Instantly identify words that trigger spam filters. Edit your email content and watch your spam score improve in real-time.
Detects invisible Unicode characters that AI systems insert. These can't be typed on keyboards - 100% certainty when found.
It looks normal but has hidden AI markers (AI generated). Look at the AI Text Detection block - it shows contamination!
Watch the AI Detection turn green - the invisible markers are removed!
Copy the cleaned text → Refresh page (see contaminated again) → Paste your clean text → Watch it stay green!
Results are shown in real-time, edit instantly to create ideal content
Text appears human-written
No invisible Unicode characters or AI markers detected in your text.
Your text is clean and ready to use. No special action needed.
It includes this spam checker + visual editor, professional templates, and HTML export
Everything you have here + visual editor with professional templates, and HTML export.
Calculate the revenue impact of improved deliverability and optimization.
✓ Same spam checking you're using now•✓ Visual template editor•✓ HTML + JSON export
Optimized emails see 30-40% higher open rates by avoiding spam filters. Even small improvements can significantly boost your email marketing ROI.
A single spam trigger word can reduce your email deliverability by up to 20%. Our tool helps you identify and replace these problematic phrases.
Many spam filters now detect AI-generated text through invisible Unicode markers. Our new AI Text Detection feature identifies these hidden characters with 100% accuracy.
Color-coded by category to help you understand what type of content is problematic
Word count, spam density, question count, and other key metrics to help you optimize your content
See your score improve in real-time as you edit, making optimization quick and painless
Users report 30-40% higher open rates after optimizing with our tool - backed by data
Learn more about how our Spam Words Checker helps improve your email deliverability
Still have questions? We're here to help.
Contact SupportUse our Spam Words Checker tool to optimize your emails, improve open rates, and boost your email marketing ROI.