WebP is already one of the most efficient image formats. Our tool pushes it further with advanced re-encoding to hit exact file-size targets.
Upload WebP Images
Selecione seus arquivos WebP – imagens estáticas ou sequências WebP animadas. A ferramenta lida com entradas WebP com e sem perdas. Upload em lote de até 50 arquivos.
Choose Target Size
Pick a target file size. WebP supports both lossy and lossless modes — our engine picks the optimal mode and quality factor to hit your target with the best visual result.
Download Compressed WebP
Download your optimized WebP files ready for the web. The output format stays WebP — no conversion. Individual download or ZIP batch available.
Why Choose Our WebP Compressor
VP8 Lossy Encoding
Lossy WebP uses the VP8 video codec's intra-frame encoding with predictive coding and adaptive quantization, producing files 25-35% smaller than equivalent JPEGs.
Lossless Mode
WebP lossless compression uses spatial prediction, color transforms, and entropy coding. It produces files 26% smaller than PNG on average with zero quality loss.
Alpha Channel Support
Unlike JPG, WebP supports full transparency in both lossy and lossless modes. Lossy WebP with alpha is typically 3x smaller than a PNG with the same transparency.
Broad Browser Support
WebP is supported by all modern browsers — Chrome, Firefox, Safari 14+, and Edge. Global browser coverage exceeds 97%, making it safe for production web use.
Smaller Than JPEG
Os arquivos WebP com perdas são 25-35% menores que JPEG com a mesma qualidade visual, e WebP também oferece suporte a transparência que o JPEG não suporta.
Animation Support
WebP supports animated sequences as a modern replacement for GIF, delivering significantly smaller file sizes with better color depth and transparency.
A física da compressão
How WebP compression works at this target
WebP is a VP8-derived format that ships in two modes: lossy (≈25-35% smaller than JPG at the same visual quality) and lossless (≈26% smaller than PNG). Our compressor uses lossy mode by default and tunes the quality parameter downward to hit the target. The quality-vs-size curve is smoother than JPG — going from quality 90 to 60 in WebP typically produces less visible degradation than the equivalent JPG drop. All modern browsers (Chrome, Firefox, Safari 14+, Edge) support WebP natively.
Real portals mapped to size targets
Which target size to pick for WEBP
Different portals cap WEBP uploads at different sizes. Pick the target that matches where you’re uploading rather than shrinking blindly — over-compressing wastes visible quality, under-compressing gets rejected.
Quick answers about compression targets, upload limits, format behavior, and the best cases for compressing WEBP files.
How do I compress WEBP files online?
Choose a target size, upload your WEBP file, and click Compress. iFormat shrinks it to your chosen size while keeping quality as high as possible — free, no watermark, and no account needed.
What sizes can I compress WEBP to?
Você pode segmentar 50 KB, 100 KB, 200 KB, 500 KB, 1 MB ou 2 MB, cada um com sua própria ferramenta dedicada. Escolha o tamanho que corresponde ao limite de upload ou limite de e-mail que você precisa atingir.
How does WEBP compression work?
WebP compression adjusts the quality parameter of Google's VP8-derived codec. WebP is already 25–35% more efficient than JPG at equivalent quality, so further compression involves lowering quality or reducing dimensions. The compressor finds the optimal quality setting for your target size.
Will compressing reduce WEBP quality?
WebP handles compression artifacts better than JPG — it avoids the blocking artifacts that JPG shows at low quality. At quality 60, WebP still looks acceptable for web use. Below quality 40, smearing and loss of fine detail become visible.
Is the WEBP compressor free?
Yes. Compressing WEBP files is free with no watermark and no sign-up. Paid plans only raise file-size and batch limits.
Are my WEBP files kept private?
Sim. Os uploads usam uma conexão HTTPS criptografada, a compactação é executada em um trabalhador isolado e tanto o arquivo original quanto o compactado são excluídos automaticamente em uma janela curta – nada é armazenado, compartilhado ou usado para treinamento.
