Developer & Privacy

Subresource Integrity hashes, ZATCA QR decoder, barcode generator, contrast checker. Tools for developers and privacy-aware users.

Security

SRI Hash Generator

Generate Subresource Integrity (SRI) hashes — sha256, sha384, sha512 — for any pasted content or local file. Drop-in replacement for the archived srihash.org. Browser-only via Web Crypto.

Finance

ZATCA Fatoora QR Decoder

Decode the TLV-encoded QR on any Saudi e-invoice — seller name, VAT registration, timestamp, totals, plus Phase 2 signature blobs. Paste the base64; browser-only.

Utility

Barcode Generator

Turn text or a URL into a CODE128, QR, or EAN-13 barcode. SVG and PNG download.

Accessibility

Contrast Checker — WCAG 2 + APCA

Live contrast for any foreground + background color pair. Both legacy WCAG 2.x ratio (4.5:1 etc.) and the new APCA Lc (WCAG 3 preview) side by side. Browser-only.