Portal

Encode and decode data across Base64, URL, Hex, HTML entities, JSON, XML and more. Generate SHA, MD5, CRC and FNV hashes, and encode or verify JWT tokens.

Base64 Hex JWT Hashing JSON

Analyse any public URL and extract page metrics including SEO signals, link graphs, image audits, resource inventories, form structures and performance timings.

SEO Links Images Performance

Interactive viewer for Ordnance Survey 1:25,000 scale raster tile data. Browse and inspect geo-referenced map tiles across the sample dataset.

Raster Tiles OS Data Maps