侘び寂びフーリエ変換

FormatArc is a lightweight site that processes JSON formatting, YAML conversion, and CSV conversion only within the browser. Input data is not sent to the server, and formatting and conversion can be completed on the spot.

ブラウザの端末内でファイルを変換するサイト

Just a circuit simulator. You can make calculators, games, anything.

This is an app that can convert .html logs output by CocoFolia into .md and .txt formats for easier viewing later. The markdown has a preview function as well. The purpose is to load logs into AI. (It's convenient for creating summaries and such.)

This is an app that can perform video → sequential numbering → ASCII art conversion → video conversion with just a button press. ASCII art conversion inevitably requires CPU performance, but the video output supports hardware encoding. You can download the zip file from the Releases section on the right side of the GitHub screen to start using it. By clicking the .exe file, you can run it immediately without needing to set up any particular environment.

筆算の手順を教えてくれる算数教材

論文特化の複雑な数式も対応している、超高精度な翻訳アプリです！

It is an app that allows you to edit PDFs on the web. You can perform various operations such as viewing, merging and splitting files, adding watermarks, and editing properties.

A tool designed primarily for English language beginners and children to practice while maintaining correct character height and balance. It can input and display English text with 4 lines (guide lines). It automatically adds 4 lines to the input English text and outputs it as an image or text. By selecting fonts and adjusting guide lines, you can create clean sample materials.

No login required - just share a URL to calculate split bills and more. A fast split bill app that runs on Edge Computing, operating at high speed even during overseas travel.

This is a web application that automatically generates KiCad footprints from electronic component datasheets. The generated footprints can be easily fine-tuned for size and position adjustments in the editor.

JPEG・PNG画像を、WebP画像に変換できるツールです。 WebP画像はGoogleが開発した画像形式です。JPEG画像よりもファイルサイズが減らせ、PNGのように透明色に対応しています。

This is a web app that automatically generates natural and emotional quotes by combining word and grammar data. You can enjoy meeting different words each time with just a button press.

You can easily generate ASCII art characters using symbols on a browser. We have prepared 4 types of ASCII fonts. All fonts are original creations.

That "flip-flop" is revived on the Web! A real Solari-style information display machine simulator packed with romance and gimmicks that lets you traverse railway lines across the country with just one finger. Which is your favorite route?

Japanese long-form interview video short video generation tool

いつでも手軽に使える永久無料の100+ツール集。ちょっと困ったときの便利アイテムです。

This is a Mermaid Editor-type application that can directly convert Mermaid into flowcharts and mind maps. Compared to existing editors, it allows you to freely customize the appearance and styling. As a trial, we've equipped it with Google's Built-in AI functionality, so you can output code in Mermaid format within the app. However, since this requires various setup procedures, if it's too much trouble, you can simply paste code that you've generated from ChatGPT, Gemini, or similar services directly into the app.

It is a website where you can freely choose fonts and create PNG images of your favorite characters with outlines and shadows.

This is a Reversi app that you can easily play in a web browser. You can play online matches with friends, and it also features a CPU battle mode where you can enjoy playing alone at your own pace.

Free tool for image compression, WebP conversion, and cropping completed in the browser

A notepad that can perform cyclic permutations and multiple simultaneous replacements. For Windows.

Mathematical Formula Reasoning Puzzle Game

It supports hiragana, katakana, and alphanumeric characters. When you input text, you can download audio in .wav format.