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Text Assistant - Chrome Extension

Explains, proofreads or turns selected text into a chart using your own OpenAI key.

Checked 3 Oct 2026 Reviewed by Alex Listed since September 2024

Screenshot of Text Assistant - Chrome Extension

At a glance

Starts at Free No paid plan found on the Chrome Web Store, September 2026.
Free tier Yes
Platforms Chrome, API
Best for People wanting quick explanations or charts from web text
Not for Anyone without their own OpenAI API key

3.9 out of 5

Scored by Alex after real use

Our verdict

Text Assistant works on whatever you select in the browser: get an explanation, run a grammar and spelling check, or turn the text into a chart, all using OpenAI's models behind the scenes. It's a simple, single-purpose utility rather than a full writing suite, aimed at quick one-off requests. Nothing runs until you enter your own OpenAI API key in the settings, and with no ratings yet its reliability is untested.

✓What it does well

Selection-based explanationsExplains any text you select directly in the browser.
Grammar and spelling checksProofreads selected text for grammar and spelling issues.
Text-to-chart generationTurns selected text into a generated chart.

✕Where it falls short

Bring your own API keyIt only works after you enter your own OpenAI API key.
No ratings yetThere are no ratings on record, so reliability is unproven.
Minimal feature setIt offers a basic, fixed set of actions rather than open-ended chat.

Key features

Text explanationGenerates an explanation of any selected text.
ProofreadingChecks selected text for grammar and spelling errors.
Chart generationCreates a chart from selected text content.
Bring-your-own API keyRuns on your own OpenAI API key rather than a shared service.

Questions about Text Assistant - Chrome Extension

What does Text Assistant - Chrome Extension do?

Text Assistant - Chrome Extension works on whatever text is selected in the browser. It can explain the text, check it for grammar and spelling errors, or turn it into a generated chart, all using OpenAI's models behind the scenes. The reviewer describes it as a simple, single-purpose utility for quick one-off requests.

Does Text Assistant - Chrome Extension need an OpenAI API key?

Yes. Nothing in Text Assistant - Chrome Extension runs until the user enters their own OpenAI API key in the settings, and Toolio does not recommend it for anyone without one. The extension runs on that key rather than a shared service.

Is Text Assistant - Chrome Extension free?

Text Assistant - Chrome Extension is free, with no paid plan found on the Chrome Web Store in September 2026. Toolio lists it as running on Chrome and through an API, and it is best for people wanting quick explanations or charts from web text.

What are the limitations of Text Assistant - Chrome Extension?

The reviewer notes that Text Assistant - Chrome Extension offers a basic, fixed set of actions rather than open-ended chat. It only works after the user adds their own OpenAI API key, and with no ratings on record yet, its reliability is unproven. Toolio scores it 3.9 out of 5.

What are some alternatives to Text Assistant - Chrome Extension?

Toolio lists 心舰 AI 数据分析助手 Chrome Extension, Dealfront Connect Chrome Extension, Cloud Hero and SearchAlkemy as alternatives. The first is an AI data assistant for Shopee and Lazada sellers, Dealfront Connect surfaces company contacts and financials on websites, Cloud Hero streamlines digital modernization and automation, and SearchAlkemy finds SEO keywords and topics.

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