Free for everyone

Free Puzzle Tools

Encode, decode and crack secret messages with our free cipher tools. Made by the MysteryLocks puzzle designers for escape rooms, classrooms, treasure hunts and secret notes.

Printable Puzzle Maker

Type a secret message, pick any of our ciphers and print a ready-to-play puzzle sheet with answer boxes, a key and an answer page.
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Morse Code Translator

Turn text into dots and dashes and back again, hear it beep at your own speed, and learn the full Morse code chart.
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Pigpen Cipher Translator

Write messages in the Freemason’s cipher, decode them by tapping symbols, and download your secret note as an image.
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Caesar Cipher Decoder and Encoder

Shift letters with a spinning cipher wheel, use ROT13, and crack a message with an unknown shift by trying all 25 at once.
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Letters to Numbers Converter

Turn letters into numbers and back (A=1 to Z=26), add up a word for a padlock code, and see the full alphabet chart.
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Atbash Cipher Translator

Flip the alphabet so A becomes Z and B becomes Y. Type in either box to encode or decode, and use the mirror key for your own puzzles.
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Vigenère Cipher Encoder and Decoder

Lock a message with a secret keyword, see every step letter by letter, and use the full Vigenère square for your own puzzles.
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Tap Code Translator

Turn messages into knocks and grid numbers, hear them tapped out, and switch between tap code and the Polybius square.
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Braille Translator

Turn text into braille and back, copy real braille text anywhere, and learn the full braille alphabet with a dot chart.
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Flag Semaphore Translator

Spell any message in flag semaphore, tap the flags to build a word, and download your signals as an image.
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Great for

DIY escape rooms
Classroom activities
Treasure and scavenger hunts
Birthday and party games
Secret notes to friends

Ready for a whole escape room?

Our printable escape rooms put ciphers like these into a full story, with puzzles to solve, a mystery to crack and everything ready to print and play at home tonight.

Browse printable escape rooms

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I used this for my huband’s 40th birthday. Him and his siblings have done every actual escape room anywhere near us and they’re really good at them, so I was nervous this was going to be too easy for them. It actually was perfect. Both teams needed a hint for the first puzzle, and it took them probably an hour and a half for the first team to solve the whole game. There was lots of laughing and it seemed like they really enjoyed it and were challenged. I would definitely try another game and recommend this to anyone!

Explains the set up perfectly, the puzzles themselves were very good :) We played with four of us initially as one team but ended up competitively racing to work everything out boys v girls (girls won😉) - worked well both ways! Was a really fun night, will most likely buy from this shop again 🫶🏼

Difficulty: Quite tricky

Player type: With adults

Duration: Over 2 hours

Raven Mansion Mystery- Pure Delight!

We played this as a family of four (2 parents and 2 adult kids) at our son's birthday weekend getaway. We all had an amazing time exploring, learning and (eventually) escaping! The website element was so well done and truly set the stage for the entire event! Well done!

Duration: 1–2 hours

Great fun for a rainy day!

This was lots of fun! We did this as a group of 3 and it took about 90 minutes. Easy to set up, and next time I'll try adding boxes and locks to add to the atmosphere.

Difficulty: Easy and fun

Player type: With kids (under 12)

Duration: 30–60 minutes

Fun Easter activity

The kids enjoyed this Easter escape and only needed a few clues on certain ones. Aged 9 and 12. I loved the way all the clues and pieces were in envelopes and kept together. It made it look very nice and organized.

What a wonderful experience! We loved playing this for my son's 24th birthday! The online portion was so well done and we worked together to get all the puzzles solved (used the hints too!). Thank you so much!

We had someone much fun!!!!🤩🤩🤩

We had so much fun!!!🤩🤩🤩 I will say, it was on the hard side for us which made it an absolute great evening!!!!

I printed it twice and had 3 on 1 team and 4 on the other (1 didn't show up🫣) . That was the perfect amount to work on this game. I did use some envelopes to put some of the items in so I didn't have to fold them as much. I just wrote inside the door to open the coinciding envelope when the room was opened.

We did have to use some clues to get through. The website was awesome with guiding you throughout the game.

We look forward to our next game night doing one of these puzzles.🤩

(I didn't get a picture of everyone☹️ but one group did take a picture. 🥰)

hatte Potenzial mit etwas Bastelarbeit ein cooler escape rooms zum Anfassen zu werden

Difficulty: Just right

Player type: With teens (13–17)

Monster Chest - 14th birthday party

We had a 14th birthday party with seven boys, at least four of whom were used to escape rooms. Everything went very smoothly and the materials were high quality. The kids definitely had fun. It took them a little longer than an hour to do it, but they weren’t trying to rush. Even though they were all one team, I printed two copies of everything so there wouldn’t be seven people all huddled around one piece of paper. In retrospect, I would have printed at least four copies so everyone could truly see and remain engaged. I would have also printed the room and the chest a lot bigger, just to make it a bit more immersive. I swapped out the envelopes for boxes with 4-digit locks, to make finding the code more satisfying. I would say the 3.5 difficulty was just right for the experienced players and a little too hard for those who had never done an escape room before. We will definitely buy more kits for future parties.

Oh my gosh! This was so much fun Easter Morning. I set the game up for my husband and two grown children. What a riot watching them figure out the clues so the could get the next clue.
I highly recommend!!

It was a great experience for the whole family

It was a great experience for the whole family, my 18, and 20 year olds were intrigued and dedicated to solving the puzzles. Everyone had a wonderful time while using our brains, lol.

Really great puzzles

Really great puzzles, lovely story, easy to follow and if not, the clues are there! Great way to take our Easter Egg hunt to the next level!

We did this as a family of four and really enjoyed it! I went full immersive. Loved the details of the box and the envelopes

The Easter Escape Room was fun. My 15 and 13 year olds (who are skilled escape roomers) took about 25 minutes to complete it, along with searching the house for the 11 envelopes they needed. The directions and clues were clear.

Fun...but need more of a challenge.

This one was a bit on the easy side for our family (18-26 years old). But we did enjoy it and will try another one in the future. The next one, we will split up into teams and compete against each other to add a little more excitement.
Couple of suggestions, the font on the cards is hard to read and some of the words were above our pay grade. And honestly, most of the puzzles were solved before our narrator was done reading the card. But overall, it was a great game.

Great game. Whole family enjoyed and difficulty-level was pitched right for my 12 and 13 year old. My only critique would be to improve the contrast of the text on the base layer of puzzle two, as when printed out, the blue text on blue background was a little difficult to read.

So cute and fun, great graphics!

Player type: With kids (under 12), With teens (13–17), With adults

Super fun!

Super fun escape room! Easy to print, cut and set up. I printed 4 sets and split our large family into groups to solve. Everyone had a great time!

Difficulty: Very challenging

From the Printer to the Banquet Hall

Last year, we bought "The Pirate Box" Escape Room from Mystery Locks to use for our high school's Spring Banquet. We tweaked the story a little and gave it a "Goonies" intro, inviting the students to free "One-Eyed Willie!" We went all out, building a room that modeled the inside of a Pirate ship, complete with skeletons and treasure! The students had a blast! We are looking forward to this year's banquet as we tackle "The Venice Heist!" Thank you, Mystery Locks!

If you would like to see our Escape Room, here is a public link to a silent video through Canva! Thank you!

https://www.canva.com/design/DAHATVV-CZM/FVu4iH8Jmmu6sL8cTWH_Cw/watch?utm_content=DAHATVV-CZM&utm_campaign=designshare&utm_medium=link2&utm_source=uniquelinks&utlId=hda909b91de