jshell.com
Local-Only
DATA & JSON
JSON Power-Tool json JSON to TypeScript ts CSV / JSON Sync data Base64 Multi-Tool b64 Gzip (Base64) zip
SECURITY
JWT Decoder jwt Secret Workbench key Multi-Hash Gen hash Secure SSH Gen ssh
CODE & REPL
JS Playground core Regex Tester regex Diff Checker diff Markdown Live md
TEXT & UTILS
Text Analyzer stats Case Converter case URL Multi-Sync url Lorem Ipsum mock
TIME & MATH
Epoch Converter time Unit Multi-Sync css UUID Generator id
WEB & UI
HTML Workbench ui Color Workbench style SVG Optimizer assets
MODERN CLASSICS
Smart Calculator core Text Analyzer stats Reactive Filter list Multi-Sorter list Speed Reader zoom
Original 2000s Tools legacy