Discord Creator Asset StudioAsset Studio
Tutorials⏱ 5 min readUpdated 2026-03-04

How to Put a Spoiler on Discord Images

Do not want to ruin movie endings or share sensitive memes unexpectedly? Here is how to put a spoiler on Discord image files on desktop, iPhone, Android, and the web, plus a handy filename trick.

AS
Discord Asset Studio Community Engineering
Platform Operations Specialist

1. How to Spoiler Discord Images on Desktop & Web Browser

Discord lets you blur sensitive images behind a dark overlay so people only see them if they click to uncover them.

Here is the quickest way to do it on desktop: 1. Drag and drop your image into the Discord chat box, or click the + (Plus) button next to the message input and select Upload a File. 2. Before pressing Enter, look at the preview box above your text box. 3. Click the small Eye Icon (labeled *Mark as Spoiler*) in the top-right corner of the attachment thumbnail. 4. Alternatively, click the Pencil Icon (*Modify Attachment*) to open settings, check the box labeled Mark as Spoiler, and click Save. 5. The image preview will blur with an eye symbol in the center. Type any text you want and press Enter to send.

💡 Pro Tip:Quick Eye Icon Shortcut

Hover your mouse over any image you attached in Discord desktop to see the eye icon. One click marks it as a spoiler without opening extra menus.

2. Spoilering Images on Discord Mobile (iOS & Android)

Marking an image as a spoiler on your phone takes just a couple of taps:

  1. Tap the + button next to the chat bar and choose a photo from your camera roll.
  2. Tap the thumbnail of the attached image before sending it.
  3. Turn on the Mark as Spoiler switch (on iPhone) or check the Mark as spoiler box (on Android).
  4. Tap outside the menu to return to your chat. The preview will now show a blurred shield.
  5. Tap the send button to share your spoiler-protected photo.

3. The Automatic "SPOILER_" Filename Trick

You do not even have to click any buttons to hide an image. If you add SPOILER_ to the beginning of any filename, Discord automatically marks the upload as a spoiler!

Why this filename trick is so useful: - **Example Names**: `SPOILER_boss_fight.png` or `SPOILER_ending.jpg`. - **Case Does Not Matter**: Even lowercase `spoiler_photo.png` works on modern versions of Discord. - **Great for Multiple Photos**: If you want to send several images at once, naming them this way means every single image is blurred automatically without clicking each one.

bashPrefixing filenames with SPOILER_ forces automatic spoiler protection on upload.
# Terminal / Scripting batch spoiler rename
mv screenshot.png SPOILER_screenshot.png

4. Discord Image Size Limits: When to Compress Media

Large photos or high-res screenshots can fail to send if they pass Discord file limits: - Free Accounts: 25.0 MB max file size (increased from the older 8 MB limit). - Discord Nitro Basic: 50.0 MB max file size. - Discord Nitro: 500.0 MB max file size.

If your photo or capture is larger than 25 MB, using a browser-based discord image compressor lets you resize or compress the file so it uploads quickly without needing a paid Nitro subscription.

Free In-Browser Utility

Format & Compress Media Before Sharing

Resize large screenshots, strip camera metadata, and compress images under Discord 25 MB limit right in your browser.

Open Image Studio →

Frequently Asked Questions

How do you put a spoiler on an image in Discord mobile?

Pick your photo in the mobile app, tap the image thumbnail above the text bar to open options, toggle on "Mark as Spoiler", and send your message.

What is the secret file name trick for Discord spoilers?

Adding "SPOILER_" to the start of your file name (like SPOILER_photo.png) tells Discord to mark the image as a spoiler automatically when you upload it.

Can you un-spoiler an image after sending it?

No. Once a message with a spoiler image is sent, you cannot remove the spoiler tag. You would need to delete the message and upload the image again.

What is the file size limit for image uploads on Discord?

Free accounts can upload files up to 25 MB. Nitro Basic raises the limit to 50 MB, and full Discord Nitro allows up to 500 MB per file.

Related Discord Guides & Specs