Apps

Tools I build and host publicly.

• QR Code Generatorqr.esh.ink

  Turn text into a QR code. Adjustable error correction, size, and colors. Runs entirely in the browser.

• Password Generatorpassword.esh.ink

  Generate passwords from crypto.getRandomValues(), with control over length, count, and which character sets to draw from. Runs entirely in the browser.

• Zenkaku / Hankaku Converterzenkaku.esh.ink

  Convert Japanese text between full-width and half-width forms — digits, letters, katakana, symbols, and spaces, each switchable independently. Runs entirely in the browser. Japanese UI.

• IPv4 Network Address / Subnet Mask Calculatormikoim.github.io/ipv4calc

  Derive the network and broadcast addresses, host range, host count, and CIDR notation from an address and netmask.