Developer Toolkit
Developer Toolkit
A practical bench of utilities for everyday coding. Convert between JSON, CSV, XML, and Excel; encode and decode Base64 and URLs; generate UUIDs and MD5 checksums; minify HTML, CSS, and JS; and convert timestamps — fast, free, and processed in your browser.
Who is this for?
For developers, QA engineers, and technical folks who need a quick conversion, encoding, or generator without firing up a script. Keep this hub open in a tab for the small tasks that interrupt your real work.
Data converters
Encode & hash
Build & inspect
Step-by-step workflows
Related Toolkits
Browse by category
Frequently Asked Questions
No. Base64 is encoding for representing data, and MD5 is a hash for checksums and integrity checks. Neither is encryption, and MD5 should not be used to secure passwords.
UUID v4 is generated from randomness with an extremely low probability of collision in normal use, which is why it's widely used as an identifier.
Yes. The JSON⇄CSV and JSON⇄XML converters work both ways, so you can move data between formats without separate tools.
Minifying removes whitespace and comments to shrink file size. It shouldn't change behavior, but always test the minified output in your environment before shipping.
These developer tools run in your browser, so the data you paste or upload is processed on your device rather than sent to our servers.