SCT to WEBP Converter

Change SCT format to WEBP with our free tool

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Server-Side Processing

Conversion happens entirely on Convertio's servers. Your device stays responsive while SCT data is transformed into WEBP in the cloud.

Zero Install

Run the entire SCT to WEBP conversion in your web browser. No downloads, plugins, or system requirements beyond an internet connection.

Rapid Conversion

Processing SCT to WEBP is swift — most conversions finish in moments, so you spend less time waiting and more time working.

How to convert SCT to WEBP

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose webp or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your webp file right afterwards

About formats

SCT (Scitex Continuous Tone) is a high-end raster image format developed by Scitex Corporation for their prepress and color reproduction systems, with the HandShake format specification dating to 1988. Scitex, an Israeli company founded in 1968, was a pioneer in electronic prepress — their systems were used by major publishers, packaging companies, and advertising agencies to perform color separation, retouching, and page composition for high-quality print production. SCT files store images in CMYK color mode at 8 bits per channel (32 bits per pixel), with the color channels arranged in a band-interleaved-by-line format optimized for the scanline-based processing of Scitex's proprietary hardware. The format uses no compression, prioritizing direct access and processing speed over file size on the dedicated workstations where these files were used. SCT images were typically very large — high-resolution drum scans of transparencies and prints at resolutions of 300 dpi or higher for print-ready output. One advantage is print production heritage: SCT files represent some of the highest-quality digital prepress work of their era, scanned and color-corrected by expert operators on hardware that cost hundreds of thousands of dollars, making them valuable primary sources for reprinting and archival of commercial print work from the 1980s and 1990s. Adobe Photoshop has long supported SCT files for import, and the format can also be read by ImageMagick, XnView, and other tools with prepress format support.
Developer: Scitex Corporation
Initial release: 1988
WebP is an image format developed by Google, announced on September 30, 2010, designed to provide superior compression for web images in both lossy and lossless modes. The lossy mode is derived from the VP8 video codec's intra-frame coding (the same technology used in WebM video), applying block prediction, transform coding, and adaptive quantization to photographic content. The lossless mode uses a distinct algorithm combining predictive coding, color space transforms, backward reference to repeated pixel patterns, and entropy coding. WebP also supports alpha transparency in both modes — lossy WebP with transparency is unique among common web formats, offering semi-transparent images at much smaller sizes than PNG. The format supports animated sequences as well, providing a modern alternative to GIF with full-color support and dramatically better compression. One advantage is substantial file size reduction — lossy WebP produces images 25-35% smaller than JPEG at equivalent visual quality, and lossless WebP is typically 26% smaller than PNG, directly improving web page loading speed and reducing bandwidth costs. Universal browser support provides another key strength: Chrome, Firefox, Safari, Edge, and all mobile browsers now render WebP natively, achieving the broad adoption threshold needed for practical deployment. Google's core web infrastructure (Search, YouTube thumbnails, Gmail) uses WebP extensively, and the format is supported by major CDN platforms, CMS systems, and image processing services. WebP has established itself as the primary modern alternative to JPEG and PNG for web content.
Developer: Google
Initial release: September 30, 2010

Frequently Asked Questions

Why convert SCT to WEBP?

SCT is a specialized prepress format from Scitex with almost no support outside print production. WEBP makes the image universally accessible.

What programs open WEBP files?

WEBP files can be opened in Chrome, Firefox, Edge, Safari, Photoshop, GIMP, and all modern web browsers.

What platforms support this converter?

Convertio runs in any modern web browser — Chrome, Firefox, Safari, Edge — on Windows, macOS, Linux, Android, and iOS devices.

Can I convert multiple SCT data at once?

Yes — Convertio supports batch uploads. Queue several SCT inputs and convert them all to WEBP in a single session to save time.

Is the conversion process fast?

Yes — SCT to WEBP conversion on Convertio usually completes in seconds. Cloud-based processing handles the work without taxing your device.

What makes WEBP a good target format?

WEBP offers modern web format, excellent compression, transparency and animation. It gives your raw SCT data a proper structure that any image viewer or editor can handle.