Text & code tools
Count words, format JSON, hash text, test regex, compare files.
Word CounterCount words, characters, spaces, sentences, paragraphs, reading time and keyword repetition as you type. Handy for essays, tweets and SEO briefs.
Popular
Case ConverterConvert a block of text to title case, sentence case, camelCase, snake_case, kebab-case or inverse case in a single click.
Remove Duplicate LinesDelete repeated lines from a list, ignore letter case, trim stray spaces, drop blanks and sort A to Z or longest first.
Lorem IpsumGenerate exactly the amount of dummy text your mock-up needs — words, sentences or paragraphs, including the classic Cicero opening.
Base64 Encode / DecodeEncode text to Base64 or decode it back, with URL-safe alphabet support and instant invalid-character errors.
Popular
URL Encode / DecodePercent-encode a query value, encode a whole URL, or decode an escaped string back to readable text, with encodeURIComponent semantics.
HTML EscapeTurn <, >, &, quotes and accented letters into safe entities, or convert entities back into characters for display.
Reverse TextWrite a string backwards, produce upside-down Unicode for social posts, or reverse word order without scrambling each word.
JSON FormatterPretty-print messy JSON, spot the exact line of a syntax error, sort keys, minify a payload, and collapse or expand nodes on a tree view.
Popular
CSV to JSONUpload or paste a spreadsheet export and get an array of objects, with quoted fields, thousands separators and empty cells handled correctly.
Markdown to HTMLPaste Markdown and copy the rendered HTML out, with tables, fenced code, footnotes-style links and optional GitHub flavour.
Hash GeneratorGet a message digest from any text, or a file checksum for download verification, in the algorithm your system expects.
UUID GeneratorCreate as many version 4 identifiers as you need, in the format your tool expects: dashes, braces, uppercase or plain.
Password GeneratorBuild a memorable or unguessable password with the length and symbols you allow, see its strength, and copy it without it ever touching a server.
Popular
Regex TesterMatch a pattern against sample text with live highlighting, capture-group details, flags, and a plain-language breakdown of the expression.
Diff CheckerLine-by-line comparison of two versions of a file, contract or article, with additions and deletions colour-coded and a copy-ready summary.
Text to SpeechTurn any paragraph into speech, choose a voice and language, adjust speed and pitch, and proofread a script by ear.
Contract GeneratorGenerate a mutual NDA or a service agreement from a simple template. Fill in the parties, purpose and terms, then download or print. Free.
Zero-Width WatermarkHide a secret message inside ordinary text using invisible zero-width Unicode characters. It survives copy-paste. Embed or reveal it free, in your browser.
CSS Shadow & Grid GeneratorGenerate CSS box-shadow, border-radius and grid layouts visually. Drag the sliders, watch the live preview and copy the CSS. Free, no sign-up.
JSON to SVG DiagramTurn JSON into a colourful SVG structure tree. Paste an object or array, render the diagram, then download the SVG or copy the markup. Free, local.
Encrypt / Decrypt TextEncrypt and decrypt text with AES-256-GCM and a passphrase, right in your browser. PBKDF2 key derivation, nothing uploaded. Free and private.