| What it does | Dynamic QR codes you can edit after printing, starting free with no signup required
| Analyze time and space complexity, optimize code, and learn algorithms in one connected workflow
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Free
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| Pricing | Not given
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| Key features | - Create static and dynamic QR codes for URLs, Wi-Fi, contact cards, email, phone, SMS and more
- No signup required to generate and download codes
- Customize colors, frames, shapes and optional icons
- Download as PNG for screens or SVG for print
- Edit destination of dynamic codes after printing
- Scan analytics with device, location, referrer and time-of-day breakdown
- Embed your logo in the middle of QR codes
- Custom domain for QR code links (go.yourbrand.com/menu format)
- Bulk generation from CSV or Google Sheets add-on
- MCP server integration with Claude, ChatGPT and Cursor
| - Real-time Big O complexity calculation for code snippets
- Support for multiple programming languages
- Best, worst, and average case complexity analysis
- Interactive learning paths for algorithms and data structures
- Pre-built examples for sorting, searching, graph, and other algorithms
- Comparison of original versus optimized code
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| What makes it different | - No signup wall or forced trial to generate and download codes
- Dynamic codes at $4/month, affordable for small businesses instead of enterprise pricing
- Edit printed codes anytime without reprinting
- Integrated with AI assistants through MCP server for code generation via Claude and ChatGPT
- No watermark on downloads for free account users
| - Unified platform combining analysis, optimization, and learning in one workflow
- Human-friendly explanations prioritizing intuition over jargon
- No account required to access tools and learning material
- Structured learning progression from complexity basics to advanced algorithms
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ▼ −1 (down) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 1 |
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| Citation Flow (Majestic) | 25 | 4 |
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| Referring domains (Majestic) | 24 | 2 |
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QRFLOW.codes
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