Spoold
40+ dev tools in one fast, privacy-first toolbox
Spoold launched on March 26, 2026.
What it does
A privacy-first developer toolbox with 40+ browser-based tools — JSON, JWT, timestamps, regex, curl-to-code, conversions & more.
Free developer toolbox with intelligent content detection: paste JSON, YAML, TOML, HTML, JWT, curl, OpenAPI, GraphQL, CSV, or timestamps and jump to the right tool. Includes JSON Schema validation, OpenAPI viewer with curl, TLS certificate viewer, LLM token calculators, Mermaid diagrams, PDF viewer, encode/decode hub, and more—all in your browser. No sign-up required.
Auto-detects JSON, JWT, HTML, curl, OpenAPI, CSV, timestamps, and more. Catalog of 72+ tools with smart suggestions and optional learning. Paste anything — JSON, HTML, curl, JWT, CSV, regex — we detect it instantly and show you the right tool. We learn your patterns and suggest workflows automatically. Edit and run code in 40+ languages. JavaScript, Python, Java, Go, Rust, and more with syntax highlighting. Paste any content in the Magic Box above - JSON, HTML, JWT, timestamps - we'll detect it and suggest the right tool. Click the save icon in any tool to keep important snippets. History auto-saves for 90 days, but saved items never expire. Spoold is a free, privacy-first developer toolbox…from spoold.com
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