Article Header Maker — 900×383, type and export
The header image is often the last thing left after writing an article. This scene presets the standard 900×383 header: type your title and section name, pick a theme, preview live, and export. It also marks the 1:1 safe zone that gets cropped for the shared thumbnail, so your title is never cut off. Runs locally — no login, no watermark.
Keep key text inside the dashed 1:1 safe zone (the shared-thumbnail crop)
2.35:1 · 900×383 · no watermark · local
Where 900×383 comes from
The lead article header displays at 2.35:1, which is 900×383 px. It's a wide ratio, great for a horizontal headline — but when shared, a 1:1 square thumbnail is cropped from the center. One image, two shapes, so the layout has to look right both wide and square.
Keep key words inside the safe zone
The preview marks the central 1:1 safe zone with a dashed guide. Keep your title and key words inside that box and the shared card never crops them. The wide sides are for decoration or a section name — things you can lose without losing meaning.
Match your publication's look
Use the same palette and type across a publication so readers spot you in a busy feed. This scene defaults to a calm dark style that suits most article accounts; switch the theme for a different mood while keeping the structure.
Frequently asked questions
Does the header have to be 900×383?
The lead header is recommended at 900×383 (2.35:1); secondary/list slots use a ~200×200 thumbnail. This tool makes the lead header, ready to upload.
Why the 1:1 safe zone?
The header shows wide in the article list but is cropped to a 1:1 square when shared. Keep the title inside the central safe zone so both forms stay readable.
Will the export be blurry?
No — it exports as a crisp 900×383 PNG that meets upload requirements.
Updated · poster cat team