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About Arche

Arche makes JPEG, PNG and WebP images smaller in the same format and pixel size. It is made by Liu Guangkai, an independent developer, as part of NiaMori.

What it does
Optimizes JPEG, PNG and WebP images without changing their format or pixel size, and removes metadata such as EXIF and GPS location. It also has free converters, a resizer and tools that compress an image to a target size, such as under 20 KB for an upload form.
Where your images go
The optimizer uploads your images, processes them only to make them smaller and deletes images and results within 48 hours; they are never used to train models. The free converters, the resizer and the target-size tools run in your browser, so those files are never uploaded.
Price
Free without an account for 20 images per batch, up to 5 MB each. Pro costs $5 a month and takes larger batches with priority processing. See pricing
Who makes it
Liu Guangkai, an independent developer. NiaMori is the name of the small family of browser tools Liu Guangkai builds and runs, listed below.
Payments
Pro subscriptions are sold by Waffo Pancake (Waffo.com Limited) as merchant of record, which handles checkout, tax and receipts.