All Activities
Decode a message in base64

Decode a message in base64
Green highlight

Cryptography

Quick

Medium

SWYgeW91J3JlIHJlYWRpbmcgdGhpcywgdGhlbiB5b3UndmUgY29tcGxldGVkIHRoZSBjaGFsbGVu Z2UgYnkgZGVjb2RpbmcgdGV4dCB0aGF0J3MgYmVlbiBlbmNvZGVkIHRvIEJhc2U2NC4gQXdlc29t ZSEgVGFrZSBhIHNjcmVlbnNob3Qgb2YgaG93IHlvdSBkaWQgaXQgdG8gY29tcGxldGUgdGhlIGNo YWxsZW5nZSE=

Orange shooting star
Download Guide
Collect Badge
grey blob
Challenge Image
Skill Badge
Table of Contents

Cryptography

Step 1

SWYgeW91J3JlIHJlYWRpbmcgdGhpcywgdGhlbiB5b3UndmUgY29tcGxldGVkIHRoZSBjaGFsbGVu Z2UgYnkgZGVjb2RpbmcgdGV4dCB0aGF0J3MgYmVlbiBlbmNvZGVkIHRvIEJhc2U2NC4gQXdlc29t ZSEgVGFrZSBhIHNjcmVlbnNob3Qgb2YgaG93IHlvdSBkaWQgaXQgdG8gY29tcGxldGUgdGhlIGNo YWxsZW5nZSE=

Final steps

You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

Collect Badge
Challenge badge placeholder
Challenge badge

Get 7 days of DIY for FREE!

Continue with Google

Continue with Apple

Continue with Email

Our Mission

To create a safe space for kid creators worldwide!

Popular Activities

How to Make Slime

Draw a Dog

Cook Salmon

Make a LEGO Skeleton

Draw Anime Eyes

Popular Courses

Cook for Yourself

Fashion Design

Scratch Design

Minecraft

Drone crash course

Games & Tools

Homework Helper

Would You Rather

Jokes

DIY Blog

Company

About

Blog

Pricing

FAQ

Policies

Terms of Service

Privacy Policy

Community Guidelines

Download on AppStoreDownload on Google PlayDownload on Google Play

2025, URSOR LIMITED. All rights reserved. DIY is in no way affiliated with Minecraft™, Mojang, Microsoft, Roblox™ or YouTube. LEGO® is a trademark of the LEGO® Group which does not sponsor, endorse or authorize this website or event. Made with love in San Francisco.