Decode

Encode plain text into Base64 or decode Base64 strings back into readable UTF-8 text.

Turn an uploaded or pasted image into a Base64 data URL, or paste Base64 back into a previewable image you can download. Works with PNG, JPEG, GIF, WebP, and other common image formats.

Created as a tool to remove myself from the edit-update-fix loop, this simple tool will encode the text of your choice into multiple encodings.

A utility to decode and deserialize a JWT token to inspect the data inside

Inspect PEM, CER, CRT, DER, and PFX/P12 certificates locally. View subject, issuer, validity, fingerprints, SANs, key usage, and full certificate chains.