Martech Zone Converters

A collection of small web-based converters provided free to marketers to help them with their day-to-day work.

  • Convert Unix Timestamp

    The Pulse of the Internet: Understanding the Unix Timestamp

    If you’ve ever looked behind the curtain at the date of a website’s database or peeked at a server log, you’ve likely seen a mysterious, long string of digits like 1710000000. To a human, it looks like a random serial…

  • HTML to Markdown (MD) Converter

    HTML to Markdown Converter: Why Minimalist Syntax Provides Better Contextual Clarity

    The modern internet has a weight problem. If you’ve ever tried to copy a simple article from a webpage and paste it into a document, you’ve seen the invisible baggage it carries. Underneath that clean-looking paragraph lies a chaotic infrastructure…

  • HEX, HSL, HSV, RGB Color Converter (with Alpha Support)

    HEX, HSL, HSV, RGB Color Converter (Alpha Support)

    Working with color across different platforms means constantly translating between formats. A designer hands you an HSL value, your CSS needs HEX, your JavaScript animation library expects RGB, and your image editor thinks in HSV. Rather than juggling browser tabs…

  • Convert to CSV to JSON or JSON to CSV

    Convert CSV to JSON or JSON to CSV

    Working with data isn’t always as seamless as we’d like. Some platforms still rely on comma-separated values (CSV) files, which are human-readable and straightforward but not always flexible. Others are increasingly adopting JavaScript Object Notation (JSON), a lighter, structured format…

  • Convert hh:mm:ss to seconds or vice versa

    Convert Time (hh:mm:ss) to Seconds or Vice Versa

    We recently produced a video for our investors in Q&A format. Interestingly, my video editing software provided the format in hh:mm:ss format, but when I went to build the direct YouTube URLs to advance them to the section in the…

  • Convert CSV to Row or a Column to CSV

    Convert Rows To CSV or CSV to Rows

    It never fails that every time I'm working to move data from one system to another using a text area field, my data is formatted incorrectly. Some systems want all of the values in a comma-separated value (CSV) like this:…