AI-assisted web reading and annotation

Understand complex pages without losing context

Extract key points, explain terms, create structured annotations beside the source, and pick up where you left off.

Add to Chrome

Chrome, Edge, and Firefox · Core annotation stays free

SparkColors highlighting a technical page with AI reading context
Features

From page understanding to connected review

AI analysis, public annotations, structured notes, and connected review built around the page in front of you.

Understand and annotate

Understand the page, then record the passages and judgments that matter.

01

AI page analysis

Extract page structure and key content, explain terms, and ask follow-up questions grounded in the current page.

02

Public annotations and reader perspectives

Review public annotations and thoughts on the same page for additional evidence and different viewpoints.

03

Structured annotation

Mark key points, questions, insights, and judgments while preserving the original context.

Organize and revisit

Resume later, reconnect related content, and move your data when needed.

Connected review

Connect annotations and thoughts by page, topic, and entity so related material is easier to revisit.

Reading continuity and position tracking

Keep your reading position and key passages so you can quickly recover context when you return.

Data export and migration

Export annotations, thoughts, and documents for backup or use in other knowledge tools.

How it works

Build a web reading workflow in three steps

01

Install the extension and open a page

Use SparkColors directly in technical documentation, research materials, and long-form content.

02

Get the page structure and key content

Use AI to extract key points and explain terms, then compare public annotations on the same page.

03

Annotate, resume, and review

Record key passages and judgments, resume later, reconnect related material, and export your data.

Keep clear context while reading complex pages

Use AI page analysis, structured annotation, and position tracking to reduce repeated reading and tool switching.

Add to Chrome