Free tools
Free tools for your website and business
Small utilities we use ourselves and you can use too: no sign-up, nothing to install, and your data never leaves your browser.
Security and keys
Passwords, keys, hashing and encryption.
Password Generator
Random, memorable or PIN passwords, with a strength meter.
Open toolPassword Checker
See how strong a password is and whether it appears in data breaches.
Open toolSecure Key Generator
AES keys, JWT secrets, API keys, UUIDs and Wi-Fi passwords.
Open toolMD5 and SHA-256 hash generator
Calculate the MD5, SHA-1, SHA-256, SHA-384 or SHA-512 hash of a text, and keyed HMAC.
Open toolEncrypt text with a password (AES)
Encrypt and decrypt a text with a password using AES-256-GCM in your browser.
Open toolCount and calculate
Words, characters, numbers and counters.
Character Counter
Count characters and words and preview your title on Google.
Open toolWord counter
Count words, sentences and paragraphs, and see which words and phrases you repeat most.
Open toolRandom number generator
Generate random numbers in any range, with or without repeats and with decimals.
Open toolNumber list generator
Create a sequence of numbers (1 to 100, counting by 5s…) with the separator and prefix you like.
Open toolClick counter
A manual online tally counter with several counters, a configurable step, a goal and undo.
Open toolClean up and format
Case, spaces, line breaks, duplicates and more.
Convert text case
Turn a text into UPPERCASE, lowercase, title case, sentence case, camelCase or snake_case.
Open toolRemove extra spaces
Remove leading and trailing spaces, double spaces or all the spaces in a text.
Open toolRemove and add line breaks
Join the lines of a text, or split a text into lines by characters, words or sentences.
Open toolRemove empty lines
Delete the blank lines from a text or list, or leave just one between paragraphs.
Open toolRemove duplicate lines
Remove the repeated lines from a list, or keep only the repeated or the unique ones.
Open toolRemove accents and diacritics
Remove accents, umlauts and other marks from letters, with an option to keep the ñ.
Open toolRemove lines containing text
Remove, or keep only, the lines that include a word, phrase or regular expression.
Open toolFind and replace text
Replace a word or pattern with another throughout the text, with whole-word and regex options.
Open toolClean a URL list
Reduce a list of URLs to the root or the domain, or strip the tracking parameters.
Open toolLists and combinations
Sort, join, number and combine lists of lines.
Sort a list alphabetically
Sort the lines of a list from A to Z, by number, by length or at random.
Open toolAdd a prefix and suffix to each line
Put some text at the start and/or end of every line in a list.
Open toolMerge text line by line
Combine several lists row by row: line 1 with line 1, line 2 with line 2, and so on.
Open toolExtract a column from CSV text
Pull a specific column out of text separated by commas, tabs or semicolons.
Open toolNumber lines of text
Add a number in front of every line, with the format, start and step you choose.
Open toolCombine word lists
Generate every possible combination between lists of words or phrases.
Open toolCombinations generator
Choose k items from a list, in any order, and calculate how many combinations there are.
Open toolPermutations generator
Arrange the items of a list in every possible way and count how many there are.
Open toolSort Spanish words by gender
Split a list of Spanish words by gender and number, and fill in the missing forms.
Open toolCodes and text games
Binary, ASCII, Base64, Caesar, reversed text.
ASCII table and Unicode converter
Browse the full ASCII table and convert text to decimal, hex, Unicode or HTML codes.
Open toolBinary translator
Convert text to binary, octal, decimal or hexadecimal and decode codes back to text.
Open toolBase64 encoder and decoder
Encode text to Base64, URL or hexadecimal and decode it back, with UTF-8 support.
Open toolReverse text
Reverse a text: characters, words or lines in reverse order, emojis included.
Open toolCaesar cipher and ROT13
Encrypt and decrypt with the Caesar cipher (any shift), ROT13 or try all 25.
Open toolRemove vowels from text
Remove the vowels from a text, with the option to replace them, keep the first letter or include accented vowels.
Open toolScramble words and letters
Shuffle the letters of each word, the words in a line or the lines of a text.
Open toolWeb and communication
WhatsApp links and utilities for your website.
How we handle your data
Everything happens in your browser
The passwords, texts and numbers you type are processed on your device with the page's own code.
We store nothing
There are no accounts or databases: what you type is not sent to our servers or saved.
Free and unlimited
Use them as often as you like. If your business needs something more tailored, we build that too.
Need a custom tool for your business?
Tell us what would save you time and we will look at how to build it, with no obligation.