mkontani

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

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

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

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

A breeding game in your browser.

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

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）。