Image tools that never upload your files
Convert and compress images without leaving your browser
HEIC to JPG, WebP to JPG or PNG, and a compressor with before and after. Everything runs inside your device: your photos never travel to a server.
The tools
HEIC to JPG
iPhone HEIC photos converted to JPG, PNG or WebP.
ConverterCompress image
Shrink your photos by quality level or by target file size.
CompressorWebP to JPG
WebP images converted to JPG, or to PNG with transparency.
ConverterConvert image
JPG, PNG, WebP and HEIC in any direction, with resizing.
ConverterWhich format do I need?
Three questions and you will know whether it is JPG, PNG or WebP.
AssistantWhy a tool that uploads nothing
Most online converters work the same way: you upload your photo to a server, someone processes it there and hands you back a download link. It works, but it means your images — the ID you were about to attach, the photo of your kids, the company document — pass through a computer you do not control and stay there for however long somebody else decides.
Ilmara does the opposite: the conversion engine downloads into your browser and works using your own machine's power. Files never leave your device. You can check that in the simplest possible way: open the tool, switch off your Wi-Fi and convert anyway.
As a consequence there are no daily quotas, no queues, no watermarks and no conversion limits: it costs us nothing when you use it. The only limits are your own device's, and they are written on every tool.
What you can do here
- Convert HEIC to JPG: iPhone photos, ready for Windows, print shops and web forms.
- Convert WebP to JPG or PNG: the images you save from the web that then refuse to go into anything.
- Compress images: by quality level or by target size (“get it under 200 KB”), with the saving on each file in plain sight.
- Convert between JPG, PNG and WebP in any direction, resizing along the way.
All of them take up to 30 images per batch and can hand you the result as a ZIP.
Guides to understand your images
What a HEIC file is
Why the iPhone uses HEIC, and what you gain and lose by converting.
GuideJPG, PNG or WebP
The real difference between JPG, PNG, WebP and AVIF, and when to use each.
GuideCompress without losing quality
The right balance between weight and quality, with a repeatable recipe.
GuideOptimise images for the web
Size, format, lazy loading and dimensions: halve your site's weight.
GuideFrequently asked questions
Is it really free?
Yes, with no catch. The tool runs on your machine, so we have no per-conversion server costs. The site is funded by discreet advertising, with no pop-ups.
Do I need to sign up or install anything?
No. It opens in the browser and works: no account, no extension, no software. It behaves the same on a phone as on a computer.
Where do my images end up?
Nowhere but your own device. There is no upload, so there is nothing to store and nothing to delete. Close the tab and no trace remains.
Which formats are supported?
It reads HEIC, HEIF, JPG, PNG, WebP, GIF, BMP and AVIF (if your browser can decode it) and writes JPG, PNG and WebP.