# Base64Hub (https://base64hub.online)

> Zero-exfiltration client-side Base64, Base64URL, Hexadecimal (Base16), ITU-R M.1677-1 International Morse Code, NIST FIPS 180-4 SHA-256, and IETF RFC 4122 / RFC 9562 UUID v4 byte telemetry workbench maintained by the Civil Procedure & Cryptographic Standards Desk (Applied Cryptography & Encoding Standards Desk).

## Main Pages
- [Home — Base64 Image Decoder & Cryptographic Byte Workbench](https://base64hub.online/): Master interactive codec workbench, 30-standard parametric directory matrix, and RFC 4648 24-bit octet quantum documentation.
- [About — Applied Cryptography & Encoding Standards Desk](https://base64hub.online/about/): Institutional verification methodology, normative IETF/NIST/ITU-R citations, and Wikidata Knowledge Graph bindings.
- [HTML Sitemap & 30-Standard Cryptographic Codec Directory](https://base64hub.online/sitemap/): Complete dynamic route index, category taxonomy, and 30-specification reference matrix.
- [Privacy Policy & Zero-Exfiltration Telemetry Architecture](https://base64hub.online/privacy-policy/): Browser-local `TextEncoder` and `SubtleCrypto` execution guarantees and GDPR data protection documentation.
- [Terms of Service & Statutory Engineering Safe Harbor](https://base64hub.online/terms-of-service/): Operational scope, open standards nominative fair use disclosures, and statutory engineering safe harbor notice.

## Content Categories
- [Base64, Base32 & Data URI String Converters](https://base64hub.online/base64-encoding-tools/): 21 keyword intents covering `data:image/png;base64` Data URI inspection, RFC 4648 §4 standard Base64, RFC 4648 §5 Base64URL filename-safe tokens, and UTF-8 multi-byte boundary alignment.
- [Hexadecimal, Binary & ASCII Byte Decoders](https://base64hub.online/hex-binary-decoders/): 33 keyword intents covering space-delimited and `0x`-prefixed Base16 hexadecimal to UTF-8 ASCII, 8-bit binary nibbles, IEEE 754 floating-point words, and decimal byte streams.
- [Cryptographic Hash, SHA-256 & MD5 Digest Generators](https://base64hub.online/cryptographic-hash-generators/): 23 keyword intents covering NIST FIPS 180-4 SHA-256 checksums, RFC 2104 HMAC-SHA256 webhook verification, automated hash bitmask classification, and legacy MD5 collision warnings.
- [UUID, GUID & Cryptographic Key Generators](https://base64hub.online/uuid-guid-generators/): 14 keyword intents covering IETF RFC 4122 / RFC 9562 Version 4 CSPRNG 128-bit UUID/GUID minting and version/variant nibble inspection.
- [Morse Code, Cipher & Signal Translators](https://base64hub.online/morse-cipher-translators/): 9 keyword intents covering Recommendation ITU-R M.1677-1 international Morse code translation and 1:3:7 duty-cycle square-wave timing telemetry.

## Tools & Features
- [Interactive Byte Codec Workbench](https://base64hub.online/#byte-codec-workbench): Real-time client-side RFC 4648 Base64, Base64URL, Base16 Hex, ITU-R Morse, and FIPS 180-4 SHA-256 encoder/decoder with bidirectional URL query parameter state hydration (`?input=...&mode=decode`).
- [30-Standard Parametric Specification Matrix](https://base64hub.online/#directory-matrix): Interactive filterable and comparable catalog of 30 encoding, radix, cipher, and hashing standards with live payload expansion calculation.
- [Data URI Image & SVG Inspector](https://base64hub.online/base64-encoding-tools/): Zero-exfiltration browser-local preview and byte overhead calculator for `data:image/png;base64` and `data:image/svg+xml;base64` strings.
- [Web Crypto SHA-256 & Hash Classifier](https://base64hub.online/cryptographic-hash-generators/): Hardware-accelerated `window.crypto.subtle` digest calculator and hex-length bitmask identifier.
- [CSPRNG UUID v4 & GUID Minter](https://base64hub.online/uuid-guid-generators/): Sub-millisecond RFC 4122 Version 4 Variant 1 identifier generator with 122-bit cryptographic entropy.
- [ITU-R M.1677-1 Morse Timing Analyzer](https://base64hub.online/morse-cipher-translators/): PARIS 50-unit WPM calibration table and dot/dash duty-cycle translator.

## Technical
- Framework: Astro 5 Static Site Generation (SSG) with Zero-Exfiltration Client-Side Web Crypto API
- Sitemap: https://base64hub.online/sitemap-index.xml
- Media RSS Feed: https://base64hub.online/rss.xml
- Full LLM Context: https://base64hub.online/llms-full.txt
- Robots Policy: https://base64hub.online/robots.txt