The Gold Standard for Web Speed.
WebP is Already Efficient. FastCompressor Makes It Smaller.
Re-encode WebP with optimised parameters. Strip bloated metadata. Process entirely in your browser - no upload to any server.
100% Private
Zero cloud uploads
Next-Gen Format
Maximum compression efficiency
Instant Speed
Direct in-browser processing
Free Online
No file limits
Drop WEBP files here
Drag & drop files or choose from your computer
WEBP supported • Up to 50MB per file • 100% Private In-Browser
WebP is the modern image format that provides superior lossless and lossy compression. Using FastCompressor, you can reach the gold standard of web performance while keeping your site blazing fast.
See the Difference
Side-by-side compression test — dramatic size reduction with zero visible loss in quality.
WebP Quality Comparison
Direct file comparison benchmark
815 KB
1600 × 1131 px
216 KB
1600 × 1131 px
What Most WebP Compressors Get Wrong
Not All WebP Files Are Optimised
Google's Squoosh and most converters produce WebP files at default parameters.
Those defaults aren't always optimal.
FastCompressor applies content-aware bitrate selection - sharpening where needed, compressing where not.
Metadata Bloat Is Real
A WebP exported from Adobe Lightroom or Photoshop often contains 30-80KB of embedded EXIF, ICC colour profiles, and XMP data.
FastCompressor strips what's unnecessary while preserving what you need.
No Cloud Processing
Every WebP compressor that runs 'in the browser' but actually uploads - iLoveIMG, Convertio, CloudConvert - sends your files to their servers.
FastCompressor processes WebP files entirely locally.
Batch WebP Processing
Frontend developers don't compress one WebP at a time.
They compress entire /assets/ folders.
FastCompressor's folder watch mode automatically compresses new WebP files as you export them.
How to compress Compress WebP files
Instant, private compression in three quick steps.
Select Files
Drag and drop your Compress WebP files into the browser or click Browse.
Choose Quality
Pick Balanced (recommended), Lossless, or Maximum compression presets.
Instant Download
Save files individually or download all converted files in a single ZIP archive.
Built for professionals who need speed, privacy, and quality.
Frontend developers optimising web assets for Core Web Vitals compliance
Next.js and Gatsby teams whose image pipelines output WebP by default
Shopify and WooCommerce merchants whose platforms serve WebP to modern browsers
Photographers and editors using Lightroom to export WebP for web delivery
SEO professionals chasing PageSpeed Insights scores on image-heavy pages
How We Compare
Why privacy-focused professionals choose FastCompressor
| Feature | FastCompressor | Typical Online Tool |
|---|---|---|
| Metadata control | Strip or preserve | Strips everything |
| Batch folder support | Yes - unlimited (Pro) | 1-20 files |
| Offline / no upload | Yes | No - cloud processed |
| Lossless WebP support | Yes | Lossy only (most tools) |
| Format output | Stays WebP | Sometimes converts to JPG |
| Price | $19 once | $5-79/month |
Why use FastCompressor Desktop for the gold standard for web speed.?
Online tools are great for quick, single-image edits. But when you need to process hundreds of files or maintain strict privacy, native software is the only way to go.
The Gold Standard for Web Speed.
WebP is efficient. Uncompressed WebP isn't.
When Google introduced WebP, it promised 25-35% smaller files than JPEG at equivalent quality. That's true - when WebP is compressed correctly. The problem is that most tools export WebP at maximum quality by default. Figma, Photoshop, and export pipelines all do this. You get a .webp file that's already smaller than a JPG - but still far larger than an optimally compressed WebP.
FastCompressor's WebP compression analyses both the lossy and lossless components of each WebP file and re-encodes with content-aware settings. The result: a WebP file that is typically 30-50% smaller than the original exported version, with no visible quality difference at standard viewing sizes.
For web developers: WebP is the dominant format for web delivery in 2026, with 97% browser support. But the compression quality of your WebP files matters as much as the format itself. A poorly compressed WebP is larger than a well-compressed JPG.
For WordPress users: If you're using a plugin to auto-convert images to WebP, the output quality setting matters. Default is usually 80 - but many images can go to 70-75 with no visible change. FastCompressor's desktop app lets you set per-folder quality targets for complete control.
Frequently Asked Questions
Common questions about in-browser Compress WebP optimization.
Compress WebP Files Privately - $19 Once, Unlimited Forever
Stays in WebP format · Batch folders · No uploads · 30-day guarantee