AI Cover Letter Builder
Generate a tailored cover letter from your background and a job description.
🔒 Bring-your-own-key — your key is sent only with this request and never stored. Get a key from Anthropic or OpenAI.
About this tool
Paste your background and the job description to generate a tailored, professional cover letter. Bring your own key.
Frequently asked questions
How long is the letter?
A concise 250–350 word letter tailored to the role — ready to personalise and send.
What should I paste?
Your background or resume highlights in the first box and the job description in the second for the best match.
Do I need my own API key?
Yes. This tool is bring-your-own-key: paste your own Anthropic or OpenAI key and it is used only for that single request — never stored on our servers.