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PDF Editor

Annotate, draw and highlight PDFs

Free forever — no sign-up, nothing uploaded. Files never leave your device.

braincoder.app/use/pdf-editor

PDF Editor

Annotate, draw and highlight PDFs

Drop your file here

or browse from your device

Browse files

document.pdf

1.2 MB

report.pdf

860 KB

100% private

Nothing is uploaded — everything runs in your browser.

Free forever

No account or payment required.

No sign-up

Open the tool and start using it right away.

Local processing

Processing time depends on your input and device.

About this tool

Open a PDF and add text, drawings, highlights and boxes — then save it as an edited PDF, all in your browser with no upload.

PDF Editor is a comprehensive, browser-based tool that lets you annotate, markup, and make basic edits to PDF documents without any software installation. Add text annotations, draw freehand, highlight important sections, add shapes and arrows, insert sticky notes, and fill in form fields—all with intuitive point-and-click controls. It's the all-in-one solution for reviewing, marking up, and collaborating on PDF documents.

Whether you're a teacher grading student work, a project manager reviewing proposals, a designer providing feedback on mockups, or anyone who needs to annotate PDFs without expensive software, PDF Editor delivers a complete set of markup tools in a clean, easy-to-use interface. The editor supports multiple annotation types, customizable colors and sizes, and undo functionality for easy corrections. All editing happens client-side, ensuring your documents remain completely private.

Key features

Everything you get with PDF Editor — no premium upsell.

Add text annotations and comments to PDF pages

Highlight, underline, and strikethrough text

Draw freehand with customizable colors and thickness

Add shapes: rectangles, circles, arrows, and lines

Fill in interactive PDF form fields

100% client-side editing with no file uploads

How to use PDF Editor

Follow the steps below to use the tool.

  1. 1

    Upload PDF

    Drag and drop your PDF file or click to select it from your device.

  2. 2

    Select Annotation Tool

    Choose from text, highlight, draw, shapes, or form-filling tools from the toolbar.

  3. 3

    Annotate Document

    Click and drag on the PDF to add your annotations, markings, or form entries.

  4. 4

    Save and Download

    Save your edits and download the annotated PDF with all markups preserved.

Still free, still private — your files never leave your device.

Launch PDF Editor

Frequently asked questions

Quick answers before you launch the tool.