Open any PDF, draw highlight boxes in any color, add text notes, and download the annotated PDF. Nothing is uploaded — everything runs in your browser.
Drop your PDF here
or click to browse
Drop any PDF file into the tool.
Pick Highlight or Text from the toolbar.
Click and drag to highlight areas or click to add text.
Click "Save PDF" to download the annotated file.
JustFill automatically detects and fills every form field in your PDF — beyond simple annotations. Works on flat, scanned, and interactive PDFs.