Free WebP Converter

Convert JPG, PNG, and BMP images to modern WebP format — or convert WebP back to JPG/PNG. Up to 30% smaller files.

Select an image

Click or drag an image here
Supports JPG, PNG, BMP (up to 50 MB)

Files are processed securely and deleted immediately after.

About Free WebP Converter

WebP is a modern image format developed by Google that provides superior compression for images on the web. Compared to JPEG, WebP lossy compression produces files that are 25–34% smaller at the same visual quality. Compared to PNG, WebP lossless compression is typically 26% smaller. WebP also supports full transparency (alpha channel) and animation, making it a single format that can replace JPEG, PNG, and even GIF for most web use cases. All major browsers — Chrome, Firefox, Safari, and Edge — have supported WebP since 2020, covering over 97% of global users.

Our free WebP converter lets you convert JPG, PNG, and BMP images to WebP in seconds, helping you reduce page load times and improve your Google PageSpeed score. You can also convert WebP files back to JPG or PNG when you receive a WebP image but need it in a format compatible with older software or email clients. All conversions use Google's official libwebp library for maximum quality and standard compliance, and your files are deleted immediately after processing.

Key Features

Everything you need — no software installation required.

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Up to 30% Smaller Files

WebP's advanced compression algorithm delivers significantly smaller file sizes than JPEG and PNG at the same visual quality. This directly improves web performance, reduces bandwidth costs, and speeds up page load times for every visitor to your site.

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Two-Way Conversion

Not only can you convert JPG, PNG, and BMP to WebP, but you can also convert WebP back to JPG or PNG. This bidirectional support means you are never locked into a format you cannot use with older tools or applications that lack WebP support.

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Lossless and Lossy Modes

Choose between lossy WebP (smaller files, minimal visual impact) and lossless WebP (identical quality to the original, with smaller files than PNG). Lossy mode is ideal for web photographs; lossless is best for logos and UI graphics that need crisp edges.

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Transparency Preserved

WebP supports a full alpha channel for transparency, just like PNG. When you convert a transparent PNG logo to WebP, the transparent areas are preserved exactly. This makes WebP an excellent replacement for PNG assets on modern websites without any visual regressions.

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Instant Processing

Conversions complete in 1–3 seconds for typical images. The tool uses server-side libwebp — Google's official and highest-quality WebP library — to produce output identical to the cwebp command-line encoder, ensuring optimal compression and quality balance.

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Secure and Private

Your images are uploaded via HTTPS encryption, converted in an isolated temporary environment, and permanently deleted immediately after you download the result. Files are never stored, shared with third parties, or used for any analytical or training purposes.

How to Use Free WebP Converter

Get your result in seconds — completely free, no registration needed.

Upload your image

Click the upload button or drag and drop your image file onto the converter. Accepted formats include JPG, PNG, BMP, and WebP. Files up to 50 MB are supported. You can upload directly from your computer, phone camera roll, or any connected storage device.

Select the output format

Choose whether you want to convert to WebP (for smaller web files) or from WebP to JPG/PNG (for broader compatibility). If converting to WebP, you can also choose between lossy mode for photographs and lossless mode for graphics and logos with transparent backgrounds.

Adjust the quality level

For lossy WebP conversions, use the quality slider to balance file size and visual fidelity. The scale runs from 1 (smallest file, most compression) to 100 (largest file, highest quality). The default setting of 85 provides visually lossless results while reducing file size by 25–30% compared to equivalent JPEG.

Convert and download your file

Click the Convert button to start processing. The converted WebP, JPG, or PNG file will be ready to download in under three seconds. The output file keeps the same filename as your input with the new extension, making it easy to replace existing web assets.

Supported Input and Output Formats

Wide format support ensures compatibility with virtually any file you upload.

Format	Description	Best For	Quality
JPG / JPEG to WebP	Convert JPEG photographs to lossy WebP for 25–34% size savings with no visible quality difference.	Web photos, product images, blog content	Lossy WebP
PNG to WebP	Convert PNG images to lossless WebP — transparent backgrounds and crisp edges are fully preserved.	Logos, icons, UI elements, illustrations	Lossless WebP
BMP to WebP	Convert uncompressed Windows BMP bitmaps to compact WebP, typically achieving 10x size reduction.	Legacy graphics, scanned artwork, paint files	Lossy or Lossless
WebP to JPG	Convert WebP images back to universal JPEG for compatibility with older software and email clients.	Sharing files with non-web tools, email, printing	Lossy JPEG
WebP to PNG	Convert WebP images to lossless PNG for editing in software that does not yet support WebP natively.	Photo editing, design tools, desktop applications	Lossless PNG

Who Uses Free WebP Converter?

Trusted by millions of users across different industries and workflows.

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Web Developers

Replace JPEG and PNG images on websites with WebP to reduce page weight by 25–35%. This directly improves Google PageSpeed Insights scores, Core Web Vitals metrics, and search ranking signals related to site performance and loading speed.

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E-commerce Store Owners

Convert product photography from JPEG to WebP before uploading to Shopify, WooCommerce, or Magento. Smaller product images mean faster pages, lower bounce rates, and higher conversion rates — particularly on mobile networks with limited bandwidth.

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Bloggers and Content Creators

Convert blog images to WebP before publishing to WordPress or Ghost. The size reduction cuts image transfer time in half, improving the reading experience and reducing monthly hosting bandwidth costs significantly for high-traffic blogs.

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UI/UX Designers

Export design assets and UI mockups as WebP to hand off to developers. WebP provides the same crisp transparency as PNG at a smaller file size, making asset sharing more efficient and design review tools faster to render.

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Mobile App Developers

Use WebP for in-app images to reduce app bundle size and runtime bandwidth usage. Android has supported WebP natively since API 14; iOS since version 14. WebP is the standard for performance-optimised mobile image delivery.

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SEO Specialists

Google explicitly recommends using next-generation formats like WebP in its PageSpeed Insights tool. Converting site images to WebP eliminates the 'Serve images in next-gen formats' warning and can improve LCP scores, a key Core Web Vitals ranking signal.

Why Choose Our Tool?

Built for speed, privacy, and reliability — everything works right in your browser.

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Improve Google PageSpeed Score

Google PageSpeed Insights flags JPEG and PNG images and suggests converting to next-generation formats. Switching to WebP eliminates this warning and can improve performance scores by 10–30 points, positively impacting search rankings.

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Reduce Hosting Bandwidth Costs

Smaller WebP images transfer less data per page view. For high-traffic sites delivering millions of images monthly, converting to WebP typically reduces CDN and server bandwidth costs by 25–35% with no visible impact on image quality.

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Better Core Web Vitals Metrics

Faster image loading directly improves Largest Contentful Paint (LCP), a Core Web Vitals metric used in Google's search ranking algorithm. Optimised LCP scores contribute to better organic search visibility and lower ad costs on Google Ads.

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97% Browser Support Globally

WebP is supported in Chrome 23+, Firefox 65+, Safari 14+, and Edge 18+, covering over 97% of global browser users. Modern web projects can safely serve WebP as the primary format with simple HTML picture element fallbacks for rare legacy browsers.

Pro Tips & Best Practices

Get the best results with these expert recommendations.

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Use lossy WebP at quality 80–85 for photographs

For photographic images, lossy WebP at quality 80–85 is visually indistinguishable from the original JPEG while being 25–35% smaller. Quality above 90 provides diminishing returns in file size savings. Quality below 70 may introduce visible artefacts in high-detail areas of photos.

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Always use lossless WebP for logos and icons

For graphics with sharp edges, flat colours, or text, always choose lossless WebP mode. Lossy compression on these image types creates visible ringing artefacts around edges and degraded text clarity. Lossless WebP will still be 15–25% smaller than an equivalent PNG file.

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Implement HTML picture element fallbacks for old Safari

While Safari 14+ supports WebP, users on iOS 13 or older Safari do not. Use the HTML picture element for fallbacks: provide a WebP source as the primary, then JPEG or PNG as the fallback image source. This ensures all users see images regardless of browser version.

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Convert WebP to PNG before editing in older Photoshop versions

Adobe Photoshop CS6 and earlier do not support WebP natively. If you need to edit a WebP file in an older version, convert it to lossless PNG first using this tool, make your edits, then convert back to WebP before deploying to your website.

Related Tools

More free online tools you might find useful.

JPG to PNG Converter

Convert JPEG images to lossless PNG format with full transparency support.

Image Compressor

Compress JPG, PNG, and WebP images for faster web loading.

Image Resizer

Resize images to exact pixel dimensions or percentage scales.

Favicon Generator

Create favicons in all required sizes from any source image.

Frequently Asked Questions

Everything you need to know about Free WebP Converter.

Is WebP better than JPEG?

For most web use cases, yes. WebP lossy compression produces files 25–34% smaller than JPEG at equivalent visual quality. WebP also supports transparency (which JPEG does not) and animation. The main limitation is that very old browsers and some desktop applications do not yet support WebP, though browser support globally now exceeds 97%.

Does WebP support transparent backgrounds?

Yes. WebP fully supports an alpha channel for transparency, identical to PNG. You can convert a PNG with transparent areas to lossless WebP and the transparency is preserved exactly. This makes WebP an excellent replacement for transparent PNG logos, icons, and UI elements on modern websites.

Will I notice a quality difference after converting to WebP?

At quality setting 85 or above, the difference between WebP and the original JPEG is imperceptible to the human eye. At quality 75–84, differences are visible only on close inspection of very detailed areas. For most web applications, quality 80–85 provides the best balance between file size reduction and visual fidelity.

Can I convert WebP back to JPG or PNG?

Yes. Our converter fully supports bidirectional conversion. You can convert WebP to JPG (lossy, universally compatible) or WebP to PNG (lossless, ideal for editing in desktop applications). This is useful when you receive WebP files but need them in a format compatible with tools that lack WebP support.

What browsers support WebP?

WebP is supported in Google Chrome (version 23+), Mozilla Firefox (version 65+), Apple Safari (version 14+), Microsoft Edge (all versions), and Opera (version 12+). As of 2025, WebP coverage exceeds 97% of global browser users, making it safe for production deployment on any modern website without special configuration.

How much smaller will my WebP files be?

Results vary by image type. For photographs, expect 25–34% reduction compared to JPEG at equivalent quality. For PNG images with transparency, lossless WebP is typically 26% smaller. For images with large flat-colour areas such as graphics and illustrations, savings can be even more substantial. Highly compressed JPEGs with low source quality may show less improvement.

Can I use WebP for email attachments?

WebP is not recommended for email attachments because most email clients — including Outlook and Apple Mail — do not display WebP images inline. For email use, convert back to JPEG for photographs and PNG for graphics. Use this converter to produce a JPEG or PNG from your WebP file before attaching it to any email message.

Does converting to WebP affect SEO?

Yes, positively. Google PageSpeed Insights recommends serving images in next-generation formats like WebP. Using WebP reduces page load time, which improves Largest Contentful Paint (LCP) — a Core Web Vitals metric directly used in Google's search ranking algorithm. Faster pages tend to rank higher and have lower bounce rates, further improving organic visibility.

Is there a file size limit?

You can upload image files up to 50 MB. This covers standard web images, high-resolution product photos, and large print artwork. For images exceeding 50 MB, consider the cwebp command-line tool from Google, which has no file size restrictions and can process multiple files in batch mode.

Are my images private?

Yes. Images are uploaded via HTTPS, processed in an isolated temporary environment, and permanently deleted immediately after you download the converted file. We never store images in any database, share them with third parties, or use them for training, analytics, or any other secondary purpose.