Useful little tools for everyday tasks.

Useful, enjoyable, and a little uplifting.

Tools

AI Input Assist

Gemini Enter Key Control

Prevent accidental Enter-key sending in Gemini and Gemini Notebook, formerly NotebookLM.

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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 from web pages.

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About marusin tools

marusin tools is a browser tool series developed and operated by Ori no Marusin Co., Ltd. We turn small inconveniences and “it would be nice if...” ideas from everyday work and browser use into easy-to-use tools. We publish tools for familiar situations, such as input assistance, image saving, and small improvements to everyday operations.

Useful things, enjoyable things, and things that make you feel a little better. marusin tools is a small place where we gradually line up tools like these.

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

Tools

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