5 Free Generator APIs Every Indie Hacker Needs

• QR Code Generator — PNG or base64, customizable size
• UUID Generator — v1 and v4, batch up to 100
• Barcode Generator — Code128, EAN13, EAN8
• Random User Generator — realistic fake profiles for testing
• Text to Slug — any text → URL-friendly slug

No API keys. No limits for free tiers. All on RapidAPI.