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Developer Tools Index

  • JSON Beautifier: Instantly beautify and format your raw JSON with syntax highlighting and structure.
  • Directory Tree Generator: Convert your folder structure into a visual tree using a simple input format.
  • XML Beautifier: Format, indent, and validate your raw XML for better readability and debugging.
  • Code Preview: Preview and format code snippets in multiple languages with syntax highlighting.
  • VAST Inspector: Analyze and debug VAST ad tags, inspect XML, track playback and IMA events.
  • User Agent: Parse and inspect browser User-Agent strings for OS, browser, and device info.
  • JSON Diff: Compare two JSON objects side-by-side and highlight key differences clearly.
  • MP4 to HLS Converter: Convert MP4 videos into streamable HLS segments with .m3u8 playlists.

AdTechToolkit

AdTechToolkit is a free suite of modern developer tools for ad engineers and operations teams. From VAST debugging to JSON formatting, our tools are designed for speed, simplicity, and productivity. All tools run in-browser with zero tracking or clutter β€” just what you need to work faster in ad tech.

All Developer Tools

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