// free tools
45 free email tools for every workflow
Extract emails from files, check an address, test deliverability, write cold emails with AI or build a signature. Free tools for sales, marketing, recruiting and development teams.
// 01 · 6 tools
Email verification and testing
- Email CheckerPaste an email address and get instant syntax, domain, and disposable checks.
john@tempmail.xyz → Disposable domain detected - Spam CheckerPaste your email body text and receive a detailed spam analysis with actionable suggestions.
"FREE OFFER!!!" → Spam score: 8.5/10 (High risk) - Blacklist CheckerEnter a domain or IP address to scan against 12+ popular blacklist databases instantly.
mail.example.com → Listed on 0/12 blacklists - Email Reputation CheckerEnter an email or domain to get a comprehensive reputation score with breakdown.
acme.com → Reputation: 92/100 (Excellent) - SMTP TesterEnter SMTP host and port to test connectivity, TLS handshake, and authentication.
smtp.gmail.com:587 → TLS: Supported, Auth: Required - SPF Record CheckerEnter a domain to look up, parse, and validate its SPF DNS record.
tomba.io → SPF: v=spf1 include:_spf.google.com ~all ✓
// 02 · 8 tools
Email utilities
- Email ExtractorPaste any text containing emails and click Extract. Copy results or download as a list.
Pasted 500 lines → Found 23 unique emails - Email Extractor from FileDrag a TXT, CSV, or PDF file into the upload zone. Download results as TXT or CSV.
contacts.pdf (2.3 MB) → 156 unique emails extracted - Email PermutatorEnter a first name, last name, and company domain to generate all likely email formats.
John Smith + acme.com → 20+ address patterns - Remove DuplicatesPaste your email list (one per line) and get a clean, deduplicated list instantly.
1,200 emails → 980 unique (220 duplicates removed) - Mailto Link GeneratorFill in email, subject, body, CC, and BCC fields to generate a ready-to-use mailto link.
mailto:hello@acme.com?subject=Hello&cc=team@acme.com - Email Size CalculatorPaste your email HTML or text and add attachment sizes to calculate the total.
Body: 45 KB + Attachment: 3.2 MB = Total: 3.24 MB ✓ - HTML to Text ConverterPaste your HTML email code and get a clean plain-text version ready to use.
<h1>Hello</h1><p>World</p> → HELLO\nWorld - Email Warmup CalculatorEnter your target daily send volume and get a personalized warmup schedule.
Target: 500/day → 21-day warmup plan generated
// 03 · 6 tools
AI writing tools
- Cold Email AI WriterSelect a framework, enter your product/offer details, and generate personalized cold emails.
Framework: AIDA → 3 email variations generated - AI Email ResponsePaste the email you received, choose a tone, and get a polished reply instantly.
Tone: Professional → Reply generated in 3 seconds - AI Grammar CheckerPaste your email text and get highlighted corrections with one-click fixes.
"Their going to the meeting" → "They're going..." - AI Letter WriterChoose a letter type, fill in your details, and generate a polished letter.
Type: Cover Letter → Personalized letter in 5 seconds - Subject Line GeneratorEnter your email topic or goal and get 10 ranked subject line suggestions.
Topic: Product launch → 10 subject lines ranked by score - Subject Line TesterType your subject line and get a detailed score with specific improvement suggestions.
"Exclusive Deal Inside!" → Score: 72/100, 2 warnings
// 04 · 4 tools
Email templates and design
- Email Templates GalleryBrowse by category, preview templates, and copy the one that fits your needs.
Category: Sales → 12 templates available - HTML Email TemplatesChoose a template, customize colors and text, and export clean HTML code.
Newsletter template → Responsive HTML code exported - No-Code Email EditorUse the visual editor to build your email layout, then export the HTML code.
Drag header + text + CTA → Export as HTML - Email Signature GeneratorFill in your details, choose a style, and copy the HTML signature to your email client.
Name + Title + Photo + Socials → Signature HTML ready
// 05 · 4 tools
Email generators
- Email GeneratorEnter a first name, last name, and domain to see the most likely email addresses.
Jane Doe + acme.com → jane.doe@acme.com, jdoe@acme.com... - Gmail GeneratorEnter a Gmail address to see all dot-trick variations that deliver the same inbox.
johndoe@gmail.com → j.ohndoe, jo.hndoe, joh.ndoe... - Gmail Alias CheckerEnter a Gmail address to explore dot and plus alias variations.
john+newsletter@gmail.com → Same inbox as john@gmail.com - Outlook GeneratorEnter a name to generate possible Microsoft email address combinations.
Jane Doe → jane.doe@outlook.com, janedoe@hotmail.com...
// 06 · 3 tools
LinkedIn tools
- LinkedIn Post FormatterType your post text, apply formatting with toolbar buttons, and copy the Unicode result.
Regular text → 𝗕𝗼𝗹𝗱 𝘵𝘦𝘹𝘵 with formatting - LinkedIn Headline GeneratorEnter your job title and key skills to get optimized headline suggestions.
"Marketing Manager" → 8 headline variations generated - LinkedIn Summary GeneratorEnter your role, experience, and skills, choose a tone, and generate your About section.
Tone: Professional → 300-word About section generated
// 07 · 11 tools
Company and domain lookup
- Company to FacebookEnter a company name or domain to find their Facebook page.
acme.com → facebook.com/AcmeCorp - Company to LinkedInEnter a company name or domain to find their LinkedIn company page.
acme.com → linkedin.com/company/acme-corp - Company to Twitter/XEnter a company name or domain to find their Twitter/X profile.
acme.com → x.com/AcmeCorp - Company to PhoneEnter a company name or domain to look up their public phone numbers.
Acme Corp → +1 (555) 123-4567 (HQ) - Company to WebsiteEnter a company name to discover their most likely website domains.
Acme Corp → acmecorp.com ✓, acme.io ✓ - Website to CompanyPaste a URL or domain and get the formatted company name.
my-awesome-startup.io → My Awesome Startup - Domain to Social ProfilesEnter any domain to discover all linked social media profiles.
acme.com → 6 social profiles found - Website Tech CheckerEnter a domain to detect the technology stack and get analysis links.
acme.com → React, AWS, Google Analytics, Stripe... - Email Pattern FinderEnter a name and domain to see the company email pattern and generate addresses.
Acme Corp → first.last@acme.com (most common) - Company to LogoEnter a domain or company name to find and download their logo.
acme.com → 512x512 PNG logo downloaded - Bulk Logo FinderPaste a list of domains (one per line) to fetch all company logos at once.
25 domains pasted → 23 logos found and downloaded
// 08 · 3 tools
Status and guides
- Is Gmail Down?Visit this page anytime to check current Gmail service status and outage history.
Gmail → the official status pages and what to check - Is Outlook Down?Visit this page to check Outlook service health and recent incident reports.
Outlook → the official status pages and what to check - Gmail Export GuideFollow the visual step-by-step guide to export your Gmail data safely.
Step 1: Google Takeout → Step 2: Select Gmail → Step 3: Export
// at scale
Need it for thousands of rows? Use the API
GET
/email-verifierWhether an address is deliverable: syntax, MX, SMTP, catch-all and greylisting checks1 verification creditGET/email-finderA person's work email from their name and company domain1 search creditGET/companies/findA company profile from its domain: industry codes, size, location, socials1 search creditGET/technologyThe technologies a website runs, by categoryFreeYes, all 45+ tools on this page are 100% free with no signup required. Most tools run entirely in your browser with no usage limits. A few AI-powered tools have daily usage quotas that reset every 24 hours.
No. Every free tool works instantly without creating an account. If you want to unlock higher limits, bulk processing, API access, and CRM integrations, you can create a free Tomba account with 25 free search credits every 30 days included.
Absolutely. All free tools process your data entirely in your browser using client-side JavaScript. No text, files, or email addresses are sent to our servers. Your data never leaves your device: complete privacy by design.
Free tools perform client-side operations like text extraction, email formatting, content generation, and validation. Tomba's paid products: Email Finder, Domain Search, Email Verifier, and more: use server-side databases with 450M+ verified contacts and real-time API lookups for deep professional email discovery.
Yes. Results from all free tools can be used for any purpose, including commercial and business use. There are no restrictions on how you use the output.
Most tools have no limits since they run entirely in your browser. AI-powered tools like Cold Email Writer, AI Grammar Checker, and Subject Line Generator have daily quotas that reset every 24 hours. You can increase these limits with a free Tomba account.
The free tools are browser-only utilities. For programmatic access, Tomba offers powerful REST APIs for Email Finder, Email Verifier, Domain Search, Phone Finder, and more. Visit our API documentation for details.
All modern browsers are fully supported: Chrome, Firefox, Safari, Edge, and Opera. Mobile browsers on iOS and Android also work perfectly. We recommend using the latest version of your browser for the best experience.