By the end of this guide, you'll know what each tool in lemlist's email editor toolbar does and how to use it to personalize, format, and enhance your campaign emails.

The email editor toolbar gives you everything needed to build professional emails: variables, formatting options, links, signatures, snippets, attachments, and code tools. Knowing where these tools are helps you write faster, stay compliant, and keep your emails clean and deliverable.

The toolbar appears in the email editor when composing campaign steps. Here's what each tool does:

What it does: The + Add menu groups several insertion tools in one place.

How to use: In your email step, click + Add, then choose the item you want to insert: Add variable, Custom media, Liquid Syntax, Insert Lemcal Link, Add unsubscribe link, Insert Image, or Attach File.

Use this for: Personalization, advanced logic, scheduling links, compliance links, images, and attachments.

What it does: Helps you write or improve copy directly inside the editor.

How to use: Click the Ask AI sparkle icon, then choose what you want help with, such as writing a message, increasing reply rate, improving open rate, boosting deliverability, improving meeting booking rate, fixing grammar, shortening text, or changing tone.

Best for: Rewriting opening lines, improving clarity, and refining calls-to-action.

What it does: Lets you analyze and improve your email's deliverability before sending.

How to use: Click the Deliverability Boost icon in the toolbar, then review the available checks like Content - Copywriting, Content & tech check, and Test - Inbox placement. From there, run the relevant analysis for your email.

Helpful for: Catching spam risks, checking technical issues, and improving inbox placement.

What it does: Opens your saved templates and snippets so you can quickly reuse content.

How to use: Click the Templates & Snippets icon in the toolbar to insert saved content into your email.

Create snippets for: Intros, value propositions, case studies, CTAs, and common closings.

What it does: Lets you format your email with options like text style, bold, italic, underline, alignment, and more.

How to use: Click the T formatting button to open the formatting toolbar, then apply the formatting options you need.

Keep minimal: Over-styled emails can look spammy. Bold only key phrases when needed.

What it does: Adds a clickable hyperlink to your email.

How to use: Highlight the text you want to link, then click the Insert Link icon.

Best practice: Use only a small number of links per email to help reduce spam risk.

What it does: Inserts your saved signature into the email body.

How to use: Place your cursor where you want the signature, then click the Insert Signature icon.

Setup first: Make sure your signature is configured in your settings before inserting it into emails. (Signature setup guide)

What it does: Shows the HTML source code for advanced editing.

How to use: Click the Code View icon to switch from the visual editor to HTML editing mode.

For advanced users: Invalid HTML can break email rendering.

What it does: Removes unwanted formatting or problematic code, especially after pasting content from other tools.

How to use: Click the Clean code icon to clean up the current email content.

Use after: Copy-pasting from Google Docs, Word, or web pages.

Always include: An unsubscribe link, a signature, and at least one personalization variable where relevant.

Test before launching: Send yourself a test email to confirm formatting, links, and layout.

Keep it simple: Minimal formatting, only a few links, and lightweight images or attachments usually perform best.

Use AI and deliverability tools carefully: They can improve performance, but always review the final message before sending.

Clean after pasting: Use the clean tool to prevent hidden formatting issues.