How it works
Paste text and tap a case style (UPPER, lower, Title, Sentence, camelCase). Conversion runs locally with one click.
UPPERCASE, lowercase, Title Case, Sentence case, and camelCase.
Paste text and tap a case style (UPPER, lower, Title, Sentence, camelCase). Conversion runs locally with one click.
Conversions run in your tab with JavaScript — no desktop app required.
Files stay on your device during processing. We do not receive your uploads.
Heavy codecs and AI models run locally via Web Workers and WASM (FFmpeg.wasm, Transformers.js).
Paste text and tap a case style (UPPER, lower, Title, Sentence, camelCase). Conversion runs locally with one click.
Does not detect proper nouns or locale-specific casing rules. Emoji and combining characters may behave unexpectedly. Processing is 100% offline in your browser — files never leave your device.
Yes. This tool is free convert online with no signup. Processing stays in your browser — no uploads.
You control quality settings. Choose higher quality for no quality loss when converting online.
Every conversion runs inside your browser tab using JavaScript and Web Workers. There is no background server queue and no account is required for core tools.
Your files are never uploaded to FreeConvertKit for processing. Originals, previews, and exports stay on your device unless you choose to download or share them yourself.
When codecs or AI models are needed, WebAssembly modules such as FFmpeg.wasm and Transformers.js execute locally — giving you desktop-class power with absolute file privacy.
Encode UTF-8 text to Base64 or decode strings locally.
Convert Markdown to HTML with raw source and live preview.
Strip line breaks, extra spaces, and empty lines from pasted text.
Count words, characters, paragraphs, and reading time in real time.
Encode or decode URL strings safely in the browser.