Free utilities for ML, data, and AI engineers. Everything runs in your browser — nothing is sent to our server.
Live
JSON Formatter & Validator
Pretty-print, minify, collapsible tree, copy any node.
LiveLLM Token Counter
Estimate tokens before you hit context limits.
LiveYAML ↔ JSON
Convert configs and payloads both ways.
LiveDiff Viewer
Compare text or JSON line by line.
LiveUUID & Hash Generator
UUID v4, MD5, and SHA-256.
LiveURL Encode / Decode
Encode full URLs or components.
LiveRegex Tester
Live highlights and capture groups.
LiveMarkdown Preview
Draft posts and agent replies with live preview.
LiveQuery String ↔ JSON
Turn query params into objects and back.
LiveEscape / Unescape
JSON strings, HTML entities, Unicode.
LiveBase64 Encode / Decode
UTF-8 safe encode and decode.
LiveCSV ↔ JSON
Convert tables for notebooks and pipelines.
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