13 Private Tools · 100% On-Device

Text Tools

Transform and analyze any text. Every tool runs completely in your browser — zero tracking, zero server uploads, and installable offline as a PWA.

Count words, characters, sentences and reading time

Count chars with Twitter, SMS and platform limits

Convert between camelCase, snake_case, UPPER and more

Remove duplicate lines from any list instantly

Sort lines alphabetically, numerically or by length

Humanize AI text into natural writing — private, on-device

Rephrase sentences and paragraphs in multiple tones

Ask DevToolkit Hub docs with local or Hugging Face RAG

Chat with your notes using a RAG pipeline

Summarize long text with Hugging Face BART

Sentiment and zero-shot themes with HF models

Compare meaning with MiniLM embeddings

Convert titles, articles, and product names into clean, SEO-friendly URL slugs