fasttool / image studio

THE RIGHT FORMAT. NOTHING EXTRA.

Your images.
Ready for anywhere.

PNG, JPG or WebP. Convert a whole batch, keep the details that matter, and see exactly what you’re downloading.

01 / YOUR IMAGES

A better place to drop your files.

0 / 12

Same image. A format that fits.

Keep transparency in PNG or WebP.
Choose the background before making a JPG.

    PNG

    Logos, screenshots, clean edges.

    A lossless pixel format that can keep transparent backgrounds. It may be larger than the original. Conversion cannot add detail that wasn’t there.

    JPG

    Photos that work almost anywhere.

    Smaller photo files with adjustable quality. A solid background replaces transparency. Preview that background before sharing.

    WebP

    Compact images for websites.

    Adjustable quality with transparency support. Available only when your browser can produce and verify real WebP bytes.

    Clear limits. No surprises.

    What can I convert?

    Up to 12 still JPG, PNG or WebP files. Each input must be at most 25 MiB and 80 megapixels, with 100 MiB total input. HEIC, AVIF, SVG, GIF, animated PNG and animated WebP are not supported. Rename tricks do not change a file’s format.

    Are my files uploaded or kept?

    No image bytes or filenames are sent away. Files and previews remain in this tab until you clear them or leave. Downloads are saved by your browser. This tool does not create a cloud copy.

    What happens to metadata and colour profiles?

    Each output is re-encoded from decoded pixels; source EXIF, GPS and comments are not deliberately copied. This is not a forensic anonymization tool. Colour profiles, HDR and original metadata are not guaranteed to survive, and browser colour rendering can differ. Visible personal information inside an image remains visible.

    How are downloads checked?

    Before a file becomes downloadable, its actual format and dimensions are verified by reopening it. ZIPs include only successful outputs and are reopened with CRC checks. Maximum output is 64 MiB per image and 128 MiB per batch; if a limit is reached, that file reports an error instead of a misleading success.

    Need an image under 100 KB instead?

    This tool changes image format and optional maximum dimensions. For a strict upload-size limit, use the image compressor. For a document made from your photos, use Images to PDF (preview).