Draw rectangles, circles, arrows, and text annotations directly on your PDF pages using our interactive canvas overlay.
Click or drag a PDF file here
The TooliFyra PDF annotator online free tool lets you draw shapes and add text to your PDF pages through an interactive canvas overlay. Use rectangles, circles, arrows, and text boxes to mark up documents for review, collaboration, or personal notes — all processed 100% client-side.
Draw rectangles, circles, arrows, and add text annotations with customizable colors on your PDF.
Annotate different pages with easy prev/next navigation controls in the PDF annotator.
Made a mistake? Undo individual annotations or clear all annotations on a page instantly.
Annotating PDFs is essential for document review, proofreading, and collaboration. Our PDF annotator online free tool provides a simple canvas-based interface that works entirely in your browser with no software installation required.
Document Reviewers: Circle errors, highlight sections, and add text comments to PDF documents.
Designers: Mark up PDF mockups with arrows, rectangles, and annotations for feedback.
Students & Teachers: Highlight and annotate study materials, assignments, and reference PDFs.
TooliFyra offers professional PDF annotator tools with zero server uploads. Your documents stay on your device, ensuring complete privacy while you work.
Currently, you can undo individual annotations or clear all annotations on a page. Full editable annotation support is planned for a future update.
Yes, once you click "Save Annotations," the annotations are embedded as drawn elements on the PDF pages.
Yes, completely free with no limits, no watermarks, and no registration required.