Asset Melt vs Compresto

Asset Melt

Figure	Asset Melt	Compresto
Price from	Free	$49/mo
Free plan	Yes	—
Free trial	—	Yes
Open source	—	—
Web	Yes	Yes
macOS	—	Yes
iOS	—	Yes
API	—	Yes
Plans published	1	4
Spec score · Image Compression Software	8.1 (#33)	8.9 (#6)
Batch processing	Yes	Users can add hundreds of files or entire folders for parallel processing with progress tracking.
Compression	Users can compress to a chosen quality or target file size, with size-budget encoding that resizes only when needed to fit the target.	The site says Compresto can reduce file sizes by up to 90% while preserving visual quality.
Formats	The Studio supports JPEG, PNG, WebP, AVIF, HEIC, TIFF, JPEG XL, and QOI.	It supports MP4, MOV and other major video codecs; PNG, JPEG, HEIC, WebP, TIFF and GIF images; and standard PDFs.
Free plan	Yes	No
Privacy	The maker says the app has no upload endpoint and images stay on the user's device unless exported.	The maker says selected files are processed locally and are not uploaded, stored or accessed after compression.
Support	The maker says he responds to every piece of feedback; the product pages link to a support page.	The privacy policy lists [email protected] for questions about privacy or data handling.
What it does	Asset Melt is a browser-based image studio for compression, conversion, resizing, cropping, and batch export.	Compresto is a native macOS application that batch-compresses videos, images, GIFs and PDFs locally, with claimed reductions of up to 90%.

Asset Melt has no write-up on Specifiction yet; its figures are above.

Compresto has no write-up on Specifiction yet; its figures are above.