JWT Decoder
Decode JWT tokens instantly and inspect the header, payload, claims, signature details, and expiration time in a readable format.
Open ToolDeveloper tools
Tools
Slug Generator
Turn any title or phrase into a clean, SEO-friendly URL slug. Accents, symbols, and optional stop words are handled locally in your browser.
Open ToolPassphrase Generator
Generate strong, memorable passphrases from the EFF diceware wordlist. Pick your word count and separator. Runs offline — nothing is ever transmitted.
Open ToolCron Expression Generator
Build cron expressions visually and preview the next run times instantly. Supports standard crontab, Quartz, Spring and AWS syntax. Free, with no sign-up.
Open ToolYAML ↔ JSON Converter
Convert YAML to JSON and JSON to YAML instantly, with validation and error highlighting. Works with Kubernetes, OpenAPI and Docker Compose files.
Open ToolUUID Generator
Generate random UUID v4, v1 and v7 identifiers in bulk, up to 1,000 at a time. Copy or download instantly in your browser.
Open ToolEpoch Converter
Convert Unix timestamps to readable dates and back, in seconds or milliseconds. Live clock, timezones, and code snippets.
Open ToolBase64 Encoder & Decoder
Encode and decode Base64 strings, files and images instantly. Supports base64url and data URIs in your browser.
Open Tool