Developer tools

JSON, Base64, regex and more

JSON formatter

Format and check JSON without changing your data

Convert Unix timestamps to dates

Encode and decode Base64, with full UTF-8 support

Encode and decode URLs and read query strings

Encode and decode HTML entities

Convert between YAML and JSON both ways

Read a JSON Web Token without sending it anywhere

Test regular expressions with live highlights

Make v4 and v7 UUIDs in your browser

Convert between CSV and JSON both ways

Read a cron expression in plain English

Convert text to and from \uXXXX escapes

Free developer tools. Format JSON, encode Base64, test regular expressions, decode JWTs and more, all in your browser, so your data stays private.

What Developer tools does QuickToolz have?

There are 12, including JSON formatter, Unix timestamp converter, Base64 encoder and decoder, URL encoder and decoder.

Are these tools free?

Yes. Every tool is free, with no sign-up and nothing to install.

Is my data private?

Yes. The tools run in your browser, so what you type stays on your device.