About
About Spoold
Free developer toolbox with intelligent content detection. Paste JSON, HTML, JWT, curl, or any text and instantly get the right tool. No sign-up required.
Whether you're formatting JSON, previewing HTML, decoding JWTs, converting curl commands, hashing files, or working with timestamps, Spoold gives you the right tool without sign-ups, ads, or data collection. Paste into the Magic Box on the homepage and get instant detection and the right tool suggestion—or browse 36+ tools by category below.
Why choose Spoold?
Privacy first
All processing runs in your browser. We don't store, transmit, or analyze your data. Your content never leaves your device.
100% client-side
Everything runs in the browser with JavaScript. No server processing means faster results and complete privacy.
No sign-up
Start using tools immediately. No accounts, no emails, no barriers. Paste and go.
Intelligent detection
The Magic Box detects what you paste—JSON, HTML, JWT, curl, Base64, CSV, regex, timestamps—and suggests the right tool instantly.
Save & share
Save work locally or share via secure links. History auto-saves for 90 days; saved items don't expire.
Keyboard shortcuts
Navigate fast: press / to search, or use shortcuts like jc for JSON, ht for HTML, wt for JWT.
Our tools
Spoold offers 36+ developer tools grouped by category. Click any tool to open it.
Developer Tools
HTTP
Security
How it works
Paste anything
Use the Magic Box on the homepage to paste JSON, HTML, JWT tokens, curl commands, CSV data, timestamps, Base64, or any text.
Auto-detection
Our detection analyzes your content and suggests the best tool. You can also browse all tools from the sidebar or search with /.
Use the tool
The suggested tool opens with your content pre-loaded. Format, validate, convert, or analyze as needed. Swap input/output, copy, or open in another tool.
Save & share
Save work locally for quick access or generate a shareable link. Sharing is encrypted; only people with the link can access it.
Privacy & security
Your privacy comes first. All processing happens in your browser. We never send your data to our servers, and we don't use analytics that track your content.
When you share via links, data is encrypted client-side before storage. Only people with the link can access it. We don't require sign-ups, so we don't collect emails or personal information. History and saved items are stored locally in your browser (IndexedDB).
For full details, see our Privacy Policy.
Open source
Spoold is open source. We welcome contributions, bug reports, and feature requests. If you find a bug or have an idea for a new tool, open an issue or submit a pull request.
Visit our GitHub repository to view the source, contribute, or report issues.
Get in touch
Have questions, suggestions, or feedback? We'd love to hear from you.
Contact usReady to get started?
Try Spoold now. No sign-up, free, and privacy-first.