Free Ways to Compress Photos for LinkedIn Posts

Updated July 12, 2026 · 6 min read

You do not need paid software to compress images well. Professional feeds load on slow office Wi-Fi and phones alike, so a compact image keeps your post readable on every connection.

Recommended settings for LinkedIn posts

SettingStarting point
FormatJPEG (WebP where accepted)
Widthabout 1200 px on the long edge
Quality78
File size400 KB or less

These are practical defaults. If the platform or form you are using publishes its own limits, follow those instead.

Free Ways to Compress Photos

Browser tools like TheCompressJPEG are free, need no installation and keep files on your device. Built-in editors on phones and computers can also export smaller copies.

Whichever you use, the recipe for LinkedIn posts is the same: resize to about 1200 pixels, choose quality around 78, and check the result before uploading.

Step by step with TheCompressJPEG

  1. Open the compress JPEG to 300 KB tool, or the main compressor for custom settings.
  2. Drop in your image. Nothing is uploaded; it is processed in your browser.
  3. Set the maximum width to 1200 and the target size to 400 KB.
  4. Press Compress, check the result and download it.
Ready to try it? Compress your JPEG to 300 KB now. It's free and private.

Quick tips

  • Always keep the original file and compress a copy.
  • Use JPEG for photos and PNG for logos and line art.
  • Name files descriptively with lowercase words and hyphens.
  • Check the result on a phone, where most people will see it.

FAQ

Is WebP accepted for e-learning courses?

It depends on the platform. JPEG is the safest choice when you are not sure.

What size should an image be for e-learning courses?

A practical default is about 1600 pixels wide and 200 KB or less, unless the destination states its own limits.

Can I compress images for e-learning courses without uploading them?

Yes. TheCompressJPEG runs entirely in your browser, so your images never leave your device.

Wrapping up

For LinkedIn posts, the reliable recipe is simple: resize to around 1200 pixels, compress at quality 78 or to a 400 KB target, and check the result before you upload. Keep the original so you can always start again.

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