

1. How do I fix a damaged PDF on a Mac?

You can repair a corrupted PDF on a Mac using the Fixo Document Repair tool or the Online File Repair tool.

< b > 2. Can a damaged PDF file be repaired?

A corrupted file becomes non-functional. When looking into this issue, you might attempt to repair them or run a virus scanning program. If these efforts fail, you can install utilities like Fixo Document Repair tool to fix damaged files on a Mac.

3. What is the best PDF repair tool for Mac?

Fixo Document Repair tool is one of the best PDF repair tools for Mac.

4. How do I fix a PDF on my MacBook?

You can fix a PDF on your MacBook by redownloading the PDF and trying to open it again.

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Conclusion

Repairing PDF files online using any untrustworthy third-party software is not a reliable solution. However, the Fixo Document Repair tool is an all-in-one solution for fixing any corrupted PDF file. This tool effectively repairs PDFs without causing any data loss or altering their metadata, file parameters, fonts, or structure. Moreover, Fixo enables the simultaneous repair of multiple corrupted PDF files, meaning it supports batch processing for repairing PDFs.