offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers

Sprite Sheet Packer

Upload image assets and pack them into an efficient sprite sheet. Configure padding, preview the final layout, and export JSON frame data for game engines or CSS sprites.

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

Sprite images

Upload PNG, JPG, or SVG assets to pack into a single sheet.

Padding (px)

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.