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OpenGyver

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A versatile command-line tool for everyday conversions, encoding, hashing, and data generation.

Developer ToolsTerminal ToolsProductivity
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Tracked since2026
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The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Extensive functionality with a wide array of commands and subcommands.

Biggest con

Requires command-line proficiency to use effectively.

TL;DR - OpenGyver

  • A CLI tool with 47 commands for conversions, encoding, hashing, and data generation.
  • Built in Go for zero-dependency, single-binary distribution across platforms.
  • Integrates with CI/CD, shell scripts, and AI agents for automation.
Pricing: Free plan available
Best for: Growing teams

What is OpenGyver?

Editorial review
OpenGyver is an open-source, zero-dependency command-line interface (CLI) tool built in Go, offering a "swiss army knife" of over 47 commands and 180+ subcommands. It's designed for a wide range of common tasks including unit and currency conversions, various encoding and hashing operations, data generation (passwords, UUIDs, test data), and formatting/validation for different data types like JSON, HTML, and SQL. Its single-binary distribution makes it highly portable across Linux, macOS, and Windows. This tool is ideal for developers, system administrators, and anyone who frequently performs data manipulation, conversion, or generation tasks. It can be used standalone for quick operations, integrated into CI/CD pipelines for automated processes, or hooked into shell scripts and AI agents (like Claude) to extend their capabilities. Its structured JSON output mode makes it particularly useful for scripting and piping results into other tools, enhancing automation workflows. Key benefits include its extensive functionality, ease of installation and portability due to being a single binary, and its adaptability for both manual use and integration into automated systems. It streamlines many common development and data-related tasks, reducing the need for multiple specialized tools.

Available on: Linux, macOS, Windows

how we evaluateSourcegithub.com ↗

Pros & Cons

Pros

  • Extensive functionality with a wide array of commands and subcommands.
  • Zero-dependency and single-binary distribution for easy portability and installation.
  • Supports multiple output modes, including structured JSON for scripting.
  • Designed for integration with CI/CD pipelines, shell scripts, and AI agents.
  • Open-source and built in Go, ensuring cross-platform compatibility.

Cons

  • Requires command-line proficiency to use effectively.
  • Some advanced file conversions rely on external tools like ffmpeg or Calibre (though integrated).

Key Features

Unit and currency conversions (9 categories, 38 currencies)Encoding and decoding (Base64, URL, HTML, hex, ROT13, etc.)Hashing (MD5, SHA, HMAC, bcrypt, CRC32, Adler-32)Password, UUID, API key, and test data generationJSON, HTML, CSS, SQL formatting, minifying, and validationFile conversion for audio, video, images, documents, ebooks, and fontsQR code and barcode generationTime and date utilities with timezone support

Pricing Plans

Free Trial

Pricing checked Aug 3, 2026

Free

$0 USD per month

  • Unlimited public/private repositories
  • Dependabot security and version updates
  • 2,000 CI/CD minutes/month (Free for public repositories)
  • 500MB of Packages storage (Free for public repositories)
  • Issues & Projects
  • Community support
  • GitHub Copilot Access
  • GitHub Codespaces Access

Team

$4 USD per user/month

  • Everything included in Free
  • Access to GitHub Codespaces
  • Repository rules
  • Multiple reviewers in pull requests
  • Draft pull requests
  • Code owners
  • Required reviewers
  • Pages and Wikis

Enterprise

$21 USD per user/month

  • Everything included in Team
  • Data residency
  • Enterprise Managed Users
  • User provisioning through SCIM
  • Enterprise Account to centrally manage multiple organizations
  • Environment protection rules
  • Repository rules
  • Audit Log API
Calculate your costView full pricing

Is OpenGyver worth the price?

90/100

OpenGyver's pricing is quite generous, especially with a robust Free tier that includes GitHub Copilot and Codespaces access.

The Team tier at $4 USD per user/month offers excellent value for small to medium teams needing enhanced collaboration and security features. Enterprise at $21 USD per user/month caters specifically to large organizations with stringent compliance and management requirements.

Hidden Costs & Gotchas

CI/CD minutes overages

Packages storage overages

No annual discount mentioned

How OpenGyver Compares to Competitors

Compared to similar developer tools, OpenGyver's Free tier is exceptionally strong, offering features like Copilot and Codespaces that competitors often gate behind paid plans. The Team tier at $4/user/month is highly competitive, often undercutting rivals that charge $7-$10/user/month for similar feature sets. Enterprise pricing is standard for the extensive compliance and management features offered.

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OpenGyver FAQ

How does OpenGyver achieve zero-dependency for its wide range of conversion tools?

OpenGyver is built in Go, which compiles into a single, self-contained binary. While it integrates with external tools like ffmpeg for audio/video conversions and Calibre for ebook conversions, the core OpenGyver CLI itself is distributed as a single executable without requiring additional runtime dependencies for its primary functions.

Can OpenGyver be used to automate tasks within a CI/CD pipeline, and how?

Yes, OpenGyver is specifically designed for this. Its CLI nature and support for structured JSON output make it ideal for scripting. You can integrate its commands directly into your CI/CD scripts to perform tasks like data validation, file format conversions, generating test data, or calculating file checksums as part of your automated build or deployment processes.

What kind of AI agent integrations does OpenGyver support, and what are the benefits?

OpenGyver can be hooked into AI agents, such as Claude, by adding its marketplace plugin. This allows AI agents to leverage OpenGyver's 16 native tools for tasks like encoding, hashing, conversion, generation, and even fetching real-time data like weather or stock prices, extending the AI's capabilities beyond its core language model.

Beyond basic unit conversions, what are some of the more advanced or niche conversion capabilities offered?

OpenGyver offers a wide array of advanced conversions including audio format conversion (33 formats), CAD file conversion (DWG, DXF, DWF), ebook conversion (25 formats), font format conversion (TTF, OTF, WOFF, etc.), image format conversion (RAW, SVG, WebP), presentation conversion (PPTX, KEY, ODP), and vector graphics conversion (SVG, EPS, AI, CDR, plus 20 more). It also includes tools to create GIFs from images and ICO files from images.

How does OpenGyver handle sensitive data like passwords or API keys during generation?

OpenGyver includes commands to generate secure passwords, passphrases, API keys, and secrets. As a CLI tool, these are typically generated locally on your machine. The output can be piped or redirected, allowing users to manage how these sensitive outputs are handled, such as storing them securely or using them directly in scripts, without them being transmitted externally by the tool itself.

Source: github.com

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