2×2 matrix inverse

Client

Invert [[a,b],[c,d]] when determinant is non-zero—linear algebra locally.

[
  [
    0.6,
    -0.7
  ],
  [
    -0.2,
    0.4
  ]
]

Nearby workflows on Toolcore

  • 2×2 matrix determinant — Compute det [[a,b],[c,d]] from four numbers—linear algebra helper in your browser. when units or numeric output should be checked on a related calculator.
  • 2×2 matrix multiply — Multiply two 2×2 matrices given as JSON—browser linear algebra. when units or numeric output should be checked on a related calculator.
  • JSON formatter — JSON format online: pretty-print, minify, validate, escape, download . when units or numeric output should be checked on a related calculator.
  • Encoding tools — Hub index: Base64 & URL, Base64url, Base32, Crockford, LEB128, ASCII85, Z85, Base58, base-36, bencode, Morse, quoted-printable, URI, Puny… when units or numeric output should be checked on a related calculator.

About this tool

Paste a 2×2 JSON array—handy for graphics and intro linear algebra exercises.

Common use cases

  • 2×2 matrix inverse for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.