Word Counter — Words, Characters & Reading Time

Count prompt tokens, estimate API cost, and find wasted context locally in your browser — no prompt upload.

Convert text to UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case, or kebab-case.

Generate classic placeholder copy as paragraphs, sentences, or words — plain text or HTML, privately in your browser.

Convert Markdown to HTML and HTML back to Markdown — locally in your browser.

Compare two texts line by line, word by word, or character by character. Highlights additions and deletions privately in your browser.

Paste a draft and see how often words and phrases appear — live keyword density, ranked n-grams, and stuffing guidance, all in your browser.

Generate title, description, Open Graph, Twitter, and canonical tags from your page details.

Browser-native API client — build or paste cURL requests, inspect responses, manage collections, and store everything in IndexedDB. No backend required.

Encrypt and decrypt text with AES-GCM or AES-CBC locally. Passphrase (PBKDF2) or raw keys, custom IV/salt, and portable JSON packages.

Encode text to Base64 or decode Base64 back to UTF-8 text in your browser.

Sort lines alphabetically or by length, remove duplicates, and trim empty lines — locally in your browser.