THE TOOLBOX

Technology tools

6 free tools for technology. Run these tools in your browser without an account.

• CSV ↔ JSON converterSwitch between CSV and flat JSON records. Keep long IDs and number literals intact.
• JSON formatter & validatorTurn compact JSON into something readable, or compact it for a smaller file.
• URL inspector & UTM builderInspect URL components and repeated parameters. Add or update UTM campaign tags while keeping the rest of the address.
• File checksum verifierHash a file or UTF-8 text on your device. Check an expected SHA-256 value and download the result.
• IPv4 CIDR subnet calculatorFind a subnet’s mask, address range and conventional host count.
• IPv6 hex formatterExpand or shorten a hexadecimal IPv6 address with consistent formatting.

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