Validate your email content for accuracy, clarity, and compliance before hitting send.
Identify and correct errors to ensure professional communication.
Maintain a consistent and polished tone aligned with your brand.
Detect phrases that could trigger spam filters, improving deliverability.
Analyze emails instantly with no sign-up, and all processing is done locally in your browser for privacy.
The Email Content Checker Online Free tool empowers you to perfect your emails before sending. By analyzing email content for grammar, readability, tone, and AI-generated characteristics it helps you avoid costly mistakes and boost engagement. Ideal for marketing emails, business correspondence, and newsletters, this tool ensures your emails are professional, compliant, and effective. With AI-powered analysis, it flags potential issues like spam trigger words and overly formal phrases, enhancing your email's impact.
Check your email content for grammar, tone, and spam triggers instantly. No signup required—start validating your emails now!
Check My Email NowCopy and paste your email text into the provided textarea or upload a .txt, .eml, .md, or .html file using the file uploader. All analysis is performed locally in your browser, ensuring your data remains private.
Click the Analyze button to scan your email for grammar, tone, readability, spam trigger words, and AI-likeness (e.g., detecting overused phrases like "leverage" or "synergy"). The tool calculates an AI-likeness score (0 = human-like, 100 = AI-like) based on factors like adverb usage, passive voice, and sentence uniformity.
View the AI-likeness score on a meter, along with a breakdown of indicators (e.g., flagged phrases, adverb count) and suggestions for improvement. Check the Annotated Preview to see highlighted phrases that may sound AI-generated or overly formal. Toggle highlights on/off to compare.
Use the Humanize Content button to rephrase your text with simpler, more natural language (e.g., replacing "leverage" with "use"). Download a detailed report as a .txt file for reference by clicking Download Report. Run multiple checks for free to perfect your email.
💡 Tip: The tool processes everything locally, so your data never leaves your device. Run as many checks as needed to ensure your email is polished and effective.
Instantly catch errors to maintain professionalism.
Ensure your email is clear and easy to understand.
Align tone with your audience, avoiding overly formal or AI-like phrasing.
Identify phrases like "unprecedented" or "actionable insights" that may flag your email as spam.
Check compliance with marketing and privacy standards by avoiding problematic phrases.
Preview ensures your email is readable across devices.
Get a heuristic score to gauge how human-like or AI-generated your email appears.
Rephrase AI-like phrases into natural language with one click.
Save analysis results for reference or sharing.
Error-free, natural emails build trust with clients.
Clear, human-like content improves open and click-through rates.
Ensure tone and intent are clear, avoiding overly formal or robotic phrasing.
Reduce the risk of emails landing in spam by avoiding trigger words.
Align emails with your brand voice and compliance standards.
Ensure professional, trustworthy communication with clients.
Optimize emails for higher open rates and conversions.
Craft polished, error-free emails to stand out.
Communicate clearly and professionally with clients.
No sign-up or payment required.
Instant analysis with a sleek, user-friendly interface.
Tailored for email content validation, not just generic grammar checks.
Detects AI-like phrases and suggests natural alternatives.
All analysis happens in your browser, ensuring data privacy.