Compress Image for Upload

Free, browser-based, no upload required

Reduce your photo or image to fit website, app and platform upload limits. Common limits range from 1MB to 5MB. This tool targets 2MB by default, a safe size for the majority of upload forms.

2MB default

Fits most upload limits

Any format in

JPEG, PNG, WebP, HEIC, AVIF

No uploads

Files stay on your device

KB

Drop image here to compress to 2000KB

JPEG, PNG, WebP, AVIF, HEIC. All processing stays in your browser.

Default target is 2MB. If the platform states a specific limit, change the target above to match it with a small margin below the stated maximum.

Where upload size limits commonly appear

Almost every platform that accepts user-uploaded images enforces some kind of size limit, whether stated clearly or discovered only after an upload fails.

Forums and community platforms

Many forums limit image attachments to between 1MB and 5MB per post, with some platforms enforcing much smaller limits for free accounts.

App and software submissions

Mobile and desktop apps that accept user-uploaded images, such as profile photos or content uploads, frequently cap individual files at 2MB to 5MB.

Cloud storage and note apps

Free tiers of note-taking and document apps sometimes limit individual image attachments, making compression useful for staying within storage quotas.

Marketplace and classifieds platforms

Listing photos on marketplace and classifieds sites are commonly capped between 1MB and 5MB per image, with multiple photos allowed per listing.

Frequently asked questions

Why does a website say my image is too large to upload?

Websites and apps set upload limits to control server storage costs and processing time. A typical photo straight from a modern smartphone camera can be 5MB to 15MB, which exceeds many common upload limits of 1MB, 2MB or 5MB. The error appears because the platform rejects any file above its configured limit before it is even processed.

What is a safe target size for general uploads?

2MB is a safe general target that fits comfortably within most website and app upload limits, which commonly range from 1MB to 5MB. If a specific platform states its limit, such as a forum allowing 3MB attachments or an app requiring images under 5MB, compress to slightly below that number to leave a safety margin.

Will compressing reduce the quality too much?

Modern compression algorithms can reduce a typical smartphone photo from 8MB to under 2MB with no visible difference in quality at normal viewing sizes. The reduction mostly removes redundant data the eye cannot perceive. Extremely aggressive compression to very small sizes, such as under 100KB, can introduce visible artifacts, but targets in the 1MB to 5MB range preserve excellent visual quality.

What kinds of platforms have upload size limits?

Forums and community platforms often limit image attachments to 1MB to 5MB. Cloud storage and note-taking apps may limit individual file uploads in free tiers. Online marketplaces, social platforms, CMS systems and form builders all commonly enforce per-file size limits to manage storage and ensure consistent performance for all users.

Is my photo uploaded anywhere when I use this tool?

No. All compression happens locally in your browser using WebAssembly. Your photo never leaves your device until you upload the compressed result to the website or app yourself.