Prompt Workshop
Assemble system and user messages with live token estimates and exportable JSON.
Privacy: Processed locally in your browser. Nothing is sent to a server.
Assemble system and user messages with live token estimates and exportable JSON.
Preview regex-based redaction for emails, phones, keys, and card-like patterns.
Test prompts against length limits, blocked topics, and system preamble rules.
Preview markdown, extract code blocks, and validate JSON in model output.