Text
Morse Code Translator
Convert text to Morse code and sound, or decode symbols, audio files, microphone recordings and keyboard taps.
Open
Free online tools that just work
Get from task to result with focused tools in your language. Most tools need no sign-up and run right in your browser.
All tools
Music
Perfect Pitch Test
Hear isolated notes and test how accurately you can name them without a reference sound.
Open
Music
Perfect Pitch Trainer
Practise naming notes by ear with guided levels, immediate feedback and checks without hints.
Open
Games
Ladder Draw / Amidakuji
Play a fair ladder draw with names and outcomes, then reveal each path on screen.
- random
- generator
Games
Printable Amidakuji Maker
Make a blank or labeled amidakuji ladder sheet to print or download as SVG.
- random
- generator
Games
Random Team Generator
Shuffle names into random, near-equal teams. Choose a team count or maximum size, then copy the result; no account or upload needed.
- random
- generator
Games
Conditional Group Generator
Make random groups with conditions: keep people together or apart, assign captains and optionally balance skill ratings.
- random
- generator
Games
Tambola Number Caller
Call random Tambola and Housie numbers from 1 to 90 without repeats. Use voice, automatic timing, a live board and local game recovery for free.
- random
- generator
Security
Enigma Machine Simulator
Use a free Enigma machine simulator to encrypt and decrypt text online. Set Enigma I, M3 or M4 rotors, rings, reflector and plugboard; inspect every letter's path.
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Security
SIGABA Machine Simulator
Simulate SIGABA online: configure all 15 rotors, encrypt and decrypt with CSP-889 or CSP-2900, and inspect the irregular stepping. Educational wiring is disclosed.
Open
Security
Fialka M-125 Simulator
Simulate the Fialka M-125 online: set 10 wheels and a punched card, encrypt or decrypt Cyrillic text, and inspect every rotor step.
Open
Security
Text Encryptor
Encrypt and decrypt messages in any language with a random 256-bit key. Copy readable Base32 ciphertext; everything runs in your browser.
Open
Games
Tambola Ticket Generator
Generate printable Tambola and Housie tickets in valid 3×9 grids. Make 1–120 tickets, preview them and print six per A4 page or save as PDF.
- random
- generator
Games
Tambola Dividends Planner
Plan Tambola and Housie prizes: choose winning patterns, divide a budget and print a host card with clear rules and amounts.
Open
Documents
Unlock PDF
Remove password protection from a PDF on your device. Enter the opening password if required and download an unencrypted copy.
- passwords
Documents
Password protect PDF
Password protect a PDF online for free with AES-256. Generate a strong password and encrypt on your device, without uploading your document.
- passwords
Audio
Audio Splitter
Split an audio file into equal parts or clips of a fixed length in your browser. Download MP3, WAV, M4A, AAC, FLAC or OGG parts without uploading or re-encoding.
Open
Developers
Hash Calculator
Calculate SHA-256 hashes of text, files or decoded bytes locally, then copy or export the result.
Open
Developers
MD5 Generator
Calculate MD5 hashes of text, files or decoded bytes locally, then copy or export the result.
- generator
Developers
SHA-1 Generator
Calculate SHA-1 hashes of text, files or decoded bytes locally, then copy or export the result.
- generator
Developers
SHA-256 Generator
Calculate SHA-256 hashes of text, files or decoded bytes locally, then copy or export the result.
- generator
Developers
SHA-512 Generator
Calculate SHA-512 hashes of text, files or decoded bytes locally, then copy or export the result.
- generator
Developers
CRC32 Calculator
Calculate CRC32 hashes of text, files or decoded bytes locally, then copy or export the result.
Open
Developers
File Checksum Checker
Calculate and verify file checksums with SHA-256, MD5 and other algorithms without uploading files.
Open
Developers
HMAC Generator
Generate HMAC-SHA256 and other SHA-1/SHA-2 message authentication codes from a payload and an explicit key.
- generator
Developers
Random String Generator
Generate random strings with an exact character length and your chosen alphabet.
- random
- generator
Developers
Random Token Generator
Generate random bytes as Base64url, Base64, Hex, Base32, Base58 or Binary tokens.
- random
- generator
Developers
Random Hex Generator
Generate hexadecimal strings with an exact character length or byte length.
- random
- generator
Developers
Random Hash Generator
Generate real hash digests from fresh random bytes using SHA-256 and 14 other algorithms.
- random
- generator
Security
Password Generator
Create a random password with the length and characters you need.
- passwords
- random
- generator
Security
Wi-Fi QR Code Generator
Make a QR code that connects phones to your Wi-Fi, and print it as a card or a table sign.
- Wi-Fi
- QR code
- generator
Security
Wi-Fi QR Code Scanner
Read a Wi-Fi QR code from a photo or a screenshot and see the network name and password.
- Wi-Fi
- QR code
- passwords
Security
Read QR Code from Image or Screenshot
Read any QR code from a picture and understand what it may do before you open or use it.
- QR code
Security
QR Code Decoder
Decode a QR code to see its text, bytes, character encoding, version and other symbol details.
- QR code
Text
Lorem Ipsum Generator
Free Lorem Ipsum and dummy text generator with exact word, character, sentence and paragraph counts. Copy classic or native filler text as plain text or HTML.
- random
- generator