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Caesar Cipher Tool
Encrypt or decrypt text with a classic Caesar cipher, with an A-Z mapping table, brute-force list, letter-frequency chart, and ROT13 shortcut.
FreeText
Blake2b Hash Generator
Compute the BLAKE2b hash of text or a file in your browser, with adjustable output length and optional keyed hashing (MAC).
FreeText
Bionic Reading Converter
Convert any text into bionic reading format by bolding the first portion of each word to help you read faster and focus better.
FreeText
Bcrypt Hash Generator Checker
Generate and verify bcrypt password hashes entirely in your browser using WebAssembly, with an adjustable cost factor and salt.
FreeText
Number Base Converter
Convert a number between binary, octal, decimal, hexadecimal, BCD, Gray Code, and any custom base from 2 to 36, all at once from a single input.
FreeText
Base64 Encode/Decode
Encode text to base64 or decode base64 back to text, live as you type, with full Unicode support and an optional URL-safe variant.
FreeText
Bar Graph Maker
Turn simple label,value data into a customizable bar chart with 8 color themes, orientation, sorting, negative-value support, instant stats, and SVG/PNG export.
FreeText
Bandwidth Calculator
Convert between data units, estimate file transfer time, size website bandwidth from traffic, and convert between a monthly data allowance and a sustained connection speed.
FreeText
Backronym Generator
Turn any acronym or word into a backronym across 6 tones and 5 sentence patterns, with custom words per letter and Memorability/Pronounceability scoring.
FreeText
Atbash Cipher Tool
Encode and decode text with the Atbash cipher in classic, digit, and Hebrew variants, with a live mirror-pair reference and character mapping table.
FreeText
Argon2 Hash Generator
Generate and verify Argon2id/Argon2i/Argon2d password hashes entirely in your browser, with adjustable memory cost, time cost, and parallelism.
FreeText
API Tester
Send HTTP requests to any API endpoint and inspect the response, right in your browser.
FreeText
Anagram Generator
Find English anagrams and shorter words you can make from any word, right in your browser.
FreeText
Adler32 Checksum Calculator
Calculate the Adler-32 checksum of text or a file, right in your browser.
FreeText
Add Text Each Line
Insert the same text into every line, at the start, end, an exact position, or next to a match, right in your browser.
FreeText
Add Prefix And Suffix
Add the same prefix and/or suffix text to every line of a list, right in your browser.
FreeText
Add Line Breaks
Add line breaks after each delimiter, every N characters (word-wrapped or exact), or every N words, with a live line count.
FreeText
Acronym Generator
Turn a phrase into its acronym instantly, with a letter-by-letter breakdown and an optional minor-word-skipping mode.
FreeText
List Randomizer
Shuffle any list, pick random winners for giveaways, and split entries into even groups, all in your browser with an unbiased Fisher-Yates shuffle.
FreeText
Line Counter
An advanced line counter that instantly analyzes your pasted text: duplicate/empty line detection, comment line filtering, regex-powered find & replace, sorting, and prefix/suffix insertion.