Line break code visualization tool 🔍✨

Display the character encoding of the file.

CodeDiff Checkerは、2つのコードやテキストの差分を視覚的に確認できる無料のオンラインツールです。登録不要・インストール不要で、ブラウザだけで使えます。コードはサーバーに送信されないため

Generate Conventional Commits format commit messages with just form input

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.

Data Leak Zero Browser-Complete Video Editing Features 🔹 Frame-by-frame playback 🔹 Trimming 🔹 Audio separation 🔹 Photo conversion

Automatically detect security risks in web applications and websites and display them as scores

A tool that only converts the character encoding from Shift-JIS to UTF-8. ※Even if you check the forced conversion option, there are cases where the conversion does not work properly.

A tool to view Markdown files beautifully

Quickly insert and compare! A super simple & lightweight 2-screen text diff checker that lets you see "what changed?" in the text in just 1 second. Experience color-coded display like WinMerge right now, just by opening your browser!

Share text and hand-drawn pictures in real time! It's a real-time online whiteboard. With no time lag, you can share what you want to convey visually while having conversations with people in remote locations. No troublesome member registration required. You can use it by simply deciding on any whiteboard ID and sharing that ID and URL. Try opening two windows to see if it's reflected!

月表示でタイトルが途切れないカレンダーアプリ

A simple and specialized whiteboard web app. Please use it in meetings and other occasions. It can also be installed as an app. Features include black pen, red pen, eraser, pen thickness adjustment, and the ability to download as an image.

clip-path ジェネレーターとは、CSSのclip-pathプロパティの値を、図形をドラッグするだけで作れる無料ツールです。

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

A Markdown view & edit app specialized in beautifully displaying and making Markdown files easy to read.

ブラウザの端末内でファイルを変換するサイト

ビジネスモデル、競合マッピング、ページごとのCRO(CVR最適化)診断までを瞬時に。 データに基づく戦略的成長のヒントを、AIが数秒で抽出します。

Zero Data Leakage Browser-Based PDF Editing Features 🔹Convert PDF to Excel/CSV/Images 🔹Merge Multiple Files & Split Specified Ranges 🔹Intuitive Handwritten Signature Embedding 🔹Page Rotation

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.)

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.

開発者向けの様々な細かいツールを集めたwebサイトです。

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.

CSV/JSON/XML/TSV migration with mapping configuration. Includes validation and reporting.

招待コードをシェアして、みんなで特典を受け取る。