How to Reinsert Basic EXIF Data into Images After Stripping?

Inserting Basic EXIF Data into Images

In instances where maintaining reduced file sizes is necessary, it's common practice to remove EXIF data. However, a need may arise to reinsert basic EXIF data such as copyright information or other relevant metadata. This query explores methods to accomplish this task.

Utilizing Exiftool for EXIF Data Manipulation

For precise EXIF data manipulation, Exiftool is highly recommended. This comprehensive tool allows you to insert, modify, and edit EXIF data with ease. Here's an example command:

exiftool -exif:copyright="Copyright Initrode" image.jpg

Alternative PHP Solution

PHP offers a built-in function called exif_read_data() to retrieve EXIF data from images. To add new data, you can leverage the exif_tagname() function like so:

<code class="php">$image = exif_read_data("image.jpg");
$image['Copyright']['CopyrightInitrode'] = 'Copyright Initrode';
exif_write_data($image, "new_image.jpg");</code>

Conclusion

Whether through the command-line tool Exiftool or the PHP function exif_write_data(), these methods provide effective solutions for reinserting basic EXIF data into images after stripping. These approaches empower you to maintain control over your image metadata, ensuring consistency and adherence to specific requirements.

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