Website performance

Compress and convert website images without uploading them to a server.

Reduce image file size, resize oversized photos and export WebP or JPEG files directly in your browser.

No sign-upBrowser basedBuilt by Kailvex
Private by design

Tool entries are processed in your browser and are not intentionally uploaded to or stored by Kailvex. Do not enter passwords, payment-card details, patient information or other sensitive personal data.

Select an image

The image is processed locally in your browser and is not uploaded to Kailvex.

Drop an image here or click to choosePNG, JPG or WebP
For product and website images, WebP at 70–82% quality is often a practical starting point. Always visually check the downloaded image.
How to use it

Simple inputs. Clear output.

01

Choose a product or website image

Check the inputs and review the generated result before using it in a live business workflow.

02

Set output width, format and quality

Check the inputs and review the generated result before using it in a live business workflow.

03

Preview the file size and download the result

Check the inputs and review the generated result before using it in a live business workflow.

Important questions

Use the result responsibly.

Yes. It is a free browser-based utility provided by Kailvex Technologies.

The calculation runs in your browser. Data is not sent to Kailvex unless you separately submit a contact form.

No. It is a general calculation or preview. Important financial, tax, legal and technical decisions should be independently verified.

Yes. Kailvex can scope custom ecommerce, software, website and automation workflows based on confirmed requirements.

More about this tool

Understand the workflow before using the result.

Read the practical Kailvex guide for Free Image Compressor & WebP Converter. It covers who the tool is for, step-by-step use, a worked example, limitations, privacy and common questions.

Read the full guide →