My Toolbox
Encoders, token inspectors, flight-training aids and a few experiments. Almost everything runs in your browser, so what you paste stays on your machine.
Tools
Everyday developer utilities for bytes, tokens, timestamps and DNS.
Encode & Hash
Base64, hex, URL encoding, byte arrays, MD5/SHA/HMAC.
In-browserJSON & XML Formatter
Pretty-print, minify and validate JSON or XML.
In-browserTimestamp Converter
Epoch seconds, ms, µs or ns to dates in any time zone.
In-browserJWT Inspector
Decode JWTs, check expiry and verify HMAC signatures.
In-browserDNS Lookup
Records plus SPF, DMARC and DKIM checks.
In-browserWhat's My IP
Your public IP address and request headers.
ServerColor Code Converter
Hex to NSColor, UIColor, SwiftUI and CSS.
In-browserWBXML Decoder
Decode Exchange ActiveSync / SyncML WBXML to XML.
In-browser3D Slicer
Slice STL/3MF/OBJ/glTF meshes into layers or a hidden-line drawing, export SVG/DXF.
In-browserDrawing Sheet
2D drawings from 3D models: views, sections, dimensions, PDF.
In-browserFlight
Practice aids for pilots: performance charts, VOR and the E6B.
Play
Games and puzzles.
Lab
Experiments with audio, images and on-device ML.
Built by Chris Wilson · LinkedIn