Tools
A collection of useful tools and scripts. Most-used tools appear below; find any tool by search or the sidebar when a tool page is open.
Top 10 by page views.
CSV <> JSON
Convert CSV to JSON (Papa Parse) or JSON to CSV. Client-side.
234 views
Hex <> UTF-8
UTF-8 text to hex bytes and back. Client-side.
224 views
Code Playground
Run JS, TypeScript, Python in the browser. Open/save files.
206 views
Case Converter
Convert text case (upper, lower, title).
204 views
Random String Generator
Generate secure random strings.
193 views
Calculator
Scientific expression calculator (math.js).
193 views
IP Subnet Calculator
Compute network, broadcast, usable hosts from CIDR.
189 views
JSON <> YAML
Convert between JSON and YAML.
175 views
JSON Prettify
Format and minify JSON.
168 views
QR Code
Generate QR codes from text.
168 views
