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JPG to WebP

JPG/JPEG → WebP: smaller files for web pages, previews, and lightweight 3D asset delivery.

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About This Tool

Convert JPG/JPEG to WebP for smaller file sizes and faster loading on websites and browser-based 3D previews. Adjust the quality slider to balance compression and image quality. All processing is done locally in your browser.

Tips

  • 1WebP is typically 25-35% smaller than JPEG at similar quality
  • 2Useful for web 3D demos and lighter texture downloads
  • 3JPG has no transparency; use PNG/WebP sources when you need alpha

About Configuration Options

Output Dimensions

Output Dimensions

Set the output width and height. Square presets (e.g. 1024×1024) suit texture workflows; use custom with optional aspect-ratio lock to keep source proportions. Format-conversion pages default to the source size.

Lock aspect ratio

Defaulton

When enabled in custom size mode, changing width or height automatically scales the other side to match the source image proportions. Disable to set width and height independently.

Quality

Quality

Default90%

Range10% – 100% · step 5%

Lossy compression quality for JPEG and WebP. Higher values yield better quality but larger files.

Format Information

Input format

Extension:
jpg, jpeg
Full Name:
JPEG (Joint Photographic Experts Group)
Type:
Image
Format:
JPG / JPEG
Tools:
Photoshop、GIMP、Krita、Paint.NET
Open With:
Image Editor、Windows Photos、Preview (Mac)
Description:
JPG (JPEG) is the most universal lossy photo format, standardized by the JPEG committee in 1992, offering a good balance between quality and file size, and supported by virtually every device and software. It is ideal for photographs, screenshots, and web images. The downside of JPG is that compression introduces block artifacts and it does not support transparency, causing edges and text to blur. For image-to-3D conversion, JPG suits photographic height maps, but for contour-based conversion, PNG is recommended for clean edges; artifacts at the boundary between dark backgrounds and subject may affect the quality of the generated mesh.

Notes:

  • Maximum supported resolution: 4096×4096 pixels
  • Lossy compression may introduce artifacts on sharp edges

Supported Features:

  • Efficient lossy compression for photos
  • Broad compatibility across all platforms and editing tools
  • 24-bit RGB color support

Output format

Extension:
webp
Full Name:
WebP (Google)
Type:
Image
Format:
WebP
Tools:
Photoshop、GIMP、Krita、Paint.NET
Open With:
Image Editor、Windows Photos、Preview (Mac)
Description:
WebP is a modern image format developed by Google, supporting both lossy and lossless compression as well as an alpha channel. Under the same visual quality, file sizes are typically 25-35% smaller than JPEG or PNG, making it a mainstream choice for web performance optimization. WebP browser compatibility is now very mature, but it may still not be supported in older systems and some professional software. When used as a 3D texture or input for image-to-3D conversion, its performance is comparable to PNG; just be aware of compression artifacts in lossy mode.

Notes:

  • Maximum supported resolution: 4096×4096 pixels
  • Transparent backgrounds are supported in lossless mode

Supported Features:

  • Lossy and lossless compression modes
  • Alpha channel transparency in lossless mode
  • Smaller file sizes than legacy formats

How to Use

1

Import Image File

Drop a PNG, JPEG, WebP, BMP, or KTX2 texture/image file. KTX2 inputs are automatically decoded to PNG for conversion.

2

Configure Conversion Parameters

Choose output format when available (PNG, JPEG, WebP, KTX2), set texture dimensions, and adjust quality. For KTX2, pick ETC1S or UASTC.

3

Convert and Download

Click Convert to process the image or texture. The file downloads automatically in your chosen format, ready for web, design, or 3D pipelines.

Frequently Asked Questions

View all FAQs
Q

Why convert JPG to WebP?

A

WebP's compression efficiency beats JPEG, producing smaller files at the same visual quality. This speeds up page loads and reduces bandwidth for web content and online 3D previews.

Q

Is quality affected?

A

WebP's lossy compression is comparable to JPEG. At similar quality settings, WebP files are typically 25-35% smaller than JPEG, so you can often maintain the same perceived quality with a smaller file.

Q

Does WebP support EXIF data?

A

Basic metadata is preserved during conversion, but some advanced EXIF fields may not be carried over. If you need to keep the full EXIF information, retain the original JPG file.

Q

Can WebP replace JPG for 3D color textures?

A

Often yes for web delivery. Confirm that your engine or viewer supports WebP; desktop DCC tools and some game pipelines may still prefer JPG or PNG for compatibility.

Q

Can I adjust the quality level during conversion?

A

Yes, you can use the quality slider to control the output. Higher values (e.g., 90) preserve more detail but produce larger files, while lower values increase compression for smaller sizes. Adjust according to your balance between quality and file size.

Q

Does converting JPG to WebP and back cause quality loss over multiple conversions?

A

Yes. Both formats use lossy compression, so every round trip discards a little more detail. Keep a lossless master for editing and use this converter only for the final delivery copies.