# Free browser tools

Format, validate and convert files locally in the browser. Every tool runs client side: nothing is uploaded and no account is needed.

- [JSON Beautifier](https://droply.host/tools/json-beautifier): Free online JSON beautifier and pretty printer. Paste messy JSON and get clean, indented, readable output instantly, all in your browser, nothing uploaded.
- [JSON Minifier](https://droply.host/tools/json-minifier): Free online JSON minifier. Strip whitespace and line breaks to shrink JSON for faster APIs and smaller payloads. Runs in your browser, never uploaded.
- [JSON Validator](https://droply.host/tools/json-validator): Free online JSON validator and syntax checker. Find the exact line and reason your JSON is invalid, then fix it fast, all in your browser, never uploaded.
- [JSON to XML Converter](https://droply.host/tools/json-to-xml): Free online JSON to XML converter. Turn any JSON object or array into clean, well-formed XML instantly, processed in your browser and never uploaded.
- [XML to JSON Converter](https://droply.host/tools/xml-to-json): Free online XML to JSON converter. Parse any XML document into clean, structured JSON in one click, done entirely in your browser and never uploaded.
- [JSON to CSV Converter](https://droply.host/tools/json-to-csv): Free online JSON to CSV converter. Flatten a JSON array into a clean, spreadsheet-ready CSV for Excel or Google Sheets, in your browser, never uploaded.
- [HTML Formatter](https://droply.host/tools/html-formatter): Free online HTML formatter and beautifier. Paste messy or minified HTML and get clean, properly indented markup instantly, in your browser, never uploaded.
- [HTML Viewer](https://droply.host/tools/html-viewer): Free online HTML viewer. Paste HTML and see it rendered live, with the formatted source alongside. Runs in a safe browser sandbox, nothing is uploaded.
- [HTML Validator](https://droply.host/tools/html-validator): Free online HTML checker. Spot unclosed tags, broken nesting, and missing attributes with fast structural checks that run in your browser, never uploaded.
- [Test HTML](https://droply.host/tools/test-html): Free online HTML, CSS & JavaScript playground with a live preview. Write code in separate panes, see it run instantly, then publish it to a live page.
- [HTML to Markdown](https://droply.host/tools/html-to-markdown): Free online HTML to Markdown converter. Paste HTML or drop a file and get clean, GitHub-flavored Markdown instantly, in your browser, nothing uploaded.
- [Markdown to HTML](https://droply.host/tools/markdown-to-html): Free online Markdown to HTML converter with live preview. Turn GitHub-flavored Markdown into clean, safe HTML that runs in your browser, never uploaded.
- [PDF Viewer](https://droply.host/tools/pdf-viewer): Free online PDF viewer. Open and read any PDF in your browser, no upload, no sign-up. Pages render locally and privately, and hosting it is one click.
- [Meta Tag Generator](https://droply.host/tools/meta-tag-generator): Free meta tag generator. Fill in a title, description and image, then get the title, description, Open Graph and Twitter tags ready to paste into a page.
- [Open Graph Checker](https://droply.host/tools/open-graph-checker): Free Open Graph checker. Enter a URL and see the title, description, image and card tags a crawler actually reads, plus what is missing and why it matters.
- [Favicon Generator](https://droply.host/tools/favicon-generator): Free favicon generator. Drop an image and get every size a browser and a phone asks for, as PNGs plus the link tags to paste, generated in your browser.
- [Robots.txt Generator](https://droply.host/tools/robots-txt-generator): Free robots.txt generator. Choose what crawlers may fetch, add disallow rules and a sitemap line, and get a valid robots.txt you can download or publish.
- [Sitemap Generator](https://droply.host/tools/sitemap-generator): Free XML sitemap generator. Paste a list of URLs and get a valid sitemap.xml with optional lastmod dates, ready to download, publish or cite in robots.txt.
- [Redirect Generator](https://droply.host/tools/redirect-generator): Free redirect generator. Paste your old and new paths and get the rules in _redirects, .htaccess and Nginx syntax, with the status code explained for each.
- [Webpage to PDF](https://droply.host/tools/webpage-to-pdf): How to save any webpage as a PDF using the print dialog already in your browser, what breaks in the export, and how to put the result on a shareable link.