CodeKitHubWhat Is This Tool?
Reddit Comment Generator recreates the real Reddit comment thread layout — usernames, comment text, per-comment up/downvote arrows and score, and nested reply indentation with the characteristic left-border thread line — so you can export it as a shareable mockup image.
It must never be used to fabricate fraudulent evidence, harass or defame someone, or impersonate real people's actual comments — doing so may be illegal depending on your jurisdiction.
Everything is generated locally in your browser using the HTML Canvas API; nothing is ever uploaded to a server.
Why Use It?
- 100% local rendering — your content never touches a server.
- Illustrate a joke, story or presentation with a realistic Reddit comment thread mockup.
- Prototype Reddit-style nested comment UI concepts for an app, course or slide deck.
- No account, no upload, no watermark — just type and download.
How to Use
- Click "+ Add message" to add a new comment to the thread.
- Fill in each comment's author, timestamp, text and upvote count.
- Toggle "Indent as reply" to nest a comment under the one above it, with Reddit's thread line.
- Watch the live preview update, then click "Download PNG" to save the image.
Example
Input
Comment 1: "u/quiet_observer42", "This is exactly the content I come to this sub for.", 842 upvotes · Comment 2 (reply): "u/skeptical_dev", "Source?", 96 upvotesOutput
A PNG styled like a real Reddit comment thread: each comment shows an avatar, username, timestamp, text, and vote arrows with score, with replies indented and connected by a thread line.The image renders instantly in the live preview canvas and downloads with a single click — no waiting, no server round-trip.
What you can customize
- Any number of comments, each with author, timestamp, text and upvotes.
- Whether a comment is shown as a top-level comment or an indented reply.
- Layout details matching Reddit's real vote-arrow and thread-line visual style.
Responsible use
This generator exists to make it easy to create clearly fictional mockup images for humor, storytelling and design work. If you share an image made with this tool, consider adding context so viewers understand it is not a real comment thread.
Frequently Asked Questions
Is it legal or ethical to use this tool?
The tool itself is legal to use for entertainment, mockups, presentations and design work. What is not legal or ethical is using the generated image to deceive someone. Please only use this for clearly fictional or illustrative purposes.
Does the tool upload my content anywhere?
No. Everything you type stays in your browser's memory and is drawn directly onto a canvas element with JavaScript. The PNG is generated and downloaded on your device — nothing is ever sent to a server.
Can I upload real photos as avatars?
Not currently — avatars are simple colored circles with initials, generated automatically. This keeps the tool simple and avoids any temptation to impersonate a real person using their actual photo.
How deep can I nest replies?
The tool supports one level of visual indentation per comment (top-level or reply), which covers the vast majority of realistic Reddit thread mockups while keeping the canvas layout clean and readable.