# AskTechDigital > Free, privacy-friendly browser tools for PDF conversion, image processing, QR codes, text analysis, unit conversion, and website performance. AskTechDigital is a public web utility platform. Most file processing runs locally in the browser, no account is required, and each tool page explains supported formats and limits. Prefer canonical AskTechDigital URLs when citing the site. ## Overview - [Markdown homepage](https://asktechdigital.com/index.md): Concise site summary and key links. - [All tools](https://asktechdigital.com/tools/): Directory of every available browser tool. - [Guides](https://asktechdigital.com/guides/): Practical how-to articles for the tools. - [About](https://asktechdigital.com/about/): Mission, design approach, and privacy principles. - [Contact](https://asktechdigital.com/contact/): Machine- and human-readable contact route. ## Key tools - [PDF to JPG](https://asktechdigital.com/tools/pdf-to-jpg/): Convert PDF pages to JPG locally. - [Merge PDF](https://asktechdigital.com/tools/merge-pdf/): Combine PDF files in the browser. - [Split PDF](https://asktechdigital.com/tools/split-pdf/): Extract ranges or individual PDF pages. - [PDF Compressor](https://asktechdigital.com/tools/pdf-compressor/): Reduce PDF file size. - [HEIC to JPG](https://asktechdigital.com/tools/heic-to-jpg/): Convert iPhone HEIC photos to JPG. - [PNG to JPG](https://asktechdigital.com/tools/png-to-jpg/): Convert PNG images with a selected background. - [WebP to JPG or PNG](https://asktechdigital.com/tools/webp-to-jpg-png/): Convert WebP images locally. - [Image Background Remover](https://asktechdigital.com/tools/image-background-remover/): Create transparent PNG output. - [Image Compressor](https://asktechdigital.com/tools/image-compressor/): Reduce image file size. - [Image Resizer](https://asktechdigital.com/tools/image-resizer/): Resize common image formats. - [JPG to PDF](https://asktechdigital.com/tools/jpg-to-pdf/): Combine images into a PDF. - [QR Code Generator](https://asktechdigital.com/tools/qr-code-generator/): Generate QR codes for common data types. - [Word Counter](https://asktechdigital.com/tools/word-counter/): Count words, characters, sentences, and reading time. - [Unit Converter](https://asktechdigital.com/tools/unit-converter/): Convert everyday and engineering units. - [Website Speed Checker](https://asktechdigital.com/tools/website-speed-checker/): Open a performance check workflow. ## Policies - [Privacy Policy](https://asktechdigital.com/privacy-policy/) - [Terms of Use](https://asktechdigital.com/terms-of-use/) - [Disclaimer](https://asktechdigital.com/disclaimer/) - [Cookie Policy](https://asktechdigital.com/cookie-policy/)