---
title: "Free Email Tools"
description: "Free tools for deliverability checks, list validation, spam scoring, lead search, and more."
source: "https://www.mailmark.dev/tools"
site: "Mailmark"
---

# Free Email Tools

Free email tools from Mailmark. No signup required for most of them.

| Tool | What it does |
| ---- | ------------ |
| [Email Deliverability Checker](/tools/email-deliverability-checker) | Check a domain's SPF, DKIM, DMARC records, blacklist status, and overall health score. |
| [SES Savings Calculator](/tools/ses-savings-calculator) | Compare what your volume costs on AWS SES with Mailmark against your current provider. |
| [Cold Email Subject Line Generator](/tools/subject-line-generator) | Generate cold email subject lines for your industry and offer. |
| [Cold Email Lead Finder](/tools/lead-finder) | Find business leads and their public contact details. |
| [Email List Validator](/tools/email-list-validator) | Validate addresses for syntax, disposable domains, MX records, and role accounts. |
| [Email Spam Score Tester](/tools/spam-score-tester) | Score subject and body content against common spam filter triggers. |
| [Email Signature Generator](/tools/email-signature-generator) | Build an HTML signature you can paste into any email client. |

Some tools have HTTP endpoints of their own; see the [API reference](/docs/api#public-tool-endpoints).

---

Mailmark - email hosting and campaigns for your own domain. Canonical page: https://www.mailmark.dev/tools | [llms.txt](https://www.mailmark.dev/llms.txt) | [OpenAPI](https://www.mailmark.dev/openapi.json) | [sitemap](https://www.mailmark.dev/sitemap.xml)