Biswajeet Das
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Writing

Short technical notes. Backend, distributed systems, and the parts most people skip.

  1. Jun 8, 2026 · 2 min

    I built the dev toolbox I kept wishing existed

    Why I built Hexbench: the developer tools I actually use (JSON, JWT, diff, regex, Base64, cron, and more) in one fast, private, no-install place on the web.

    • Developer Tools
    • Web
    • Side Project