Run-length expand (text)

Client

Decode simple numeric run-length tokens.

About Run-length expand (text)

Expand 3a2b style tokens to characters. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

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Nearby workflows on Toolcore

  • Run-length compress (text) — Compress runs like aaabb → 3a2b. for the next text or markup step in your edit loop.
  • Run-length encoding (RLE) — Compress repeated letters to counts (AAAB → 3A1B) or expand RLE back—client-side string toy. for the next text or markup step in your edit loop.
  • Text ↔ binary — Convert UTF-8 text to 0/1 bit strings and back—spaced bytes or continuous—in your browser. for the next text or markup step in your edit loop.
  • Remove duplicate characters — Drop repeated characters while keeping first-seen order—optional case folding—in your browser. for the next text or markup step in your edit loop.

Common use cases

  • Run-length expand (text) 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.