All tools

Every utility on Alexandria Tools, grouped by category. All processing happens in your browser.

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String Tools

Text manipulation and analysis tools to help you work with strings efficiently.

Developer Tools

Format data, inspect tokens, and generate identifiers — all in your browser.

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.