Free Email Tools
Extract, validate, clean, and analyze email addresses — free, private, and 100% in your browser. No sign-up, no upload, no data leaves your computer.
All 23 tools
Pick a tool and get results in seconds.
Email Extractor
Extract every email address from text, web pages, or CSV files in one click. The OutSends email extractor runs entirely in your browser — your data never leaves your computer.
Try it freeEmail Validator
Validate email addresses in bulk, right in your browser. The OutSends email validator checks formatting, structure, and common typos — privately, instantly, and free.
Try it freeEmail Word Counter
Count words, characters, and lines in your email subject or body before you hit send. The OutSends word counter gives you instant stats, entirely in your browser.
Try it freeEmail Verifier
Verify email addresses the smart way: syntax check plus a live MX record lookup on the domain's mail servers. The OutSends email verifier runs in your browser and never stores your list.
Try it freeEmail List Cleaner
Turn a messy email list into a clean, send-ready list. Remove duplicates and invalid addresses, normalize case, and export a tidy CSV — all in your browser.
Try it freeDuplicate Email Remover
Remove duplicate email addresses from any list in seconds. The OutSends duplicate remover is case-insensitive, keeps the first occurrence, and runs entirely in your browser.
Try it freeEmail Checker
Check every email in your list at once: validity, plus automatic detection of disposable and temporary email domains. Private, instant, and free.
Try it freeEmail Domain Extractor
Extract every unique domain from your email list in one click. See which providers your contacts use — gmail.com, outlook.com, or their own company domains — right in your browser.
Try it freeCSV Email Extractor
Upload a CSV file and get every email address inside it — no matter which column it's in. The OutSends CSV extractor scans all cells locally in your browser.
Try it freeEmail List Formatter
Reformat any email list in one click: one per line, comma-separated, lowercase, alphabetically sorted. The OutSends formatter runs locally in your browser.
Try it freeEmail List Splitter
Split your email list into 2, 5, or 50 parts in one click. Perfect for A/B testing, staggered sends, or dividing work between senders. Runs entirely in your browser.
Try it freeEmail Subject Line Generator
Stuck on a subject line? Enter your topic and get 12 proven, ready-to-send subject line ideas in one click. The OutSends generator runs entirely in your browser.
Try it freeEmail Subject Line Tester
Score your subject line before you send. Length, all-caps, spammy words, and punctuation all influence open rates — the OutSends tester grades your subject line in real time.
Try it freeEmail Spam Word Checker
Type or paste your email and instantly find every word that can trigger spam filters. The OutSends spam word checker works in English and French, entirely in your browser.
Try it freeEmail Signature Generator
Build a clean, professional HTML email signature in seconds. Add your name, title, company, phone, and website — preview it live and copy the code into any mail client.
Try it freeEmail Character Counter
Count characters, words, and lines in your email as you type — live. Keep subject lines under the mobile limit and bodies concise, entirely in your browser.
Try it freeEmail Preview Tool
Preview your email exactly as recipients see it in their inbox: sender name, subject line, and the snippet. Tweak until it earns the click — all in your browser.
Try it freeHTML Email Previewer
Paste your HTML email template and render it instantly — in desktop or mobile width, in a safe sandboxed iframe. The OutSends previewer runs entirely in your browser.
Try it freeSpintax Generator & Tester
Test your spin syntax before sending. Paste any copy with {option1|option2} brackets to calculate total possible variation counts, detect syntax errors, and preview randomized variations in real time. Runs 100% in your browser.
Try it freeSPF, DKIM & DMARC Record Generator
Generate valid DNS authentication records for your domain in seconds. Ensure compliance with Google and Yahoo 2026 sender guidelines to protect your domain from spoofing and stay out of the spam folder.
Try it freeCold Email ROI & Pipeline Calculator
Forecast the financial return of your outbound sales campaigns. Adjust your monthly email volume, open and reply rates, and average deal size to calculate expected booked meetings, pipeline value, and return on investment.
Try it freeEmail Deliverability & Anti-Spam Checklist
Audit your cold email technical setup in under 2 minutes. Check off your domain records, warmup routine, sending cadence, and list hygiene to receive an actionable Deliverability Score out of 100 with recommendations.
Try it freeCold Email Pacing & Mailbox Calculator
Never exceed safe email provider limits. Enter your target monthly volume to instantly calculate the ideal number of rotated sender accounts, recommended daily limits per mailbox, and optimal human jitter delay intervals.
Try it freeWhy free tools from OutSends?
Tools you can trust, built by an email team.
Private by design
Every tool runs in your browser. Your emails are never uploaded, stored, or shared.
Instant results
No queues, no waiting. Paste your data and get results in milliseconds.
Free forever
No sign-up, no credit card, no limits. When you're ready to send, OutSends is here.
Ready to send better emails?
OutSends helps you run cold email campaigns from your own Gmail, SMTP, or API provider with built-in warmup and multi-inbox rotation. Start with a 14-day free trial.