Free Tools
Free Tools.
Browser-based tools for email deliverability and outbound. No account required, no data sent to our servers — everything runs locally in your browser.
Email Accelerators
Email Signature Builder
Build a professional HTML email signature in minutes. Choose from three templates, customize your branding, and copy the code directly into your email client — no account required.
Open toolFreeEmail Template Analyser
Analyse your cold email template for spam signals, typos, grammar, link density, capitalisation, and structure — instant, browser-only.
Open toolMonitoring
Blacklist Checker
Check if your domain or IP is listed on any of the 21 most common email blacklists. Instant results, no sign-up required.
Open toolFreeEmail Authentication Checker
Audit SPF, DKIM, DMARC, MX, and BIMI for any domain in one click. Catches lookup overflow, weak DKIM keys, missing DMARC, and more.
Open toolGenerators
SPF Record Generator
Generate a valid SPF TXT record for your domain in seconds. Select your email providers, set your enforcement policy, and get a copy-paste DNS record — browser-only.
Open toolFreeDMARC Record Generator
Set your DMARC policy, configure aggregate reporting, and get a copy-paste DNS record in seconds. Choose none, quarantine, or reject — browser-only.
Open toolFreeDKIM Record Generator
Format your DKIM public key into a ready-to-publish DNS TXT record. Enter your selector, paste your public key, and copy the record — browser-only.
Open toolComing soon
Email Subject Line Tester
Inbox Placement Predictor