ToolHive

Fast, privacy-friendly online tools for developers, text work, data conversion, video playback, and salary tax estimates.

Local-first by default

Core tools run directly in your browser.

37tools
11categories
3languages

Popular tools

Quick entries for tax estimates, video testing, and developer workflows.

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All tools

Organized by developer, text, data, security, and finance categories with concise descriptions.

Developer Tools

Format, decode, test, and debug everyday developer snippets.

7

API / OpenAPI Tools

Build requests, inspect headers, test webhooks, and validate OpenAPI specs.

4

Docker / Kubernetes Tools

Format Docker Compose, Kubernetes YAML, and Helm values locally.

1

Text Tools

Compare, count, clean, and transform text in your browser.

2

Data Tools

Convert timestamps, CSV, JSON, and encoded payloads quickly.

5

Security Tools

Local-only helpers for hashes, tokens, and encoded data.

3

GitHub Tools

Generate README files, .gitignore templates, commits, and changelogs.

1

AWS Tools

Parse, format, and estimate common AWS configuration snippets.

1

Trading Tools

Plan risk, position size, R multiples, futures tick value, and market sessions.

1

Japan Life Tools

Practical calculators for salary, visa, pension, mortgage, and daily planning in Japan.

6

Finance / Tax Tools

Estimate salary, tax, and payroll numbers with transparent assumptions.

6

Why ToolHive exists

ToolHive is built for developers, data workers, writers, Japan life planners, and people comparing salary and tax assumptions across countries. It prioritizes tools that solve a clear copy-paste task, such as JSON validation, JWT inspection, m3u8 playback testing, salary tax estimation, IP location lookup, and DNS checks.

Original guidance on each tool page

Each tool page explains the expected input, the meaning of the result, practical use cases, privacy behavior, and limitations. Estimation tools for tax, visas, pension, trading, or cloud costs clearly frame results as planning references rather than official decisions.

Lightweight and privacy-friendly architecture

The site is local-first where possible. The server is kept for rendering, lightweight APIs, SEO content, and configuration. Tool calculations are not written to the database by default and no user login is required.