Your Collection of Alexandria Tools

Fast, secure, and free online tools for developers, designers, and anyone who needs to get things done quickly.

Date & Time

Convert between Unix time and human-readable dates in local and UTC.

Encoding & Data

Encode and decode structured text alongside your URL and Base64 workflows.

Colors & Accessibility

Check contrast and keep palettes accessible for interfaces and content.

QR & Barcodes

Create scannable codes from text or URLs without sending data to a server.

Calculators & Converters

Quick number work for everyday measurements and conversions.

Writing & SEO

Shape titles and URLs for publishing and search-friendly content.

Security & Privacy

Generate secrets locally — nothing is uploaded or stored.

Why Choose Alexandria Tools?

Built with modern web technologies for the best possible experience.

Lightning Fast

All tools run locally in your browser for instant results.

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Privacy First

No data is sent to servers. Everything stays on your device.

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No Ads

Clean, distraction-free interface without any advertisements.

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Open Source

Free and open source tools that you can trust.