
Generate a map animation video of movement routes from Google Maps Timeline JSON using only a browser.

ブラウザ上で簡単にカーソル作成が可能!

Just prepare an image and create an animated cursor! Completely local, so it's secure in terms of security.

That screenshot, before you paste it. Remove only the confidential parts, and share with peace of mind.
A Chrome extension that extracts video URLs with one click from the YouTube video menu, launches Gemini in Chrome's native side panel, and automatically executes a summary prompt.

Before posting to SNS. A free batch image processing tool.

「何もしてないのに壊れた」 はもう起こらない。

An app that can turn sentences mixed with hiragana, katakana, and alphabetic characters into "playable cipher texts" using 5 types of ciphers.

お手軽にrickroll!Never Gonna Give You Up♪

Tool for converting AI-generated pseudo pixel art into accurate pixel art

Just paste it and create a table in note

Garbled text? Hidden messages? Instantly expose invisible characters! With pop and safe "invisible character forensics," let's have fun detecting and cleaning up zero-width spaces and special codes lurking in AI text!

給油を記録するだけの燃費計算アプリ

A TUI/CLI tool that can (supposedly) mutually convert between CSV, TSV, Markdown/HTML table, SQL, and JSON

Sales data analysis app that loads sales data in a browser and has AI interpret business metrics

クラスのことを一括に管理。

Don't entrust images to suspicious upload conversion services. WebP→JPG/PNG Convert WebP to JPG and PNG. Unlike upload-type services, images are processed only on your device. Ideal for confidential screenshots and Excel paste operations. 【Operating Environment】Completely browser-based (no registration required). Images are not sent to our servers by design. 【Tags】WebP JPG PNG image conversion browser-based document creation data processing ※Screenshots will be added at a later date

Convert to Markdown/JSON in browser without uploading to conversion site Convert multiple columns from Excel/CSV to Markdown tables, JSON, and TSV without uploading. Supports Shift-JIS encoding, up to 5,000 rows. For Notion, Backlog, and GitHub. 【Operating Environment】Completely browser-based (no registration required). Input data is designed not to be sent to our servers. 【Tags】Table conversion Markdown JSON CSV Excel Shift-JIS Notion Backlog Data processing ※Screenshots to be added later

Free tool to count the number of characters, lines, and bytes of Japanese text in a browser

Every time you operate via GUI, the CLI commands being executed behind the scenes are visible as-is. A GUI version of a Linux management tool × learning tool.