| What it does | Free developer tools for code conversion, formatting, and utilities
| A fast, private and offline API client for REST, gRPC, GraphQL and WebSocket services
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| Stage | Startup
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| Founded | 2024
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| Based in | Not given
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| Pricing model | Free
| Open source
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| Pricing | All tools are free with no paid plans, credits, or paywalls.
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| Key features | - Code-to-PDF conversion with syntax highlighting for 50+ languages
- Multiple PDF themes including Dracula, Monokai, GitHub, and VS Code
- JWT decoder for token inspection
- UUID generator with bulk generation up to 100
- Regex tester with live match highlighting
- SQL formatter supporting multiple database systems
- QR code generator with customizable output
| - REST and HTTP with every method, query and path params, JSON, XML, text, form-data, URL-encoded and binary bodies
- gRPC with server reflection or proto files, unary and server-streaming calls, metadata and trailers, TLS and mutual TLS
- GraphQL queries and variables with data and errors split out
- WebSocket text, JSON and binary messages with live message log
- Traffic proxy to capture HTTP(S) traffic of apps and phones
- Python scripting for pre and post-request scripts with tests
- Test cases and CI integration with chapar-cli
- Environments with variables and secret values encrypted with OS keychain
- Import Postman collections, OpenAPI specs and proto files
- Code generation for cURL, Python, Go, JavaScript, Java, Ruby and .NET
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| What makes it different | - Completely free with no hidden paywalls or credit limits
- No account or signup required for any tool
- Client-side tools run entirely in your browser with zero data transmission
- Instant results with most tools producing output as you type
- Server-side files permanently deleted immediately after processing
| - Local-only data with no cloud sync or telemetry
- GPU-rendered native UI that starts quickly and runs on macOS, Linux and Windows without a browser engine
- Collections stored as YAML files in git for version control
- Built-in traffic proxy for inspecting and importing HTTP(S) traffic from other apps
- Free and open source under BSD 3-Clause license
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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) | 18 ▲ +1 (up) since last check | 6 ● no change since last check |
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| Trust Flow (Majestic) | 8 | 5 |
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| Citation Flow (Majestic) | 19 | 26 |
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| Referring domains (Majestic) | 12 | 31 |
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CodeToPDF
Chapar