Vetted & Ranked
Best Vetted AI Diagram Generator Companies in 2026
✓ Independently vetted by the WhatiseBrokering team · Last updated July 14, 2026
Every company below passed our vetting checklist — try before you buy or a real money-back guarantee, no fine-print returns, and a human you can reach. TrustScores reflect what we actually verified, not what companies claim.
🏆 Best Choice in 2026
✓ DG Diagram-Generator
✓ VettedAI tool that turns text prompts into flowcharts, ER diagrams, mind maps, and more in under a minute.
Why we like them
✓Free tier includes 5 one-time credits, all diagram types, and 2K resolution (with watermark)
✓Paid plans start at $9/month (100 credits) up to $35/month for 400 credits and 4K rendering
✓Exports to Mermaid, SVG, PNG, or PDF, with chat-based editing (e.g., 'make the database red')
What we verified
—Money-back guarantee verified
✓Free trial available
✓Reachable customer service
✓No fine-print return conditions
✓No unrealistic claims detected
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