Build perfect AI prompts — always free
Custom blocks · CSV batch generator · No login · All free
Struggling with these?
Copy-pasting prompts by hand is painfully slow
No consistent prompt templates across the team
CSV batch generation is complex and error-prone
Key Benefits
Create custom blocks with variables
Define reusable blocks with {{placeholders}} to supercharge Batch generation.
Batch export
Upload a CSV and instantly generate hundreds of prompts.
Private templates
Encrypted cloud storage to reuse prompts across projects and teams.
Share deep links
Send a URL that rebuilds the exact canvas for teammates.
Product Demo
Loved by Users
“PromptMix turned my 30-ad campaigns into a two-minute CSV export. Absolute time-saver!”
Lily – Growth Marketer
“I store all my SQL **debug prompts** in private templates and paste them straight into ChatGPT.”
Devon – Indie Developer
“No login needed and everything stays free — still handles heavy batch work perfectly.”
Jade – AI Researcher