Free Tools

45+ Free Email Tools for Every Workflow

Powerful, client-side email tools built for sales teams, marketers, developers, and recruiters. Extract emails from files, verify addresses, write cold emails with AI, check deliverability, generate signatures, and much more all free, no signup required.
How It Works

Three Simple Steps to Get Started

Every tool is free, instant, and runs directly in your browser. No signup, no installation, no hassle.

1

Choose a Tool

Browse 45+ free tools organized by category email verification, AI writing, templates, company lookup, LinkedIn utilities, and more. Every tool is free with no signup or credit card required.

2

Use It Instantly

Paste text, upload a file, enter a domain, or type a prompt. Every tool runs directly in your browser with results delivered in seconds. Your data never leaves your device.

3

Export or Upgrade

Copy results to clipboard, download as TXT or CSV, or unlock advanced features like bulk processing, API access, and CRM integrations with a free Tomba account.

Email Verification & Testing

Email Checker

Paste an email address and get instant syntax, domain, and disposable checks.

Validate email syntax, detect disposable domains, and catch common typos before you send. Protects your sender reputation and reduces bounce rates.

Example

john@tempmail.xyz → Disposable domain detected

Spam Checker

Paste your email body text and receive a detailed spam analysis with actionable suggestions.

Analyze your email content for spam triggers and get a deliverability score. Identifies risky words, broken links, and formatting issues.

Example

"FREE OFFER!!!" → Spam score: 8.5/10 (High risk)

Blacklist Checker

Enter a domain or IP address to scan against 12+ popular blacklist databases instantly.

Check if a domain or IP is listed on major email blacklists like Spamhaus, Barracuda, and SORBS. Essential for diagnosing deliverability problems.

Example

mail.example.com → Listed on 0/12 blacklists

Email Reputation Checker

Enter an email or domain to get a comprehensive reputation score with breakdown.

Score the reputation of any email address or domain based on sending history, blacklists, and authentication records.

Example

acme.com → Reputation: 92/100 (Excellent)

SMTP Tester

Enter SMTP host and port to test connectivity, TLS handshake, and authentication.

Test SMTP server configuration and email deliverability. Verify TLS support, authentication, and connection settings for any mail server.

Example

smtp.gmail.com:587 → TLS: Supported, Auth: Required

SPF Record Checker

Enter a domain to lookup, parse, and validate its SPF DNS record.

Validate SPF records and check DNS configuration to ensure your emails pass authentication. Diagnose misconfigurations before they impact deliverability.

Example

tomba.io → SPF: v=spf1 include:_spf.google.com ~all ✓

Email Utilities

Email Extractor

Paste any text containing emails and click Extract. Copy results or download as a list.

Extract all email addresses from any text, HTML, or document. Paste content from websites, emails, or source code and get a clean deduplicated list.

Example

Pasted 500 lines → Found 23 unique emails

Email Extractor from File

Drag a TXT, CSV, or PDF file into the upload zone. Download results as TXT or CSV.

Upload TXT, CSV, or PDF files and extract all email addresses automatically. Drag and drop your file for instant results with download options.

Example

contacts.pdf (2.3 MB) → 156 unique emails extracted

Email Permutator

Enter a first name, last name, and company domain to generate all likely email formats.

Generate all possible email combinations from a name and domain. Covers 50+ patterns including first.last, f.last, first_last, and more.

Example

John Smith + acme.com → 48 permutations generated

Remove Duplicates

Paste your email list (one per line) and get a clean, deduplicated list instantly.

Clean your email list by removing duplicate addresses instantly. Handles case variations and whitespace for accurate deduplication.

Example

1,200 emails → 980 unique (220 duplicates removed)

Mailto Link Generator

Fill in email, subject, body, CC, and BCC fields to generate a ready-to-use mailto link.

Build mailto: links with subject, body, CC, and BCC fields. Generate HTML and plain text versions for websites and documents.

Example

mailto:hello@acme.com?subject=Hello&cc=team@acme.com

Email Size Calculator

Paste your email HTML or text and add attachment sizes to calculate the total.

Calculate email size including attachments and check provider limits. Know if your email will be clipped by Gmail (102 KB) or blocked by servers.

Example

Body: 45 KB + Attachment: 3.2 MB = Total: 3.24 MB ✓

HTML to Text Converter

Paste your HTML email code and get a clean plain-text version ready to use.

Convert HTML email content to clean plain text. Strips tags, preserves links, and formats tables for readable plain-text versions.

Example

<h1>Hello</h1><p>World</p> → HELLO\nWorld

Email Warmup Calculator

Enter your target daily send volume and get a personalized warmup schedule.

Calculate the optimal warmup schedule for new email accounts. Get a day-by-day plan to safely ramp up sending volume without triggering spam filters.

Example

Target: 500/day → 21-day warmup plan generated

AI Writing Tools

Cold Email AI Writer

Select a framework, enter your product/offer details, and generate personalized cold emails.

Generate high-converting cold emails using proven frameworks like AIDA, PAS, and BAB. Choose your tone, add personalization variables, and export ready-to-send messages.

Example

Framework: AIDA → 3 email variations generated

AI Email Response

Paste the email you received, choose a tone, and get a polished reply instantly.

Generate professional email responses in any tone formal, friendly, assertive, or apologetic. Save hours drafting replies to complex messages.

Example

Tone: Professional → Reply generated in 3 seconds

AI Grammar Checker

Paste your email text and get highlighted corrections with one-click fixes.

Check your emails for grammar, spelling, punctuation, and style issues. Get suggestions to improve clarity and professionalism before sending.

Example

"Their going to the meeting" → "They're going..."

AI Letter Writer

Choose a letter type, fill in your details, and generate a polished letter.

Generate cover letters, recommendation letters, complaints, thank-you notes, and more. Customizable templates for any professional situation.

Example

Type: Cover Letter → Personalized letter in 5 seconds

Subject Line Generator

Enter your email topic or goal and get 10 ranked subject line suggestions.

Generate 10 compelling subject line variations for any topic. Optimized for open rates using proven copywriting formulas and power words.

Example

Topic: Product launch → 10 subject lines ranked by score

Subject Line Tester

Type your subject line and get a detailed score with specific improvement suggestions.

Score your subject line for deliverability, engagement, and spam risk. Get word-by-word analysis with actionable improvement tips.

Example

"Exclusive Deal Inside!" → Score: 72/100, 2 warnings

Company & Domain Lookup

Company to Facebook

Enter a company name or domain to find their Facebook page.

Find a company's Facebook page from their name or domain. Get direct links to their official Facebook business profile.

Example

acme.com → facebook.com/AcmeCorp

Company to LinkedIn

Enter a company name or domain to find their LinkedIn company page.

Find a company's LinkedIn page from their name or domain. Access company size, industry, and employee information.

Example

acme.com → linkedin.com/company/acme-corp

Company to Twitter/X

Enter a company name or domain to find their Twitter/X profile.

Find a company's Twitter/X profile from their name or domain. Get the official handle and profile link instantly.

Example

acme.com → x.com/AcmeCorp

Company to Phone

Enter a company name or domain to lookup their public phone numbers.

Find any company's phone number using proven lookup methods. Returns direct office lines, support numbers, and headquarters contacts.

Example

Acme Corp → +1 (555) 123-4567 (HQ)

Company to Website

Enter a company name to discover their most likely website domains.

Generate likely website URLs from a company name. Tests common TLDs (.com, .io, .co) and returns working domains.

Example

Acme Corp → acmecorp.com ✓, acme.io ✓

Website to Company

Paste a URL or domain and get the formatted company name.

Extract and format a company name from any domain or URL. Converts technical domain names to readable company names.

Example

my-awesome-startup.io → My Awesome Startup

Domain to Social Profiles

Enter any domain to discover all linked social media profiles.

Find all social media profiles from a company domain. Discovers LinkedIn, Twitter/X, Facebook, Instagram, YouTube, and GitHub links.

Example

acme.com → 6 social profiles found

Website Tech Checker

Enter a domain to detect the technology stack and get analysis links.

Discover what technologies a website uses CMS, analytics, frameworks, hosting, and more. Links to BuiltWith, Wappalyzer, and PageSpeed reports.

Example

acme.com → React, AWS, Google Analytics, Stripe...

Email Pattern Finder

Enter a name and domain to see the company email pattern and generate addresses.

Generate all common email patterns from a name and company domain. Identifies the most likely format used by the company.

Example

Acme Corp → first.last@acme.com (most common)

Company to Logo

Enter a domain or company name to find and download their logo.

Find any company logo instantly from their domain or name. Returns high-quality PNG logos for presentations and research.

Example

acme.com → 512x512 PNG logo downloaded

Bulk Logo Finder

Paste a list of domains (one per line) to fetch all company logos at once.

Find logos for multiple companies at once. Paste a list of domains and download all logos in a single batch.

Example

25 domains pasted → 23 logos found and downloaded

Why Professionals Choose Tomba's Free Tools

Every tool is designed to save time, protect your data, and deliver accurate results without any cost or commitment.
Email Finder & Extractor
Find professional email addresses using a name and company domain, or extract every email from pasted text, uploaded files, and web pages. Supports TXT, CSV, and PDF file uploads.
Domain & Company Search
Discover all email addresses associated with a company domain. Look up social profiles, phone numbers, logos, and website technologies for any business.
Email Verification & Testing
Validate email syntax, check deliverability, detect disposable domains, test SMTP configuration, validate SPF records, and scan email blacklists all in one toolkit.
AI-Powered Writing Tools
Generate cold emails, professional responses, cover letters, and email subject lines using AI. Choose frameworks like AIDA, PAS, and BAB for proven copywriting structures.
Email Templates & Design
Browse professional email templates for every use case. Build responsive HTML emails with a visual no-code editor or generate custom email signatures in multiple styles.
Social & LinkedIn Tools
Find social media profiles from company domains. Format LinkedIn posts with Unicode text, generate professional headlines, and write compelling About sections.
Company Intelligence
Look up any company's Facebook, LinkedIn, Twitter/X, phone number, and website from a domain or name. Discover technologies, email patterns, and company logos.
100% Private & Secure
All free tools run entirely in your browser. Your text, files, and data never leave your device nothing is uploaded to any server. Complete privacy by design.
Unlimited Usage, Zero Cost
Most tools have no usage limits since they process everything client-side. No signup, no credit card, no trial period. Use them as much as you need, whenever you need.
Have a Question?

Free Email Tools

If you can't find the answer to your question here, visit the dedicated section in our Help Center .

Start finding verified emails today

Join 150,000+ professionals who trust Tomba for accurate contact data. No credit card required.