DevToolsHub

Format & Convert Developer Tools Online

Clean up payloads, migrate data between formats, and preview markup before it ships. Every tool runs in your browser with shareable URLs.

Developers spend a surprising amount of time reformatting JSON from logs, comparing two config dumps, or converting a CSV export into JSON for a script. These pages are built for that rhythm: paste, validate, copy, move on.

When you share a link from a formatter or converter, teammates see the same input you saw—useful in Slack threads and pull request comments. Redact secrets before sharing URLs that encode your payload.

For longer workflows—CI validation, YAML in Kubernetes, or Markdown in docs—pair these tools with our guides hub for team conventions and security notes.

All format & convert tools

  • JSON Formatter

    Validate, prettify, minify, and view JSON in tree format.

  • XML Formatter

    Validate, prettify, and minify XML. Share via URL. No signup required.

  • YAML / JSON

    Convert YAML to JSON or JSON to YAML. Copy, download, share via URL.

  • CSV / JSON

    Convert CSV to JSON or JSON to CSV. Delimiters, headers, shareable URL, download.

  • Markdown Preview

    Live Markdown editor with rendered and HTML view. Copy HTML, share via URL. GFM supported.

  • HTML Entities

    Escape and unescape HTML entities; optional full numeric encoding. Shareable URLs.

  • Text Diff

    Compare two texts. Unified or side-by-side diff. Highlights and shareable URL.

  • Lorem Ipsum

    Paragraphs, words, sentences, or lists. Custom length, copy, download .txt, share URL.

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