AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
Block Enter records 0 monthly visits with — month-over-month growth and Free pricing. AI Toolbox records 290,140 monthly visits with +16.9% growth and Freemium pricing.

Stop accidental sends in ChatGPT, Gemini, Claude and Perplexity
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | chromewebstore.google.com | ai-toolbox.co |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 (0) | 290.14K (290,140) |
| MoM Traffic Delta | 0 (—) | +42.05K (+16.9%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (31.1%) |
| Direct Visits / mo | 0 | 93.05K |
| User Rating | 4.2 | 4.4 |
| Supported Platforms | Browser Extension | Website |

Stop accidental sends in ChatGPT, Gemini, Claude and Perplexity
Pressing Enter inside a supported AI chat box inserts a line break instead of firing the message off to the model.
Deliberate submission stays available through the modifier-key shortcut, so nothing about your normal workflow is lost.
Works on ChatGPT, Google Gemini, Claude and Perplexity AI, with the supported-service list refreshed as new chat UIs launch.
Configure once and the behaviour follows you between tabs and signed-in Chrome profiles.
Organize, search and export your AI chats across ChatGPT, Gemini, Claude and Grok
Sort chats into folders and subfolders, pin the conversations you return to daily, and label threads with smart tags so long histories stay navigable.
One search queries ChatGPT, Gemini, Claude and Grok at once, groups results by platform and opens the exact conversation in one click.
Download conversations as PDF, Markdown or plain text, one at a time or in batches, so important answers survive outside the browser.
Save your best prompts for one-click reuse, browse a public library of proven prompts, and chain prompts to run automatically in sequence.
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research

An extendable launcher that puts your tools, AI, and automations one keystroke away
An extendable launcher that puts your tools, AI, and automations one keystroke away

SpecialistFocuses on community prompt libraries and team sharing rather than personal chat folder organization.
SpecialistFocuses on community prompt libraries and team sharing rather than personal chat folder organization.
SpecialistOne privacy-first AI client for GPT, Claude, Gemini and more
SpecialistOne privacy-first AI client for GPT, Claude, Gemini and more
SpecialistOne browser agent that combines every major AI model with web automation
The best frontend for AI.

Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail
Bring ChatGPT, Claude and Gemini into Google Docs, Sheets, Slides and Gmail

ChatGPT in your Mac menu bar, inline and everywhere
ChatGPT in your Mac menu bar, inline and everywhere

SpecialistGreat prompt manager and text expander for reusable snippets, but does not organize existing chat conversation threads.
SpecialistGreat prompt manager and text expander for reusable snippets, but does not organize existing chat conversation threads.
Focuses heavily on backing up and exporting chat histories, but has fewer visual folder management features.
Focuses heavily on backing up and exporting chat histories, but has fewer visual folder management features.

Every frontier AI model in a single conversation
Every frontier AI model in a single conversation
The Chrome website blocker that judges every page against your task
The Chrome website blocker that judges every page against your task