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Search & highlight

Find words in a PDF and highlight every occurrence.

Drop your file here

.pdf

How to use Search & highlight

  1. 1

    Choose a file (.pdf) or drop it into the box.

  2. 2

    Adjust the options to suit your needs.

  3. 3

    Click “Search & highlight” and download the result: highlighted pdf + report.

Your documents are processed entirely inside your browser. They are never uploaded to PDF100 or any third party, so Search & highlight is suitable for confidential files. Read our privacy policy.

Search & highlight questions

Is Search & highlight free?

Yes. Search & highlight on PDF100 is free with no account, no watermark and no daily limit. The site is supported by advertising.

Are my files uploaded when I use Search & highlight?

No. Search & highlight runs entirely inside your browser tab. The file is read and processed on your device and the result is saved straight to your downloads, so no copy reaches our servers.

Which files does Search & highlight accept?

Search & highlight accepts .pdf. The result is: highlighted pdf + report.

Is there a file size limit?

There is no fixed limit set by PDF100. Because processing happens on your device, the practical limit is your browser memory. Very large files work best on a desktop computer.

Does Search & highlight work on my phone?

Yes. Search & highlight works in current versions of Chrome, Safari, Edge and Firefox on desktop and mobile. Large documents are faster on a computer.