Free email tools
Small, focused utilities that help you write, check and send better email — free, no account needed.
Paste your subject line and body to get a 0–100 spam score with specific fixes before you send.
Open toolScore your subject line live for length, capitals, punctuation, spam words and emoji, with mobile and desktop previews.
Open toolBuild a professional Gmail signature from six templates, then copy or download clean HTML.
Open toolPaste raw headers to see the sender, sending IP, delivery hops and SPF, DKIM and DMARC results.
Open toolPaste HTML email code and preview it instantly in desktop and mobile widths, safely in your browser.
Open toolBeautify messy email HTML into clean, indented code without touching inline styles or tables.
Open toolLook up and validate the SPF record for any domain, with every mechanism explained in plain English.
Open toolCheck the DKIM public key published for a domain and selector, including key type and length.
Open toolSafely shrink email HTML and see characters, bytes and percentage saved before you send.
Open toolFree UTM link generator: create GA4 tracking URLs for LinkedIn, Google Ads and email campaigns.
Open toolCreate title, description, canonical, robots, Open Graph and Twitter tags with live Google and social previews.
Open toolCompress JPG, PNG and WebP images to 100KB, 200KB or 500KB with before/after preview — entirely in your browser.
Open toolBatch convert JPG, PNG and WebP — JPG to PNG, PNG to WebP, WebP to JPG and more — with ZIP download.
Open toolFree OCR: extract editable text from photos, screenshots, JPG, PNG and WebP images — right in your browser.
Open toolReady to send better emails?
Install Mailvern for Google Sheets to send personalized emails, track opens, and automate campaigns.
3-day trial on paid plans · Works with Gmail and Google Workspace
