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DevPane

Free developer tools that don't suck.

Six precision tools for timestamps, cron, JSON, JWTs, subnets, and DNS.
No accounts. No tracking. Just tools.

Epoch Converter

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Convert Unix timestamps to human-readable dates and vice versa

Cron Builder

SOON

Visual cron expression builder with natural language

Launching Feb 14

JSON Formatter

SOON

Format, validate, and beautify JSON data

Launching Feb 21

JWT Decoder

SOON

Decode and inspect JSON Web Tokens

Launching Feb 28

Subnet Calculator

SOON

Calculate network ranges and subnet masks

Launching Mar 7

Domain Checker

SOON

Look up domain information and DNS records

Launching Mar 14

What's New

Feb 7

Epoch Converter launchedConvert timestamps in 9 languages

Feb 14

Cron Builder coming nextVisual builder + natural language

Feb 21

JSON Formatter coming nextFormat, validate, and beautify JSON

Press ⌘K to jump to any tool — or just start typing

100% free · No accounts · Client-side (your data never leaves your browser) · Open-source-friendly · Built by Bluminal Labs