Free tools
Free email tools
A growing collection of free tools to check, generate and clean up everything around your emails. No signup, no install, everything runs in your browser.
AI tools
AI Email Writer
Describe what you need to say and get a ready-to-send email in seconds.
Open toolAI Email Response
Paste an email you received and get a polished reply drafted for you.
Open toolSubject Line Generator
Get 10 fresh subject line ideas for any email, tuned to your tone.
Open toolCold Email AI
Generate a short cold email with a clear value prop and one call to action.
Open toolAI Grammar Checker
Fix spelling, grammar and punctuation without changing your meaning.
Open toolAI Letter Writer
Draft cover letters, resignations, complaints and more in the right format.
Open toolAI Text Summarizer
Turn long text into a tight paragraph, bullet points or a one-line TLDR.
Open toolCheck and test
Email Checker
Verify any email address: syntax, common typos, disposable domains and MX records.
Open toolEmail Spam Checker
Scan your subject and body for spam trigger words before you hit send.
Open toolSubject Line Tester
Score your subject line on length, clarity and spam risk in seconds.
Open toolSPF Record Checker
Look up and validate your domain's SPF record to protect deliverability.
Open toolGmail Alias Checker
Check any Gmail alias and find the inbox it actually delivers to.
Open toolEmail Size Calculator
Estimate your email's size and stay under Gmail's 102 KB clipping limit.
Open toolGenerate
Email Signature Generator
Create a clean, professional email signature and copy it into Gmail.
Open toolTable Generator for Gmail
Generate a clean HTML table and paste it straight into your email draft.
Open toolMailto Link Generator
Build encoded mailto links with subject, body, CC and BCC prefilled.
Open toolEmail Permutator
Guess anyone's work email from their name and company domain.
Open toolGmail Address Generator
Create dot and plus variants of your Gmail address that share one inbox.
Open toolOutlook Alias Generator
Generate plus aliases for your Outlook or Hotmail address.
Open toolClean up and optimize
Duplicate Email Remover
Clean your email list: dedupe, trim and drop invalid addresses.
Open toolEmail Extractor
Pull every email address out of any pasted text in one click.
Open toolHTML to Text Converter
Turn HTML into clean plain text that reads well in any client.
Open toolBest Time to Send Email
Find the best day and time to send based on audience and campaign type.
Open toolReady to send personalized emails at scale?
Mail Merge for Gmail sends personalized campaigns right from Google Sheets, with tracking, scheduling and follow-ups.