Help & Guide — Quick Case Converter

Converts every letter to a capital. Used for headings, titles you want to emphasize, social media posts, and acronyms. Great for making text stand out.

Converts every letter to lowercase. Essential for email addresses, web URLs, CSS class names, and normalising database entries.

Capitalizes the first letter of every word. The standard format for article titles, blog headlines, book titles, and SEO page titles.

Capitalizes only the first letter of each sentence — like normal written text. Perfect for fixing ALL-CAPS pasted content into readable paragraphs.

Scans for 40+ AI writing signals: overused phrases ("in conclusion", "furthermore", "it is worth noting", "leverage", "cutting-edge"), uniform sentence length, low vocabulary variety, and excessive passive voice.

Detects human writing signals: contractions (can't, won't, I'm), casual language (honestly, basically, kinda), personal pronouns (I, we, you), direct questions, exclamations, and varied sentence rhythm.

Is your instruction clear and unambiguous? High clarity prompts start with action verbs (Write, Explain, Create, List) and avoid vague words like "stuff" or "things".

Does the prompt include enough context? Good detail specifies audience, purpose, output format (bullet points, table, 500 words), and any relevant background information.

Will the AI understand this without guessing? AI-ready prompts include a role ("Act as a copywriter"), avoid ambiguous pronouns, and give constraints (do not, avoid, must).

Removes all double spaces, triple spaces, and leading/trailing spaces — leaving clean single-spaced text. Essential for fixing text pasted from PDFs or copied from websites.

Joins all lines into one continuous paragraph. Essential for text copied from PDFs that has forced line breaks every 80 characters — makes it ready to paste into any editor.

Deletes all blank lines, keeping only lines that contain content. Ideal for tightening pasted lists, code snippets, and data exports before processing.

Removes all repeated lines, keeping only the first occurrence of each unique line. Indispensable for cleaning email lists, keyword lists, SEO data, and database exports. The toast message shows how many duplicates were removed.

Highlights whole changed words. Cleaner, easier to scan — best for documents, emails, articles, and most content.

Highlights individual changed characters. Best for code, serial numbers, and data with small character-level changes.

Notes are saved to your browser's localStorage 600ms after you stop typing. The badge changes to "✓ Saved" to confirm. No button needed.

Selects all text in the notepad in one click — ready to copy or edit. Equivalent to Ctrl+A.

Copies everything in the notepad to your clipboard — no need to select text first.

Downloads your notes as a my-notes.txt file. Use this regularly to create a permanent backup outside your browser.

First word lowercase, each following word starts with a capital. The most common naming style in JavaScript, Java, Swift, and Kotlin for variables and functions.

Every word starts with a capital. Used for class names, React components, TypeScript types, and C# conventions.

All lowercase, words joined by underscores. Standard in Python, Ruby, SQL, Rust, and PHP for variables and database column names.

All uppercase, words joined by underscores. Used for constants, configuration keys, and environment variables across all programming languages.

All lowercase, words joined by hyphens. Standard for URL slugs, CSS class names, HTML attributes, and npm package names.