Highlight PDF
Highlight text runs or any region.
Drag over text to highlight matching text runs, or highlight a free rectangle. Pick from four colours; highlights are multiplied over the page so text stays legible.
Runs in your browserAccepts PDFOutput PDF
Open in the editor
Highlight PDF runs inside the DOCAXO editor. Drop a file and it opens with the highlight tool selected. Counts as one of your daily files on the Free plan.
Drop a PDF here or
Your file stays in this browser until you run a server tool.
Limits & fidelity
Your file never leaves your device. Rendering and export happen with PDF.js and pdf-lib in the tab.
- Highlights are drawn into page content on export, not stored as PDF markup annotations.
Free plan: 3 files a day, 15 pages per document, 15 pages per job. No watermark on any plan. Compare plans.
Questions
- Does Highlight PDF upload my file?
- No. It runs in your browser with PDF.js and pdf-lib. The file only leaves your device if you later run a server tool on it.
- Is there a watermark or a fee?
- No watermark on any plan. The Free plan includes 3 files a day and 15 pages per document; this tool does not use heavy-processing credits. Pro (€6/month) removes the caps.
- What should I know before relying on Highlight PDF?
- Highlights are drawn into page content on export, not stored as PDF markup annotations.
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