Tools / Compare

Env/Config Diff

.env and JSON diff, secret masking, lint, merge, .env.example. Free, runs entirely in your browser—nothing is uploaded.

What you can do

  • .env and JSON diff
  • Secret masking
  • Lint
  • Merge
  • .env.example

Private by design

Env/Config Diff runs entirely in your browser. Your input is never uploaded, there is no sign-up, and the tool keeps working offline after the first visit.

Related tools

  • Diff & Compare — Line/word compare, list diff, unified patch, files.
  • YAML ↔ JSON — Convert, validate, merge, sort keys, multi-doc, jump to errors.

More Compare tools