Email Subject Line Tester
Score your email subject line for open rate potential, length, spam triggers, and emotional appeal
Email Preview Tool
Preview how your email renders across Gmail, Outlook, Apple Mail, and mobile devices
Cold Email Template Generator
Generate proven cold email templates for sales, partnerships, hiring, and link building by industry
Follow-Up Email Generator
Create follow-up email sequences with optimal timing and personalization for higher reply rates
Email Personalization Checker
Analyze your cold email for personalization depth and get suggestions to improve response rates
Email Length Analyzer
Check your email's word count and reading time against best practices for cold outreach (50-125 words)
Email Reading Time Calculator
Calculate exact reading time for your email and compare against the 11-second average attention span
Email Readability Scorer
Score your email's readability using Flesch-Kincaid and grade level metrics for maximum engagement
Call-to-Action Analyzer
Evaluate your email's CTA for clarity, urgency, and placement to maximize click-through rates
Email Tone Analyzer
Detect the tone of your email (formal, casual, urgent, friendly) and adjust for your target audience
Cold Email Grader
Get an overall grade (A-F) for your cold email across deliverability, personalization, copy, and CTA
Email A/B Test Calculator
Calculate statistical significance for email A/B tests and determine the winning variant
Best Send Time Optimizer
Find the optimal day and time to send cold emails based on your recipient's timezone and industry
Email Sequence Planner
Plan a multi-step cold email sequence with optimal intervals, touchpoints, and follow-up timing
Reply Rate Calculator
Calculate your cold email reply rate and benchmark against industry averages by outreach type
Cold Email Word Counter
Count words, sentences, and paragraphs in your cold email with ideal range indicators
Spammy Word Checker
Scan your email for 500+ known spam trigger words and phrases that hurt inbox placement
Unsubscribe Rate Calculator
Calculate your email unsubscribe rate and compare against healthy thresholds by campaign type
Email Cadence Planner
Design the optimal email sending cadence (frequency and spacing) for your outreach campaign
Cold Email ROI Calculator
Calculate the ROI of your cold email campaigns including cost per lead, cost per reply, and revenue per send
Email Performance Benchmarks
Compare your open rate, reply rate, and bounce rate against benchmarks for your industry and campaign type
Cold Email Script Generator
Generate personalized cold email scripts using proven frameworks like AIDA, PAS, and BAB
Breakup Email Generator
Create a final 'breakup' email for non-responsive prospects that drives last-chance replies
Introduction Email Generator
Generate professional introduction emails for networking, referrals, and warm outreach
Meeting Request Email Generator
Create meeting request emails that get accepted with personalized hooks and clear value propositions
Automate Your Cold Email Tools
These free tools are great for quick checks. FirstSales automates your entirecold email tools workflow with AI-powered personalization.
FAQ
Frequently Asked Questions
Learn how Firstsales protects your domain, lands emails in inboxes, and turns cold outreach into revenue—everything in one place.
Yes, 100% free. All tools in this category work without signup, email capture, or payment. We provide these free tools to demonstrate expertise and help sales teams succeed.
Our tools check live data and query relevant services in real-time. Results are accurate at the time of checking, but remember that some metrics and statuses can change frequently.
Yes, all tools are free to use for both personal and commercial purposes. Sales teams, agencies, and businesses worldwide use our tools daily.
No account required. Simply navigate to any tool and start using it immediately. For advanced features and team management, consider creating a free FirstSales account.