Write and check email
Draft, proof, and finish messages before they go out.
Email personalizer
Paste any email template with [tokens], fill in each field, and copy a personalized email. Free, no sign-up, runs in your browser.
Subject line analyzer
Score any subject line: length, mobile truncation previews, spam triggers, caps, emoji, and personalization. Free, no sign-up, in your browser.
Spam word checker
Paste your email and highlighting shows spam trigger words and phrases by category, with a count and fixes. Free, no sign-up, runs in your browser.
Email word counter
Count words, characters, sentences, and paragraphs, estimate reading time, and flag long sentences. Free, no sign-up, runs in your browser.
HTML to plain text
Paste HTML email and get clean, wrapped plain text with links kept intact. Free, no sign-up, runs in your browser.
Email signature generator
Build a clean email signature in seconds, preview it, and copy the HTML for Gmail or a plain text version. Free, no sign-up, no watermark.
Token checker
Paste a template and your contact columns to find unfilled tokens, unused fields, and near-miss typos. Free, no sign-up, runs in your browser.
Plan outreach
Build campaign links, schedules, and meeting times without the math.
UTM link builder
Build tagged campaign URLs with source, medium, campaign, term, and content. Validated, normalized, and copy-ready. Free, no sign-up.
Follow-up cadence calculator
Turn a start date and day gaps into exact follow-up send dates, optionally skipping weekends. Copy the schedule. Free, no sign-up.
Send time converter
See what a send time looks like in your recipients' time zones, with working-hours warnings. Free, no sign-up, runs in your browser.
Meeting time finder
Find hours that fall inside working hours for every attendee's time zone, and copy the result. Free, no sign-up, runs in your browser.
Clean and verify lists
Remove duplicates and check the setup that decides inbox placement.
Duplicate email cleaner
Paste an email list to remove duplicates, find invalid addresses, sort, and export a clean CSV or text list. Free, no sign-up.
Deliverability checklist
A 21-point interactive checklist covering authentication, list hygiene, and sending habits, with progress saved in your browser. Free, no sign-up.
Measure results
Turn raw campaign numbers into rates, significance, and projected revenue.
Benchmark calculator
Enter sent, opened, replied, bounced, and complaints to see your rates against published cold email benchmarks. Free, no sign-up.
A/B significance calculator
Compare two email variants with a two-proportion z-test: lift, confidence, and whether the result is significant. Free, no sign-up.
Outreach ROI calculator
Turn volume, reply, meeting, and close rates into projected meetings, customers, revenue, and cost per meeting. Free, no sign-up.
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