AdamToolsFR

Private JPG and PNG converter

Convert JPG and PNG images privately

Switch between JPG and PNG, choose the background for transparent pixels and download clean files without uploading anything.

Private by design — images never leave this browser
or drop JPG, PNG or WebP hereUp to 20 images · 25 MB each · 100 MB per batch
100% local

No image is uploaded to AWS.

JPG · PNG · WebP

Conversion, compression and transparency.

20 images

Individual or ZIP download.

AdamTools Image Studio

JPG is practical for photographs and small files. PNG is lossless and supports transparency. AdamTools makes the trade-off visible before download.

JPG to PNG

Create a lossless PNG output when you need a broadly compatible format or future editing.

PNG to JPG

Choose a background color for transparent pixels and control JPG quality.

Preview before download

Review dimensions, format, output size and percentage difference for every result.

Clean metadata

Re-encoding removes hidden EXIF metadata by default for a cleaner, more private output.

FAQ

Frequently asked questions

Does JPG support transparency?

No. When converting a transparent PNG to JPG, AdamTools uses the background color you select.

Will PNG always be smaller than JPG?

No. PNG is often larger for photographs, while JPG is usually smaller but lossy.

Are EXIF details preserved?

No. Metadata is removed by default during local re-encoding.

Can I convert a batch?

Yes. Convert and download up to 20 images together.