Tools
All 48 free tools
Every tool runs entirely in your browser — nothing is uploaded, nothing is stored, and none of it needs an account. Start with the case converter or search below.
Case Conversion 12
Change capitalisation — sentence case, title case, camelCase, snake_case and more.
Uppercase to Lowercase ConverterConvert UPPERCASE text to lowercase instantly. Paste any block of capitals, click once, and get clean lowercase text. Free, no sign-up, runs in your browser.Lowercase to Uppercase ConverterConvert lowercase text to UPPERCASE instantly. Paste any text, click once, and every letter becomes a capital. Free, no sign-up, private to your browser.Title Case ConverterConvert any headline to proper title case. Major words capitalised, short words like "a", "the", and "of" kept lowercase. Free online title capitalization tool.Sentence Case ConverterConvert text to sentence case online. Capitalises the first letter of every sentence and lowercases the rest — perfect for fixing all-caps or badly formatted text.Capitalize Each WordCapitalise the first letter of every word instantly. Paste your text and get Proper Case output — ideal for names, headings, and spreadsheet columns.aLtErNaTiNg cAsE GeneratorGenerate aLtErNaTiNg cApS text — the mocking SpongeBob meme font. Paste any sentence, click once, and copy the result for Discord, X, TikTok, or Reddit.camelCase ConverterConvert any text, sentence, or identifier to camelCase instantly. Handles snake_case, kebab-case, and PascalCase input. Free online tool for developers.snake_case ConverterConvert text, sentences, or camelCase identifiers to snake_case instantly. Free online tool for Python developers, database columns, and API fields.kebab-case ConverterConvert text to kebab-case instantly — lowercase words joined by hyphens. Perfect for URL slugs, CSS class names, and file names. Free online tool.PascalCase ConverterConvert text or identifiers to PascalCase online. Every word capitalised and joined with no spaces — the standard for class and component names.CONSTANT_CASE ConverterConvert text to CONSTANT_CASE (SCREAMING_SNAKE_CASE) instantly — uppercase words joined by underscores. Ideal for env variables and constants.Reverse Text GeneratorReverse any text instantly — turn your sentence backwards, character by character. Free online backwards text generator with copy and download.
Text Tools 18
Count, clean, sort, compare, and reshape text.
Word CounterCount words, characters, sentences, and paragraphs instantly as you type. Free online word counter with no sign-up — your text never leaves your browser.Character CounterCount characters with and without spaces instantly. Free online character counter for tweets, meta descriptions, SMS, and form limits. No sign-up needed.Sentence CounterCount the sentences in any text instantly, plus average words per sentence. Free online sentence counter for editing, essays, and readability checks.Reading Time CalculatorCalculate how long text takes to read or speak aloud. Free reading time calculator with adjustable words-per-minute for articles, scripts, and speeches.Readability CheckerCheck your text readability instantly with Flesch Reading Ease and Flesch–Kincaid grade level. Free readability scorer — no AI, no sign-up, runs in your browser.Remove Line BreaksRemove line breaks and carriage returns from text instantly. Fix text copied from PDFs and emails, with the option to keep paragraph breaks. Free, no sign-up.Remove Extra SpacesRemove double spaces, trailing whitespace, tabs, and blank lines from any text in one click. Free online whitespace cleaner that runs in your browser.Remove Duplicate LinesRemove duplicate lines from any list instantly, with case-sensitive and whitespace options. Free online deduplication tool for emails, URLs, and data lists.Sort Lines AlphabeticallySort any list of lines alphabetically, numerically, by length, or shuffle it randomly. Free online line sorter with case options — nothing leaves your browser.Find and Replace TextFind and replace text online with optional case sensitivity and full regular expression support. Free bulk text replacement that runs entirely in your browser.Strip HTML TagsRemove all HTML tags from markup and get clean plain text. Decodes entities and preserves paragraph breaks. Free online HTML to text converter.Add Line Numbers to TextAdd sequential line numbers to any text or list, with custom start number, separator style, and zero padding. Free online line numbering tool.Text RepeaterRepeat any text or phrase as many times as you need, on separate lines or joined together. Free online text repeater with optional numbering.Extract Email Addresses from TextPull every email address out of any block of text, with duplicates removed and optional sorting. Free online email extractor that runs in your browser.Extract URLs from TextPull every link out of any text or HTML, with duplicates removed and an option to list domains only. Free online URL extractor — nothing leaves your browser.Lorem Ipsum GeneratorGenerate lorem ipsum placeholder text by paragraphs, sentences, or words. Free dummy text generator for mockups, wireframes, and design layouts.Random Word GeneratorGenerate random words instantly for brainstorming, games, writing prompts, and naming. Free random word generator with formatting options.Text Compare — Diff CheckerCompare two texts and see exactly what changed, line by line. Free online diff checker with ignore-case and ignore-whitespace options. Private to your browser.
Developer Tools 18
Encode, decode, format, hash, and convert.
Base64 Encoder & DecoderEncode text to Base64 or decode Base64 back to text instantly. Full UTF-8 and emoji support, runs entirely in your browser. Free, no sign-up.URL Encoder & DecoderEncode and decode URLs and query strings instantly. Handles percent encoding, spaces, and special characters. Free online URL encoder, no sign-up.HTML Entity Encoder & DecoderEncode HTML special characters to entities or decode them back. Escape angle brackets, ampersands, and quotes safely. Free online HTML escape tool.JSON Formatter & ValidatorFormat, validate, and minify JSON instantly with clear error messages. Free online JSON beautifier with key sorting — your data never leaves your browser.JSON to CSV ConverterConvert a JSON array of objects into CSV for Excel or Google Sheets. Handles missing keys, quotes, and commas correctly. Free, private to your browser.CSV to JSON ConverterConvert CSV or spreadsheet data into a JSON array of objects. Handles quoted fields, custom delimiters, and numeric conversion. Free and private.JWT DecoderDecode a JWT to inspect its header, payload, and expiry. Runs entirely in your browser so tokens are never transmitted. Free online JWT debugger.UUID GeneratorGenerate cryptographically random UUID v4 identifiers in bulk, with formatting options. Free online UUID generator using your browser crypto API.Strong Password GeneratorGenerate strong random passwords using your browser cryptographic random source. Fully customisable length and character sets. Nothing is transmitted or stored.SHA Hash GeneratorGenerate SHA-256, SHA-1, SHA-384, and SHA-512 hashes from any text using the native browser crypto API. Free online hash generator, nothing transmitted.MD5 Hash GeneratorGenerate an MD5 hash from any text instantly. Free online MD5 checksum generator that runs entirely in your browser — nothing is uploaded.Regex TesterTest regular expressions against your text with live match highlighting, capture groups, and flag toggles. Free online regex tester, private to your browser.Unix Timestamp ConverterConvert Unix timestamps to readable dates and back, in UTC and your local time zone. Free epoch converter with a live clock and relative time.HEX to RGB & HSL Color ConverterConvert colours between HEX, RGB, and HSL with a live preview and WCAG contrast ratios. Free online colour converter for designers and developers.Number Base ConverterConvert numbers between binary, octal, decimal, and hexadecimal instantly. Free online number base converter that shows all four bases at once.Text to Binary ConverterConvert text to binary code and binary back to text instantly. UTF-8 aware, handles accents and emoji correctly. Free online binary translator.ROT13 and Caesar CipherEncode and decode ROT13 and Caesar ciphers with any shift value. Free online letter rotation tool for puzzles, spoilers, and learning cryptography.Morse Code TranslatorTranslate text to Morse code and Morse back to text instantly. Supports letters, numbers, and punctuation. Free online Morse code converter.