About 2 min readAPIテスター

Use "Request" to ask the creator to set up tip receiving.
About 2 min readAPIテスター
When you wonder "What song is playing right now?" you can record it and search for it, then listen to it right away. It's a convenient tool! ♪

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

ブラウザだけで使えるAIエージェント

Register and manage copied text infinitely with grouping

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

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

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。

URLを入力するだけで、SEO対策、UI/UX、スピードまで AIが即座に多角的に分析。改善すべき課題を一目で把握します。

You can manage prompts in a list.

Are you having trouble gathering testers for closed testing of your Android app? This is Japan's first mutual testing community where everyone can pass by testing each other.

This is a locally-operated dashboard that consolidates X search, map search, Google services, notes, tasks, date calculations, calculator, links, and unwashed rice microwave cooking calculations. Local storage / No cookies used / App-compatible

開発者にしか需要無!改行コード表示するHTML

AI-made sites and apps - what's still needed before launch? Diagnosis with 5 questions, free.

最も使いやすくて安全なクラウドFTPクライアント

MT4,MT5にEAを設置するだけでフォワード記録が取れるアプリ。他社では見れない細かい情報や、AIによる取引の分析が可能。

フリーランスとクライアントのファイル共有・進捗管理を、1つのURLで完結するポータルサービス。

AI automatically analyzes vulnerabilities! An all-in-one integrated security scanner covering web, API, and OSINT.

立ち上げておけば、会議も、会話も、ぜんぶ文字に。

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

おはツイの「記録・分析・共有」を これひとつで。

Is that site made with AI really okay? AI-made site quality audit checker

I want to quickly create a survey! In times like that.

This is a web tool that allows you to collectively manage allergies and food preferences of participants during drinking parties, meals, group dating events, and similar gatherings.

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。
A simple API testing tool that allows you to easily verify API operations directly in your browser.
No server or installation required—start using it immediately.
Perfect for validating APIs under development, confirming endpoint behavior, and debugging requests.
✨ Main Features
・HTTP Request Sending
Supports GET / POST / PUT / DELETE
Enter a URL and send requests with a single click
Simple implementation using the browser's fetch API
・Tab-based Input UI
Intuitive operation with a UI organized by use case.
・Authentication Features
Supports multiple authentication methods.
Bearer Token (Authorization header automatically added)
Basic Authentication (Base64 encoding)
API Key (configurable with any header name)
・Response Display
Confirm request results in real-time.
Status code display
Response time (ms)
Full response body display
・History Feature
Automatically saves past requests for reuse.
Saves up to 10 items in localStorage
Restore contents with a single click
Convenient for repeated testing
・cURL Copy
Copy the current request in cURL format.
Easy reproduction in CLI environments
Convenient for integration with other tools
⚠️ Notes
Due to CORS restrictions, some APIs may not be directly accessible
Please be careful with sensitive information for security reasons (it is saved in localStorage)
Feedback
Share your thoughts, bug reports, or suggestions directly with the developer
Log in to share your feedback
Log in to leave feedback