A photo that looks fine on your phone can still be too large for a job portal, a university form, an email attachment or a marketplace listing. This compressor reduces JPG, PNG and WebP images directly in your browser. You choose a target size, optionally resize the image, check the result and download it. The selected files are not uploaded to OmniEmu by this tool.

How to compress an image

Add your images. Drop them onto the page or choose them from your device. You can add several files and process them as a batch.
Set a target. Pick 100 KB, 200 KB, 500 KB, 1 MB or type a custom limit. The target is a ceiling, not a promise that every image can reach it without visible quality loss.
Resize if you need to. Enter a maximum width or height. This is useful when a form asks for a specific dimension as well as a file-size limit.
Choose an output format. Keep the original format, or convert to JPEG, WebP or PNG. WebP usually gives the smallest file for photos in modern browsers. PNG is the right choice when you need lossless graphics or transparency, but it compresses differently.
Compress and compare. The result shows the before and after size, the output dimensions and whether your target was met. If it was not, the tool says so instead of pretending.
Download one file or a ZIP. Individual downloads are best for a single application upload. The ZIP is convenient for a batch of images.

What “target size” actually means

For JPEG and WebP, the compressor lowers the encoder quality until the file fits your target or reaches the lowest quality it allows. That is a real trade-off: a 40 KB photo will usually show fewer fine details than a 400 KB version. The tool keeps the highest quality it can find under your limit, then checks the output by decoding it again.

PNG is different. It is a lossless format, so there is no quality slider that makes a complex PNG dramatically smaller. If a PNG cannot reach the target, the honest options are to resize it, convert it to JPEG or WebP when transparency is not needed, or accept the closest result. The tool will tell you which happened.

When downscaling is allowed

Downscaling changes the pixel dimensions, not just the compression level. It is the most effective way to reach a small target, but it can make text or fine detail harder to read. Downscaling is off by default. Turn it on only when the form or website also accepts a smaller dimension, or when you have checked the preview and the result is still good enough.

There is also a safety limit. Very large images can exhaust memory on a phone, so the tool reduces anything above its pixel cap before processing and explains that it did so. This is a technical limit, not a quality recommendation.

Good uses for this tool

Reducing a profile photo for a job application or university portal.
Making a screenshot or product photo small enough for an email.
Preparing images for a marketplace listing with a strict upload limit.
Reducing a batch of photos before sending them to a client for review.
Making a website image lighter before uploading it to a content management system.

If you need an exact social-media dimension rather than a file-size limit, use the social media resizer when it is published. If you need an ID or passport photo, use the ID photo maker only after its official presets have been verified.

Limits you should know

Supported input: JPG/JPEG, PNG and WebP. GIF, HEIC, AVIF, TIFF and RAW files are not supported in this version. An iPhone HEIC photo must be converted first.
Batch size: up to 20 files at a time, with a per-file size limit shown in the interface. Very large batches can be slow on a mid-range phone.
Metadata: re-encoding normally removes camera metadata such as GPS location and some capture details. Do not rely on this as a secure metadata cleaner; use a dedicated tool if metadata removal is the main requirement.
Transparency: JPEG does not support transparency. Transparent areas are filled with white when you choose JPEG. Choose PNG or WebP if you need to keep transparency.
Animated images: this version is for still images. Animated GIF and animated WebP are not supported.
No cloud copy: the tool does not create a backup. Download the result before closing the tab.

Privacy: what happens to your files

The selected images are read by JavaScript in this tab, drawn to a canvas, re-encoded and offered back to you as a download. This tool does not send the image bytes to OmniEmu. Your browser may still make ordinary requests to load the page, and our hosting provider and CDN keep standard request logs. Those logs are separate from the image files you choose.

Nothing is stored in an account because there is no account. Working copies live in the tab’s memory and are cleared when you reset the tool or close the tab. If you use a shared device, download what you need and close the tab when you are finished.

Questions people ask

Is the compressor free?

Yes. There is no account, no watermark and no payment step. The site is supported by the same hosting and advertising plan described on the privacy page, not by charging for this tool.

Will compression reduce quality?

Usually yes, especially for JPEG and WebP, because the file is being re-encoded at a lower quality setting. The question is whether the result is still good enough for your purpose. Check the preview at a realistic size before you submit it. PNG output is lossless, but resizing or converting can still change the image.

Can it make any image exactly 100 KB?

No tool can honestly promise that for every image. A simple graphic may fit easily. A detailed photo may need a lower quality or smaller dimensions. If the target cannot be reached with the current settings, the tool reports the closest result and suggests enabling downscaling or reducing the dimensions.

Why is my PNG still large?

PNG is lossless and is often a poor fit for photographs. A detailed PNG can stay large even after compression. If the image does not need transparency, try WebP or JPEG. If it does need transparency, reduce the dimensions or simplify the image.

Does it remove EXIF data?

Re-encoding through a canvas normally drops most EXIF metadata, including GPS tags, but browser behaviour varies. Treat that as a side effect, not a guarantee. If removing metadata is a legal or safety requirement, verify the downloaded file with a dedicated metadata tool.

Can I use it on my phone?

Yes, in a modern mobile browser. The interface is designed for a 360 px screen. Very large images and large batches may be limited by available memory. Process a few files at a time if the browser becomes slow.

What happens if I close the tab?

The working copies and download links are cleared. Download your results first. There is no server-side history to recover.

What this tool does not do

It does not upload images to a cloud drive, create an account, remove backgrounds, convert HEIC, edit metadata deliberately or guarantee acceptance by a third-party form. It also does not decide whether a photo meets an official ID requirement. Those jobs need different tools and, in the case of official photos, the current rule from the issuing authority.