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Useful little tools for everyday tasks.

Useful, enjoyable, and a little uplifting.

News & Updates

News about new tools, product updates, media coverage, and more.

Update

2026.11.14

Gemini Enter Key Control v1.6.7: Improved send button detection

Gemini Enter Key Control icon

Improved send button detection in Gemini. The extension does not perform a send action when it cannot uniquely identify the input field and send button, with stronger checks to exclude hidden, disabled, and unrelated buttons.

Version 1.6.7 is now available on the Chrome Web Store.

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Colors for ChatGPT icon

Update

2026.10.30

Colors for ChatGPT v1.0.1: Fixed tooltips for top controls

Fixed an issue where tooltips for top controls in ChatGPT’s regular chat and Work views could be hidden behind the Colors banner. Affected tooltips, including the one for the folder icon in Work, now appear below their associated controls.

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ChatGPT Enter Key Control icon

Update

2026.10.28

ChatGPT Enter Key Control Update: Now Supports Dots!

ChatGPT Enter Key Control v1.3.7 adds support for Dots in ChatGPT.

You can now use Enter to insert a new line and your configured keyboard shortcut to send messages in Dots.

Support for regular ChatGPT chats, ChatGPT Work, and side chat continues as before.

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ChatGPT Enter Key Control icon

Update

2026.10.26

ChatGPT Enter Key Control v1.3.6 Update

Added Enter-key control support for ChatGPT Work's built-in side chat feature.

Enter for new lines and configured send shortcuts now work in both the main chat and side chat, even when both are open.

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Colors for ChatGPT icon

New Release

2026.10.23

Colors for ChatGPT v1.0.0 Released

Colors for ChatGPT is now available for Google Chrome and Microsoft Edge.

Use per-chat colors, colored banners, borders, display settings, and chat titles to make different ChatGPT conversations easier to distinguish.

View product
Gemini Enter Key Control icon

Update

2026.10.19

Gemini Enter Key Control v1.6.6 Update

Fixed an issue where configured send shortcuts stopped working in Gemini Notebook.

Improved compatibility with changes to the Notebook interface, restoring shortcut-based sending while preserving Enter for new lines.

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ChatGPT Enter Key Control icon

Update

2026.10.10

ChatGPT Enter Key Control v1.3.4–v1.3.5: Work send fix and settings improvements

Fixed an issue where configured send shortcuts could fail in ChatGPT Work due to changes in ChatGPT's input form.

The extension popup layout has also been improved, making detailed settings and version information easier to read across all seven supported UI languages.

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Gemini Enter Key Control icon

Media

2026.10.08

Gemini Enter Key Control featured by Gorilla AI Lab

Gemini Enter Key Control was featured in Gorilla AI Lab's article introducing recommended Gemini newline extensions.

The article highlights its support for multiple Google services, IME-aware input handling, user adoption, frequent updates, public source code on GitHub, and previous coverage by Mado no Mori.

Read article
Claude Enter Key Control icon

Update

2026.10.06

Claude Enter Key Control v1.4.1: Improved send safety

Improved composer and send-button detection to reduce the risk of unintended sending in Claude.

The extension now applies stricter safeguards when multiple inputs or ambiguous send controls are present, avoiding shortcut-based sending when a safe target cannot be identified.

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ChatGPT Enter Key Control icon

Update

2026.10.05

ChatGPT Enter Key Control v1.3.2–v1.3.3: Improved input compatibility

Improved compatibility with changes to ChatGPT's web input forms, including support for sending messages using configured keyboard shortcuts.

Composer detection was also refined to reduce interference with unintended input fields when multiple editors are present.

Learn more
Gemini Enter Key Control icon

Update

2026.10.03

Gemini Enter Key Control v1.6.4–v1.6.5: Expanded supported features

Expanded support for Google services, including supported Google Search AI Mode conversations, the current Google Flow experience, and individual on/off controls for each service.

Features requiring additional site access request permission only when explicitly enabled by the user. Existing Gemini and Google Chat functionality is preserved.

Learn more
ChatGPT Enter Key Control icon

Update

2026.09.10

ChatGPT Enter Key Control v1.3.0: Improved IME input after multiline paste

Added a workaround to reduce IME input issues that may occur after pasting multiline text into ChatGPT Web in some environments.

The extension adjusts supported plain-text paste handling to make it easier to continue typing with Japanese and other IMEs. This does not guarantee compatibility with every paste format or input environment.

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Gemini Enter Key Control icon

Media

2026.09.10

Gemini Enter Key Control featured by Mado no Mori

Gemini Enter Key Control was featured in Mado no Mori's Digest News.

It was introduced as a browser extension that helps reduce accidental Enter-key sending in Gemini, Google Chat, and other supported services while allowing messages to be sent with a configured shortcut.

Read article
Gemini Enter Key Control icon

Media

2026.08.21

Gemini Enter Key Control featured by AI-Rise

Gemini Enter Key Control was featured in an AI-Rise article about preventing accidental Enter-key sends in Google Gemini.

The article includes a dedicated section introducing the extension as one of the browser-based solutions for preventing unintended message sending.

Read article
Gemini Enter Key Control icon

Update

2026.07.31

Gemini Enter Key Control v1.6.0–v1.6.1: Added Google Chat support

Added support for Google Chat on the web in v1.6.0, followed by Google Chat inside Gmail in v1.6.1.

Supported chat composers can use Enter for new lines and the configured shortcut to send messages. Gmail's email composition fields remain unaffected.

Learn more
Perplexity Enter Key Control icon

New Release

2026.07.06

Perplexity Enter Key Control v1.0.0 released

Released Perplexity Enter Key Control, a browser extension designed to reduce accidental Enter-key sending in Perplexity.

Use Enter for line breaks and a configurable keyboard shortcut to send messages. The extension also includes IME-aware handling and multilingual settings.

View product
PicaPick icon

Update

2026.06.16

PicaPick v1.0.4: Improved multi-tab image handling

Added a tab selection control to PicaPick's popup, allowing users to switch between images from the current tab and scannable tabs in the current window.

Also improved default tab selection settings and the options interface, making it easier to find and save images across multiple tabs.

Learn more

Note: Extension updates may take some time to become available, depending on each store's review and rollout process.

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Tools

AI Input Assist

Gemini Enter Key Control

Reduce accidental Enter-key sends in supported inputs in Gemini, Google Search AI Mode, Google Chat, Flow, and more.

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AI Input Assist

ChatGPT Enter Key Control

Prevent accidental Enter-key sending in ChatGPT.

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AI Input Assist

Claude Enter Key Control

Prevent accidental Enter-key sending in Claude.

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AI Input Assist

Perplexity Enter Key Control

Prevent accidental Enter-key submissions on Perplexity.

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Image Downloader

PicaPick

View, filter, select, and save images across multiple browser tabs.

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AI Customization

Colors for ChatGPT

Color-code ChatGPT chats with per-chat banners, borders, and clear titles to distinguish conversations.

Learn more

About marusin tools

marusin tools is a collection of browser tools developed and maintained by Ori no Marusin Co., Ltd.

From preventing accidental Enter-key sends to making image downloads easier, our tools are designed to make everyday work and browsing a little more convenient.

I build the tools I wish existed.

It often starts with a small inconvenience during work or everyday tasks.

When I find myself thinking, “I wish there were a tool for this,” I try making one myself. That's how marusin tools began.

Even if I originally made something for my own use, it's great to know it might help someone else facing the same problem.

I'd like to keep adding little conveniences, one tool at a time.

marusin tools

A small collection of practical browser tools by Ori no Marusin.

© Ori no Marusin Co., Ltd.

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