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Acronym and Initialism Maker

Build ordered word initials with explicit stopwords, case options and a complete inclusion report.

Pasted text, One UTF-8 text file

initialism.txt, initialism-report.json

Browser only

Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.

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How to use this tool

  • Paste text or select one UTF-8 file. Enter optional complete stopword tokens, one per line.
  • Choose exact or lowercase stopword comparison, optional original first-word override, initial case and empty/dot separator, then select Make initialism.
  • Download initialism.txt and initialism-report.json for every original repeated token and inclusion decision.

Examples

portable network graphics with uppercase initials and no separator producesPNG.

Limitations

  • At most 200000 UTF-16 units, 800000 UTF-8 bytes, 50000 words/lines and 65536 units per line; at most 256 nonempty stopwords of 128 units each; 5 MiB combined output and 30 seconds. Raw stopword text is at most 200000 UTF-16 units; blank stopword records are ignored.
  • Uses the declared Unicode word grammar and the first codepoint of each included token; case expansions are explicit. No dictionary, semantic acronym expansion or language understanding.

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