dCode
Several hundred cipher, code and puzzle solvers in one place, from Caesar shifts to crossword pattern matching.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
How to get the most from it
dCode sits in Mysteries & Riddles under Learn, filed as instant.
- Just open it. It pays off within seconds, with nothing to read first.
- It works on a phone or a desktop, so open it on whatever is nearest.
- It works with the sound off, so it is fine on a train or in a quiet office.
- No account needed — you can start without signing up.
- Go in expecting something useful and brainy.
About this category: Logic mysteries, cipher tools, unsolved cases and ARG-shaped sites that never quite explain themselves. Deduction as entertainment.
Good for
- A five-second distraction
- Getting something practical done
- Giving your brain a workout
- A quiet break at your desk
- Killing time on your phone
- Trying it with zero commitment
dCode: quick answers
Is dCode free?
Yes. dCode is free to use and needs no account.
Do I need an account to use dCode?
No. You can use dCode without signing up for anything.
Does dCode work on a phone?
Yes. dCode works on phones as well as desktop browsers.
Is dCode safe for work?
Yes, we file it as safe for work. It also works muted.
How long does dCode take?
We file it as "Instant": Good within five seconds of loading.
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