Writing professionally in a second language means every email costs double attention: what to say, and whether the English is right. OpenCues attacks that inside the field you're typing in: grammar fixed as you go, translation one keystroke away, tone lifted on demand, and your standard details stored once instead of re-composed nervously each time.
Grammar that fixes, not flags
Continuous grammar correction rewrites clear errors as you pause, landing each fix dimmed in your text: articles, agreement, prepositions, the classic second-language friction points. Ignoring a fix accepts it; cycling restores your original, so you stay in charge. The spelling cue adds homophone-aware corrections (their going to the store offers they're first), and a one-shot fix the grammar _ cleans a whole paragraph on demand. Because fixes are visible substitutions rather than red squiggles to decode, you also see the correct form each time, which quietly compounds into learning.
Translation in three shapes
- Whole draft: write in your first language, then
translate to english _; the text is rewritten in place, revertable. - One word or phrase:
the word for love in japanese _answers via the fluid blank, mid-sentence. - Template fill:
hello world in german is _keeps your sentence and fills only the slot.
Tone, the hardest part
Register is where second-language writing gets judged. make this more formal _ lifts an email in one keystroke, and the shipped more-formal sentence cue offers formal alternatives per sentence (expanding contractions, replacing colloquialisms) that you swap in with two keys, only when you choose. For continuous help, agentically fix grammar and keep the tone professional _ arms a background task in your own words.
Your details, composed once
Identity context stores your name, email, sign-off, and standard phrases in one local file, so draft an email to my landlord _ comes out signed and correctly phrased without re-writing the parts you find hardest. In the default safe mode those personal values never reach the model provider. One honesty note: rewrite quality in and out of English follows the model you configure, and the project's own multilingual bench numbers vary by model, so if your language pair matters daily, test a provider or two; switching is one line.
Related: Translate inline · Fix grammar as you type · Supported languages · GitHub repo