[{"data":1,"prerenderedAt":170},["ShallowReactive",2],{"category-qa":3},{"slug":4,"title":5,"description":6,"resourceCount":7,"subcategories":8},"qa","QA","Preview testing, rendering tools, spam checkers, and proofing utilities for catching bugs before you hit send.",25,[9,32,64,84,114,150],{"slug":10,"title":11,"description":12,"resourceCount":13,"preview":14},"email-sandbox","Email Sandbox","Sandboxed environments for building and previewing test emails safely.",3,[15,22,27],{"name":16,"url":17,"description":18,"type":19,"slug":20,"source":21},"MailSlurp","https:\u002F\u002Fwww.mailslurp.com\u002F","Generate inbox email addresses in code or using visual dashboard to test your emails.","service","mailslurp","emailresourc-es",{"name":23,"url":24,"description":25,"type":19,"slug":26,"source":21},"Mailtrap","https:\u002F\u002Fmailtrap.io\u002F","Inspect and debug your email samples before delivering them to your customers.","mailtrap",{"name":28,"url":29,"description":30,"type":19,"slug":31,"source":21},"testmail.app","https:\u002F\u002Ftestmail.app\u002F","Test new user signups, transactional emails, spam scores, and more.","testmail-app",{"slug":33,"title":34,"description":35,"resourceCount":36,"preview":37},"first-impressions","First Impressions","Tools for sharing and reviewing how an email looks before it goes out.",5,[38,44,49,54,59],{"name":39,"url":40,"description":41,"type":42,"slug":43,"source":21},"Email Characters","https:\u002F\u002Fwww.emailcharacters.com\u002F","A tool for email copywriters that showcases where subject line and preheader text will cut off on devices based on character count.","utility","email-characters",{"name":45,"url":46,"description":47,"type":42,"slug":48,"source":21},"Free Email Subject Line Tester","https:\u002F\u002Fwww.emailtooltester.com\u002Fen\u002Femail-subject-lines-tester\u002F","Check how your subject line is going to look like in the inbox of the iPhone 8, iPad 10 and Samsung Galaxy S9.","free-email-subject-line-tester",{"name":50,"url":51,"description":52,"type":42,"slug":53,"source":21},"MailNinja Subject Checker","https:\u002F\u002Fmailninja.co\u002Fsubject-line-checker","Improve your open rates by checking your email subject line through 11 proven tests.","mailninja-subject-checker",{"name":55,"url":56,"description":57,"type":42,"slug":58,"source":21},"Playground from ZURB","https:\u002F\u002Fzurb.com\u002Fplayground\u002Ftestsubject","Test How Your Email Subject Lines Appear On The Most Popular Mobile Devices","playground-from-zurb",{"name":60,"url":61,"description":62,"type":42,"slug":63,"source":21},"Sensitive Subjects","https:\u002F\u002Fsensitivesubjects.com\u002F","Type in your subject line and see the possible sensitive subjects your recipients might see.","sensitive-subjects",{"slug":65,"title":66,"description":67,"resourceCount":13,"preview":68},"live-testing","Live Testing","Real-time editors that show you a rendering preview as you write the code.",[69,74,79],{"name":70,"url":71,"description":72,"type":19,"slug":73,"source":21},"Parcel","https:\u002F\u002Fparcel.io","Test your HTML, text, and AMP emails using the code editor built for email development.","parcel",{"name":75,"url":76,"description":77,"type":19,"slug":78,"source":21},"Postdrop","https:\u002F\u002Fpostdrop.io","Inline, send and test HTML email","postdrop",{"name":80,"url":81,"description":82,"type":42,"slug":83,"source":21},"Putsmail","https:\u002F\u002Fputsmail.com\u002F","Test in real time your HTML emails for campaigns, newsletters and others before sending them.","putsmail",{"slug":85,"title":86,"description":87,"resourceCount":36,"preview":88},"preview-testing","Preview Testing","Services that render your email across dozens of real email clients and devices.",[89,94,99,104,109],{"name":90,"url":91,"description":92,"type":19,"slug":93,"source":21},"Email On Acid","https:\u002F\u002Fwww.emailonacid.com","Preview your email across multiple devices with Email on Acid and never send a bad email again.","email-on-acid",{"name":95,"url":96,"description":97,"type":19,"slug":98,"source":21},"Email Preview Services","https:\u002F\u002Femailpreviewservices.com\u002F","Email and Design Testing with Tools from Email Preview Services.","email-preview-services",{"name":100,"url":101,"description":102,"type":19,"slug":103,"source":21},"Litmus","https:\u002F\u002Fwww.litmus.com\u002Femail-testing\u002F","Preview your emails across 90+ email clients, apps, and devices to ensure an on-brand, error-free subscriber experience.","litmus",{"name":105,"url":106,"description":107,"type":19,"slug":108,"source":21},"Parcel Previews & Testing","https:\u002F\u002Fparcel.io\u002Fplatform\u002Fpreviews","Preview your email across 80+ real inboxes and  leave no inbox or subscriber behind. 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