Convert PNG to JPEG XL

Convert PNG files to JPEG XL in your browser. JPEG XL files are typically smaller than PNG. Free, no upload, no signup.

Output format

JPEG XL

82%

01 — Overview

Why convert PNG to JPEG XL

JPEG XL files are typically much smaller than PNG at equivalent quality — usually the main reason to make this conversion. Smaller files mean faster page loads, smaller email attachments, and less storage.

02 — Comparison

PNG vs JPEG XL

AttributePNGJPEG XL
CompressionLosslessLossy or lossless
TransparencyYesYes
AnimationNoYes
Typical file sizeVery largeSmall
Browser supportUniversally supported in every browser since the late 1990s.Limited — Safari 17+ supports it; Chrome and Firefox are still behind flags or pending. Great for archival and apps that control their own decoder.

03 — How to

Three steps

  1. 01

    Drop your PNG files

    Drag one or more PNG files onto the dropzone above, or click to browse. Files stay on your device — nothing uploads.

  2. 02

    Convert in your browser

    convert.now decodes each PNG and re-encodes it as JPEG XL via WebAssembly. The conversion runs in a Web Worker so the page stays responsive.

  3. 03

    Download the result

    Download a single JPEG XL file or, for batch conversions, a zip of all converted files. Filenames preserve the originals.

04 — Pillars

Why convert.now

  • Private

    Files stay in your browser. No upload step. Nothing for anyone to see.

  • Fast

    No queue, no upload wait. Conversion starts the moment you drop a file.

  • Free

    No ads. No file-count limit. No sign-up wall. Just the converter.

05 — FAQ

Frequently asked

No. The conversion from PNG to JPEG XL runs entirely in your browser using WebAssembly. Files never leave your device. Open DevTools' Network tab if you'd like to verify — there are no network requests with file contents.

06 — More

Related converters