Outparse is a free and open-source proofreading tool that helps you write better. It checks spelling (including regional variations), grammar, punctuation, and tone — so your writing is not just correct, but appropriate for the context.
📍 Made in Nigeria 🇳🇬
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✅ Spellcheck
Detects spelling errors, including regional differences (e.g., color vs colour). -
✍️ Tone-aware corrections
Adjusts writing tone — e.g., replaces contractions in formal writing. -
📌 Punctuation checks
Fixes missing or misplaced punctuation (commas, apostrophes, etc.). -
🔤 Grammar analysis
Highlights subject-verb agreement issues, tense errors, and sentence structure problems. -
📚 Word database
Linked to a growing dictionary of 37,000+ English words:
👉 github.com/outparse/english-dictionary-dataset
- No account required — your work stays on your device.
- Simple interface for quick checks.
- Fast and lightweight, optimized for mobile and desktop.
- 🔐 User accounts – Access your writing history across devices and browsers.
- 📈 Smarter proofreading – More accurate detection and suggestions.
- 🤖 AI/NLP rewriting – Suggest clearer, more intuitive sentence rewrites.
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💻 Standalone proofreading & editing software
Use it as a dedicated writing assistant on your phone or desktop. -
🌐 Browser extension
Get real-time suggestions while typing in web forms, emails, etc. -
⚙️ API
Integrate Outparse into your own tools or platforms.
We welcome contributions of all kinds — code, design, ideas, feedback.
📧 Contact us: outparse@gmail.com
Created by:
Gbemisola Oyeniyi
🌐 Twitter • LinkedIn
Licensed under the GNU Affero General Public License v3.0
See LICENSE for details.
If you find Outparse useful, please star the repo and share it with others! Every bit of support helps us build a better writing tool for everyone.