Best Drawboard PDF: Annotate, merge, split, convert Alternatives in 2026

Drawboard PDF: Annotate, merge, split, convert is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.

About Drawboard PDF: Annotate, merge, split, convert

Mark up and collaborate on any PDF with ease with Drawboard PDF. Millions of engineers, architects, lawyers, students and educators are using Drawboard PDF for fast and collaborative PDF markup. Our powerful PDF tools are helping streamline workflows and reduce the world’s reliance on paper. **Installing the Google Chrome Extension enables you to:** 1. Attach Drawboard PDF cloud files to emails directly from the compose window in Gmail. 2. Open PDF email attachments in Drawboard PDF instantly. 3. Open PDFs from the web directly in Drawboard PDF, granting you instant access to a suite of PDF tools. With Drawboard PDF you can: - Annotate PDFs - Collaborate on PDF files in real-time - Sign documents - Convert images to PDF - Review documents with highlighters, text underline, strikethroughs and more - Insert notes, text, shapes, lines and images - Use bookmarks to create easy navigation within documents - Utilize AI tools to summarize, rephrase, translate text and more! With advanced tools you can: - Merge, split and reorganize PDFs - Measure elements on your page - Add hyperlinks and audio notes to PDFs - Insert callouts - Apply various line styles and line endings - Save and store annotations for use at any time - Use grid & line overlays and templates as well as your own custom templates - See a detailed Annotation history and conduct construction takeoffs - Use OCR to make image text selectable and searchable - Redact text or sections of PDFs And more. Available on Windows, iOS, macOS, Android and in your web browser.

4.6~3K+ users

Freemium

Full review

Comparison at a glance

Extension	Rating	Users	Pricing	Best for
Drawboard PDF: Annotate, merge, split, convert (original)	4.6	3K+	Freemium	Powerful PDF tools for every job. Mark up, edit and collaborate on PDFs. Fill, sign, convert and measure seamlessly in your browser.
ColorZilla	4.6	4M+	Free	Designers and front-end developers matching colours from live sites.
WhatFont	4.0	3M+	Free	Designers auditing typography on competitor and reference sites.
Adobe Photoshop	3.8	800K+	Free	Easily remove backgrounds, adjust colors and more. Plus, get 6 months free access to Photoshop web.
Earth View from Google Earth	4.2	600K+	Free	Experience a beautiful image from Google Earth every time you open a new tab.
Zoom Video - UltraWide Fill	4.5	400K+	Free	Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video.
Dark Theme - Dark mode for Chrome	4.3	400K+	Free	Dark mode switch any websites to dark theme. Take care of your eyes day using a classic dark reader or change screen brightness.
Muzli - Design inspiration hub	4.5	400K+	Free	Your daily dose of design with industry news, tools, and inspiration - all in one place.
Web Paint - Page Marker & Editor	4.5	400K+	Free	Draw shapes, paint lines, paint curves, add text on pages in real time. Take screenshot or print it. Paint Online.
Boxel 3D	4.6	300K+	Free	Boxel 3D is a speedrunning game packed with challenging levels, custom skins, online multiplayer, and a creative level editor.
Figma	4.2	300K+	Free	Figma

Drawboard PDF: Annotate, merge, split, convert alternatives in detail

1. ColorZilla

Eyedropper, colour picker and gradient generator.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Eyedropper, colour picker and gradient generator.

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2. WhatFont

Identify the fonts used on any web page.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Identify the fonts used on any web page.

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3. Adobe Photoshop

Easily remove backgrounds, adjust colors and more. Plus, get 6 months free access to Photoshop web.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Easily remove backgrounds, adjust colors and more. Plus, get 6 months free access to Photoshop web.

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4. Earth View from Google Earth

Experience a beautiful image from Google Earth every time you open a new tab.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Experience a beautiful image from Google Earth every time you open a new tab.

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5. Zoom Video - UltraWide Fill

Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video.

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6. Dark Theme - Dark mode for Chrome

Dark mode switch any websites to dark theme. Take care of your eyes day using a classic dark reader or change screen brightness.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Dark mode switch any websites to dark theme. Take care of your eyes day using a classic dark reader or change screen brightness.

View Extension

7. Muzli - Design inspiration hub

Your daily dose of design with industry news, tools, and inspiration - all in one place.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Your daily dose of design with industry news, tools, and inspiration - all in one place.

View Extension

8. Web Paint - Page Marker & Editor

Draw shapes, paint lines, paint curves, add text on pages in real time. Take screenshot or print it. Paint Online.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Draw shapes, paint lines, paint curves, add text on pages in real time. Take screenshot or print it. Paint Online.

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9. Boxel 3D

Boxel 3D is a speedrunning game packed with challenging levels, custom skins, online multiplayer, and a creative level editor.

Why it replaces Drawboard PDF: Annotate, merge, split, convert: Another popular Design extension: Boxel 3D is a speedrunning game packed with challenging levels, custom skins, online multiplayer, and a creative level editor.

View Extension