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Affects JPEG and WebP file size. PNG is always lossless.

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Affects JPEG and WebP file size. PNG is always lossless.

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Convert images between PNG, JPEG, and WebP formats right in the browser.

Upload a file — all three formats with sizes will be shown immediately. Download the one you need.

PNG — lossless format, suitable for screenshots, icons, and graphics with transparency.

JPEG — lossy format, ideal for photos. Transparent background is replaced with white.

WebP — modern format by Google, provides better compression while maintaining quality.

Upload multiple files for batch conversion — download all in your preferred format as ZIP.

Convert Images Online — JPG to PNG, WebP to JPG Free

Free image converter: JPG to PNG, PNG to JPG, WebP to JPG, HEIC to JPEG and more. Convert files directly in your browser with no server uploads — fast, private, and unlimited.

Why convert image formats

Different tasks require different formats. A website photo should be WebP or JPEG; a logo with transparency needs PNG or SVG; animations use GIF or animated WebP; document screenshots belong in PNG. Wrong format = unnecessary file size or quality loss.

Format selection by task

TaskBest formatAlternative
Website photoWebPJPEG 80%
Logo / iconSVGPNG-24
UI screenshotPNGWebP lossless
AnimationWebP animatedGIF (limitations)
Email newsletterJPEGPNG (for logos)
PrintTIFF / PDFPNG 300dpi
ThumbnailWebP / AVIFJPEG

Conversion tips

  • Converting JPEG → PNG makes files larger without quality improvement — JPEG already lost that data
  • PNG → JPEG loses transparency: transparent areas are filled with white or a chosen background color
  • GIF → animated WebP preserves animation with better quality and smaller file size
  • Converting SVG to PNG requires rasterization — specify the target resolution
  • HEIC (iPhone) → JPEG may require EXIF orientation normalization

FAQ

Is quality lost when converting PNG → WebP?

WebP supports both lossless and lossy modes. In lossless mode, PNG → WebP preserves 100% of data while compressing 20–30% smaller. In lossy mode at 80%+ quality settings, quality loss is imperceptible.

How to preserve transparency during conversion?

Transparency-supporting formats: PNG, WebP, AVIF, GIF (1-bit), SVG. Converting to JPEG replaces transparency with a background color.

See also: image compressor, watermark tool.

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