mkontani

7 listings we've seen · as of 4 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Developer Tools

Generate SSH key pairs and derive public keys and inspect SSH certificates.

Developer Tools

A comprehensive tool for certificates: Key Pair Generation, CSR Generation, Public Key Derivation, and Inspection.

Shopping

レビューのサクラ傾向を評価分布から診断しA〜Fで表示。端末内AIで文面も解析。データは端末内で処理し外部送信しません（Amazon非公式）。

Developer Tools

Parses and inspects X.509 or CSR PEM data on a webpage.

Art & Design

Replaces the background with a cat status code image for 4xx and 5xx errors.

Entertainment

A breeding game in your browser.

Tools

View, analyze, and strip EXIF metadata from photos — fully client-side, no data leaves your device.