Free tool

Simplified Technical English checker

Paste your text. The checker marks each sentence that breaks a rule of ASD-STE100. Then you can rewrite the text into Simplified Technical English with AI. The checker is free and needs no account.

0 Checked as you type. No text is stored.
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Sentences that pass

-

Average sentence

-

  • Too long0
  • Passive voice0
  • Paragraph too long0
  • -ing forms (warning)0

Red marks an error. Amber marks a warning. Select a marked sentence to see the reason.

Your text, sentence by sentence

What this checker finds

  • An instruction with more than 20 words.
  • A description with more than 25 words.
  • A paragraph with more than 6 sentences.
  • The passive voice, such as "is opened" or "was given".
  • The -ing form of a verb, as a warning only.

What it cannot find

  • Words that are not in the STE dictionary. The dictionary has about 900 approved words, and each word has one meaning. Use the official dictionary from ASD for this check.
  • Noun clusters with more than three words.
  • Two instructions in one sentence.
  • Technical names that are correct for your company.

The checker finds an instruction from its first word. If it does not know the verb, it uses the 25-word limit.

Use it from code

The check is a free API call. It needs no key.

curl https://dreamprompting.com/api/v1/ste/check \
  -H "Content-Type: application/json" \
  -d '{"text": "The valve is opened by the operator."}'

ASD-STE100 and Simplified Technical English are trademarks of ASD, the AeroSpace, Security and Defence Industries Association of Europe. This tool is not made or approved by ASD, and it does not certify that text conforms to the standard. You can get the full standard free from ASD.