Tools
Fileraz
Tools
Fileraz
Try jpg to png, compress image, pdf…
Image tool
Simple 3-step flow
Drop up to 30 PNG files, tune once, and download WEBP files plus one ZIP — decoded and re-encoded in this tab.
01
Drop up to 30 PNG files from this device. Each shows as a preview card with a live size estimate. Drag to reorder.
Batch of 30 · drag to reorder
02
Drag quality from 10 to 100, then hit Convert. Your browser decodes the PNG and re-encodes it as WEBP on a canvas locally.
Slider drives the trade
03
Save each WEBP individually or grab one ZIP for the batch. The sources on disk stay put.
Encoded locally · 0 bytes uploaded
What the workspace does
These match the converter — the pair rule, the quality rule, and local-only processing.
Alpha survives the trip — WebP keeps transparency.
PNG → WEBP
Quality runs 10 to 100 — lower is smaller, higher keeps detail. The estimate is honest because WEBP is lossy.
10–100 · your call
Privacy architecture
Cloud converters upload the image to flip its format remotely. This one decodes and re-encodes on a canvas here — the file never leaves the device.
Legacy cloud tools
Uploads the image to a remote queue.
Fileraz
0 bytes leave this machine. Canvas encode runs in this tab.
Legacy cloud tools
Accounts and quotas on free tiers.
Fileraz
Never — there is no public sign-up at all.
Legacy cloud tools
You only get back what the server kept.
Fileraz
Source stays on disk. Output is a fresh encode.
Honest output
Format conversion changes the container and compression — it never invents pixels, transparency, or detail.
Answers
Quality, transparency, and whether PNG files are uploaded.
Yes. WebP supports an alpha channel, so transparency and semi-transparency are preserved rather than flattened.
No. WebP output is lossy — adjust the quality slider before download. Keep your PNG as the master copy if you need an exact original.
It depends entirely on the image. Photographic and gradient-heavy PNGs often shrink the most; small flat-colour icons that were already efficient as PNG may barely change.
Yes — up to 30 PNGs per batch with transparency intact on every file, each with its own estimate and download plus one ZIP.
Constraints
WebP encoding is lossy — use the quality slider; there is no lossless WebP mode here.
Up to 30 images per batch — each with its own download, plus ZIP.
EXIF orientation applied when supported.
Ready to convert PNG to WEBP in this tab?
PNG in · WEBP out · up to 30 files · 0 bytes uploaded