Converters

Convert text and data between formats without losing anything: change letter case, encode and decode Base64 and URLs, or turn text into binary and back. Each converter transforms your input the instant you paste it, entirely in your browser, so there is no upload and no waiting.

Case Converter Free online case converter tool. Convert text to UPPERCASE, lowercase, Title Case, Sentence case, and more instantly.

Text Reverser Free online text reverser. Reverse text by character, word, or line instantly. Works with Unicode, emoji, and special characters.

URL Encode/Decode Free online URL encoder and decoder. Encode or decode URLs and query parameters instantly with proper percent-encoding.

Base64 Encode/Decode Free online Base64 encoder and decoder. Encode text to Base64 or decode Base64 back to readable text instantly.

Smart Quotes Converter Convert between straight quotes and smart (curly) quotes. Also convert apostrophes, dashes, and ellipses.

Morse Code Translator Free online Morse code translator. Convert text to Morse code and decode Morse code back to text instantly with audio playback.

Binary to Text Converter Convert text to binary code or decode binary back to text instantly. Works with 8-bit binary, ASCII characters, and supports both directions.

Text to ASCII Converter Convert text to ASCII codes or decode ASCII codes back to text. See decimal values for every character instantly.

Reverse Words Reverse the order of words in a sentence. Keep each word intact but reverse their sequence with one click.

Text to Hex Converter Convert text to hexadecimal or decode hex back to text. Each character becomes its hex code point value.

ROT13/ROT47 Cipher Encode or decode text using ROT13 (letter rotation) or ROT47 (full ASCII rotation) ciphers. Instant two-way encryption.

Caesar Cipher Encode or decode text using the classic Caesar cipher. Choose any shift value from 1 to 25 to encrypt or decrypt your message.

HTML Encode / Decode Encode or decode HTML entities. Convert special characters like & < > " ' to their HTML entity equivalents and back.

Markdown to HTML Converter Convert Markdown to HTML instantly. Write in Markdown and see the rendered HTML output side by side.

HTML to Markdown Converter Convert HTML to Markdown instantly. Paste HTML source and get clean Markdown output for documentation, notes, and more.

Words to Numbers Converter Convert number words (one, two, three) to digits (1, 2, 3) and digits to words. Handles large numbers and decimals.

Camel Case Converter Convert text to camelCase format. Perfect for JavaScript, Java, and other programming variable naming conventions.

Pascal Case Converter Convert text to PascalCase format. Perfect for C#, TypeScript classes, and React component naming.

Snake Case Converter Convert text to snake_case format. Perfect for Python, Ruby, Rust, and database column naming.

Kebab Case Converter Convert text to kebab-case format. Perfect for URLs, CSS classes, and HTML attributes.

Dot Case Converter Convert text to dot.case format. Perfect for package names, namespaces, and configuration keys.

Roman Numeral Converter Convert between Roman numerals and Arabic numbers. Supports values from 1 to 3,999 with instant bidirectional conversion.

NATO Phonetic Alphabet Convert text to the NATO phonetic alphabet (Alpha, Bravo, Charlie). Spell words, names, or codes letter by letter.

Delimited Text Converter Convert text between CSV, TSV, pipe-delimited, semicolon-delimited, and custom delimiter formats with a live preview table.

Sentence Case Converter Convert any text to sentence case. Capitalize the first letter of each sentence while keeping the rest lowercase.

Title Case Converter Convert any text to proper title case. Capitalize major words and lowercase minor words per AP and Chicago style guides.

Start Case Converter Convert any text to start case. Capitalize the first letter of every word for clean, readable formatting.

Code Identifier Case Converter Bulk convert code identifiers between naming conventions: camelCase, PascalCase, snake_case, kebab-case, UPPER_CASE, and more.

Time Zone Converter Free online time zone converter. Convert time between world time zones in real time.

Pixels to Print Size Calculator Free online pixels to print size calculator. Calculate print dimensions in inches, cm, and mm from image resolution and DPI.

Resolution Scale Calculator Free online resolution scale calculator. Scale display or video resolutions by multiplier factors or target aspect ratios.

Binary to Decimal Converter Free online binary to decimal converter. Convert numbers between binary, octal, decimal, hexadecimal, and ASCII text.

Bionic Reading Converter Free online bionic reading converter. Bold the first few letters of each word for faster, more focused reading.

Vigenère Cipher Calculator Free online Vigenère cipher calculator. Encrypt and decrypt text with a custom key and visual grid tracing.

Number to Letter Converter Free online number to letter converter. Convert numbers to their corresponding alphabet letters (A1Z26 cipher).

Letter to Number Converter Free online letter to number converter. Convert text letters to their alphabet indexes (A1Z26 cipher).

Convert CSV to List Free online CSV to list converter. Extract specific columns from CSV data and convert to a line-based list.

Text to Decimal Converter Free online text to decimal converter. Convert text to ASCII/Unicode decimal codes and back instantly.

Column to Comma Separated Free online column to comma converter. Convert vertical lists to comma-separated values instantly.

Text to Octal Converter Free online text to octal converter. Convert text to octal (base-8) codes and back instantly.

Slash-Escape Text Free online slash escape tool. Escape or unescape special characters with backslashes in any text.

Convert Tabs to Spaces Free online tab-to-space converter. Replace tab characters with spaces or spaces with tabs at any width.

Unicode to Text Converter Convert Unicode escape sequences (\uXXXX) to readable text and encode text to Unicode escapes. Handle surrogate pairs and emoji.

Data Format Converter Paste data in any format — JSON, CSV, YAML, Markdown table, or XML — and convert it to any other format instantly.

In-Depth Guides

URL Encoding Explained: What It Is and Why You Need It How to Convert Smart Quotes to Straight Quotes (And Vice Versa) Guide (2026) How to Convert Text to Binary Code (And Back) Text Encoding Explained: Binary, Hex, Base64 & URL How to Calculate Print Size from Pixels at Given DPI (2026) DPI & Print Resolution: Pixels to Print Size Explained How to Convert Letters to Numbers (A=1, B=2) Online (2026)