Compress Image to 120 KB

Compress an image to 120 KB — a practical ceiling for WordPress featured images and CMS uploads.

Supports JPEG, PNG, WebP, GIF, BMP and more — up to 50 MB

How to compress an image to 120 KB.

The target is preset, so this takes three steps — plus what to expect at 120 KB.

1
Step 1

Upload your image

Click upload or drag and drop any JPEG, PNG, WebP, SVG, or GIF file from your device.

2
Step 2

Target is already set to 120 KB

This page is preset to 120 KB, so there is nothing to type. Choose JPEG or WebP output for the most efficient result at this size.

3
Step 3

Compare, then download

Press compress and check the result against your original in the slider. Roughly 1600 × 1600 px is the realistic pixel budget at 120 KB — download when it looks right.

Getting the best results

Compress before you upload

A CMS creates its thumbnail set from the file you provide. Feeding it a compressed original means every derived size inherits that efficiency instead of amplifying the waste.

Prune unused image sizes

Many themes register a dozen derivative sizes and use three. Disabling the unused ones cuts storage and speeds up every upload.

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All image tools.

Free online tools for every image task.

Image Compressor

Compress images without losing quality.

Image Resizer

Resize images to exact dimensions or by percentage.

Image Converter

Convert between JPEG, PNG, WebP, and other formats.

Image Cropper

Crop images to any size or predefined aspect ratio.

Bulk Compressor

Compress multiple images at once and download as ZIP.

Image Rotator

Rotate images by any angle or flip horizontally/vertically.

Compressing an image to 120 KB.

What 120 KB is actually for, what it can hold, and how to get there without wasting quality.

What 120 KB is good for

120 KB is a realistic working limit for a content management system. WordPress, Ghost, and similar platforms generate several derivative sizes from every upload, so the original's weight multiplies through the media library.

Compressing before upload rather than after is the important habit. The CMS derives its thumbnails from whatever you give it.

Where this size is required

WordPress featured images, CMS media library uploads, blog post headers, and any platform that auto-generates multiple sizes from one source.

What to expect at 120 KB

Photographs remain clean to roughly 1600 × 1600 pixels, which is ample for a blog header on any common theme.

Frequently asked questions.

Everything you need to know about compressing images to 120 KB.

Before. WordPress generates its derivative sizes at upload time from your original, so a compressed source produces a compressed set. Compressing afterwards means regenerating everything.

They overlap. A plugin automates the work but usually applies one generic setting, and free tiers often cap monthly volume. Compressing to a chosen target first gives you direct control.

Themes and plugins each register their own derivative sizes, and WordPress generates every one at upload. Many go unused, so pruning the registered sizes speeds up uploads and saves storage.

They overlap. A plugin automates the work but applies one generic setting and free tiers usually cap monthly volume. Compressing to a chosen target first gives you direct control.

Yes, positively. WordPress derives every thumbnail from your original, so a compressed source produces a compressed set throughout the media library.

For a photographic JPEG, roughly 1600 × 1600 px is the practical ceiling before compression becomes visible. Flat graphics, screenshots, and document scans do considerably better, because they contain less fine detail to preserve.

No. Images are processed on our secure server only to perform the compression and are deleted immediately after your download. They are never stored, shared, or accessed by anyone.