Images & Videos

Placeholder Generatorclient-side

Name: Placeholder Generator
Author: Daniel Chen

Build a placeholder image at any size — pick colours, a label, and a pattern, then export it as SVG, PNG, JPEG, or WebP with ready-made HTML, CSS, and Markdown snippets.

OTP Generator

Generate live TOTP and HOTP codes from a Base32 secret, with a scannable QR code for authenticator apps.

JSON Diff

Compare two JSON documents and see added, removed, and changed values highlighted side by side.