コエカツ

みんなの統計

気になる質問に答えるだけで、みんなの回答が見られる統計サイト

SUGUDASU lottery

A free tool that conducts a lottery without uploading a roster externally and can also save evidence as a PDF.

OhOi Web Search

シンプルに作ったデータ検索サイト

BOAT RATING｜ボートレーティング

This is a data site for boat racing predictions. It has unique data not found on other boat racing sites, such as original rating points and turn mark arrival predictions.

FormatArc - Easy Data Conversion

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.

OneQ - 毎日、たった一問。

毎日、たった一問。 みんなの本音データを、毎日ひとつずつ。 匿名で、かんたんに、リアルな実態を可視化します。

出欠管理ツール

Set candidate dates for an event and aggregate participants' availability. Respondents answer with ○△× (available/maybe/unavailable), and the most convenient date is highlighted. You can easily collect responses via a shared URL.

世界各国データ ランキング (World Country Statistics)

Is Japan's population not as large as I thought? The world's "now" at a glance! A pop and fun world countries data ranking 🌍✨ Check population, land area, and population density with graphs at a glance!

まちのとびら - 数字で読み解く日本

Government statistical data analyzed and explained by AI. Daily updated data journalism

Famous Quote Generator

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.

Sales/Demand Forecasting AI "SalesCast" | CSV・Excel / Free・No Registration Required

独自統合予測モデルが秒で高度な売上予測・無料で

AnalyWallet

無料・広告なしのシンプルな家計簿アプリ

mock-exam

Server-free static page quiz app. Supports custom question import and result saving.

すぐだす

ブラウザだけで完結。登録不要。 入力データは外部に送信しません。フリーランス · 店舗 · オフィス · イベント幹事が抱える「すぐ終わらせたい」実務を、このブラウザだけで。

Saturn — 日本企業データを、スプレッドシートとAPIで

Metric Cast - Data Prediction Web App for Individual Developers

This is a data prediction web app for individual developers‼️ Google Analytics / Search Console / Ads Compatible with Stripe / App Store / Google Play‼️

Shift Schedule Creator

Easily create staff shift schedules in your browser. Features include period selection, color-coded display for early shifts, late shifts, and night shifts, automatic counting of working days. Supports CSV export and printing.

CSVocab — Custom Vocabulary Notebook

This is a web app where you can create your own personal vocabulary notebook just by pasting CSV files or text. You can easily register content by simply copying and pasting in the format "question,answer", and you can efficiently repeat learning on difficult problems.

クレカのつかいみち

This is a household finance analysis web application that automatically categorizes credit card statements and visualizes monthly spending.

テスタ - アプリ相互テストコミュニティ

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.

Web Logic Simulator

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

SalesCast - Sales/Demand Forecasting AI | Free・No Registration Required

You can predict sales just by copy-pasting sales data. It can be used for inventory and shift management.

napps エンタメありの永久無料ツール集

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。

RANKLY! — A Ranking SNS Made by Everyone

みんなで作るランキングSNS