無料diffツール｜コード差分チェッカー CodeDiff Checker｜CodeQuest.work

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!

開発者にしか需要無！改行コード表示するHTML

Select two HTML files and visualize the differences in rendered text with color highlighting.

A tool to view Markdown files beautifully

Just enter a URL and invisible risks become visible. We identify weaknesses lurking in "just working" services across 10 categories in technology, operations, data, and legal affairs, covering a total of 100 elements.

Display the character encoding of the file.

ブラウザの端末内でファイルを変換するサイト

AI automatically detects the subject and removes the background. Free tool with no registration required and unlimited uses.

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

収入・時間・疲れ具合から、副業の“やめどき”を診断するWebアプリ。 公開許可をした他のユーザの副業と状況を閲覧することもできます。

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。

MIDI Bug Tool / From DTM beginners to professionals, please utilize it for new ideas in music production.

Just type a pattern and check the highlight on the spot. Regular expression checking during development without needing external sites.

Seller SEO & Ad Rank Checker is a Chrome extension for Amazon. You can bulk retrieve SEO rankings, ad rankings, and recommended badges by simply entering ASINs and keywords.

Infomii is a service that allows anyone to easily create and share information pages with QR codes. It can be utilized in a wide range of scenarios including hotels and inns, travel, events, stores, and facility guides. Since information can be consolidated on one page and updated in real time, it significantly reduces the effort required for paper guides, PDF replacements, and multilingual information provision. It can be created with no code, and anyone can view it immediately by simply scanning a QR code with a smartphone. "Communication" made simpler. Infomii is a new information service that makes information sharing smart.

You can find out the cause of your "slow" internet in about 30 seconds.

最も使いやすくて安全なクラウドFTPクライアント

Across 113 Programming Languages. Legacy Migration Triage with Claude API

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。

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.

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

Twitter（X）・Facebook・LINE・はてブ・Linkedln・Pintarest・noteの7つのSNSプレビューをリアルタイムで一括確認できる無料ツール

個人開発で、作る・伸ばす・稼ぐをサポートするプラットフォーム

A directory map is a diagram that represents the hierarchical structure of folders and files. With this tool, you can create a tree for README or a site structure diagram simply by placing folder 📁 and file 📄 nodes and connecting them with arrows.