| What it does | Free web tools for SEO, code and everyday tasks
| Web-based API platform for designing, testing, mocking, monitoring and documenting REST, GraphQL, gRPC, WebSocket, MQTT and MCP APIs
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| Stage | Not given
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| Based in | Not given
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| Pricing model | Free
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| Key features | - On-Page SEO Checker to audit page titles, meta tags, headings, images, links, canonical and structured data
- Website Speed Test with Google PageSpeed Insights and Core Web Vitals
- Image Compressor to shrink JPG, PNG and WebP images in bulk and resize
- JSON Beautifier to format, validate and minify JSON
- Broken Link Checker to find broken links, dead images and redirects
- DNS Lookup to fetch domain DNS records
- Website SEO Audit to crawl up to 100 pages and find missing titles and duplicate descriptions
- Password Generator to create strong random passwords
- QR Code Generator to turn links into scannable QR codes
- PDF tools including merge, split, compress, rotate, sign and watermark
| - REST, GraphQL, gRPC, WebSocket, Socket.IO, SSE, MQTT and MCP clients
- API testing with pre-request and test scripts
- Collection runner with CSV and JSON data files
- Load testing with virtual users and profiles
- Mock servers with request matching and response templates
- API monitoring with scheduled runs and alerts
- Postman collection compatibility and migration
- GitHub sync to auto-generate collections from code
- Published API documentation with code samples
- Team collaboration with roles, comments and pull requests
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| What makes it different | - 348 free tools with no sign-up required
- Most tools run in your browser so files stay on your device
- No accounts, no trials, no restrictions on tool usage
- Tools have no daily limits and light rate limits keep service fast
- Plain explanations for every result, not just numbers
| - Unified client for eight protocols in one workspace
- Native Rust engine uses 434 MB desktop memory versus 585 MB for Postman
- Automatic collection generation from GitHub repository code
- Postman collection and script compatibility without modification
- Free to use with no paid plans
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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 |
| DR (Domain Rating by Ahrefs) | 3 ● no change since last check | 2 ● no change since last check |
| Trust Flow (Majestic) | 2 | 0 |
| Citation Flow (Majestic) | 19 | 4 |
| Referring domains (Majestic) | 10 | 1 |