📝 Text
🔤 Formatting
- ✅Spell CheckerInstantly check common spelling mistakes in Korean, English, Japanese, and Spanish text. Runs entirely in your browser — nothing is uploaded.
- 🧹Duplicate Line RemoverInstantly remove duplicate lines from any text. Supports case-sensitive matching, whitespace trimming, and keep-first/keep-last options. Runs entirely in your browser — your data never leaves your device.
- 🔤Text SorterInstantly sort lines of text alphabetically in any language. Supports ascending/descending order, case-insensitive sort, and duplicate removal. Your data never leaves your browser.
- 📝Markdown PreviewType Markdown and see the live HTML preview instantly. Supports GFM extensions like tables, code blocks, and task lists, all processed in your browser with no upload.
- 🔀Text DiffPaste two texts to instantly see added, removed, and changed lines side by side. 100% browser-based, no installation needed.
- 🔗URL Encoder/DecoderEncode or decode URLs and query strings with percent-encoding instantly. Runs entirely in your browser — nothing is ever uploaded to a server.
- 🔄Markdown ↔ HTML ConverterInstantly convert Markdown to HTML and HTML back to Markdown. 100% browser-based processing with no server upload, plus a live preview to check your results.
✨ Generation
- ☁️Word Cloud GeneratorPaste any text and instantly create a word cloud sized by word frequency. Processed entirely in your browser — nothing is uploaded.
- 📝Lorem Ipsum GeneratorInstantly generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Free tool for mockups, wireframes, and web design.
- 🔐HMAC GeneratorCompute HMAC-SHA1, SHA-256, SHA-384, or SHA-512 from a message and secret key instantly. Runs entirely in your browser, nothing is uploaded.
- 🔐Hash GeneratorInstantly convert text into MD5, SHA-1, SHA-256, and SHA-512 hashes. Everything runs in your browser — nothing is sent to a server.