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Comments give you and your collaborators a way to discuss your app while you build and edit it, right on the preview. Pin a comment to any element, work through feedback in threads, and send comments straight to the chat for Base44 to handle.
A comment thread pinned to an app preview, with a reply from Base44

Comment on your app preview and let Base44 handle the feedback

Comments are rolling out gradually and aren’t available to everyone yet.

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How comments work

Comments live in your app editor’s preview. Each comment is pinned to the element you click and starts a thread where your collaborators can reply, react, and resolve. Everyone who can edit the app sees the same comments, and new activity appears for all of you in real time. Comments stay anchored to their element as your app changes, so a thread you start today still points at the right spot after your next build.
Comments are only visible inside the app editor. People using your published app never see them.
To turn on comments, click the Comments icon at the top right of your app editor, next to your avatar.
The Comments icon highlighted in the app editor's top bar, next to the avatar and Publish button

Turn comments on and off from the top right of your app editor

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Adding a comment

Add a comment by pointing at the exact element you want to talk about.

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Writing your comment

Base44 captures a screenshot of the spot you click, and you can mention collaborators or add emoji as you write. To add a comment:
  1. Click the Comments icon to turn on comments.
  2. Click the element you want to comment on. Base44 drops a pin and captures a screenshot of that part of the page.
  3. Type your comment.
    • To mention a collaborator, type @ or click the Mention someone icon , then choose them from the list.
    • To include an emoji, click the Add emoji icon .
  4. Click the send icon or press Enter to post it.
A comment being written on a map pin, with the captured screenshot above the text field

Write your comment on the element you clicked

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Editing a comment

You can rewrite comments you posted yourself. To edit a comment:
  1. Open the thread and hover over your comment.
  2. Click the More Actions icon and select Edit.
  3. Change your text, then confirm.
A comment thread with the Edit option open under the More Actions icon

Edit sits under the More Actions icon on your own comments

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Editing the screenshot

If the captured screenshot doesn’t frame the right area, you can re-crop it on comments you created. Moving the frame also moves the comment’s pin to the element under it. To edit a comment’s screenshot:
  1. Open the thread, hover over the screenshot, and click Edit.
  2. Drag the frame over the area you want to capture.
  3. Click Save screenshot area.
A comment thread with the Edit button highlighted over its screenshot

The Edit button appears over the screenshot when you hover

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Working with comment threads

A pin shows the avatars of everyone in the conversation. Click it to open the thread, or hover over it for a quick preview. In a thread you can:
  • Reply: Continue the conversation under the original comment.
  • React: Hover over a comment and click the Add reaction icon .
  • Resolve: Click the More Actions icon and select Resolve to mark the thread as handled. Resolved threads leave the preview and the default list, and you can unresolve a thread to bring it back.
  • Delete: Remove a reply you wrote, or select Delete thread under the More Actions icon to remove the entire thread. Deleting a thread removes it for everyone and can’t be undone.
A comment thread with a reply from Base44, a reaction, and a follow-up reply

A thread keeps the whole conversation in one place

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Sending comments to the AI chat

Instead of handling feedback yourself, hand it to Base44. Sending a thread to the chat asks Base44 to read the comment, look at its screenshot, and act on it.
What happens when you send a comment:
  • The thread appears in your chat as a comment card that tracks its status live, and you can click View thread on the card to jump back to the comment.
  • Base44 adds a 👀 reaction to the comment while it works. If the comment asks a question, Base44 answers inside the thread without changing your app. If it asks for a change, Base44 builds it and replies in the thread when it’s done.
  • Sending a comment doesn’t resolve it, so you decide when the thread is closed.

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Sending a comment

You can hand a single thread to Base44 right from the comment. To send a comment to the chat, do one of the following:
  • Mention @Base44 in a comment or reply.
  • Open the thread and click the Send to chat icon .

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Sending several comments

You can send up to 20 threads to the chat as a single request, and Base44 works through them one by one. To send a batch of threads:
  1. In the comments panel, click the More Actions icon and select Send to chat.
  2. Select the threads you want to include, or check Select all threads.
  3. Click Send threads. The button shows how many threads you selected.

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Browsing all comments

The comments panel collects every thread across your app, so nothing gets lost between pages. When comments are turned on, a sidebar sits along the right edge of the preview, showing the people who commented. Hover over the sidebar to open the panel, where you can:
  • Search: Find comments by their text or author.
  • Filter: Click the filter icon to show only comments on the Current page, or only Unread ones.
  • Resolve: Hover over a comment and click the Resolve icon to close its thread without opening it.
  • Show resolved: Click the More Actions icon and turn on Show resolved to see handled threads, or select Mark all as read to clear your unread indicators.
  • Jump to a comment: Click any comment to open its pin, even when it lives on another page.
A dot on the Comments icon means there’s activity you haven’t read yet.

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FAQs

Here are answers to common questions about comments.
No. Mentions only list people who have access to the app. To mention someone else, invite them to your app first, and they appear in the mention list.
Click the Comments icon again to turn comments off. This hides the sidebar and the pinned comments until you turn comments back on.
The pin no longer appears on the preview, but the thread stays in the comments panel with its screenshot, so the conversation and its context aren’t lost.
Yes. Comments belong to the app, not to a branch, so a thread you start on one branch appears on every other branch too.
Each comment or reply can be up to 5,000 characters.