# Experimenting with the proposed Cross-Origin Storage API in Transformers.js

DevFeed: [Experimenting with the proposed Cross-Origin Storage API in Transformers.js](<https://devfeed.tech/articles/experimenting-with-the-proposed-cross-origin-storage-api-in-transformers-js-7152.md>)

Original publisher: [Read original article](<https://huggingface.co/blog/cross-origin-storage>)

Author: Thomas Steiner

Published: 2026-06-23T00:00:00Z

Content type: tutorial

Language: en

Sources: [Hugging Face - Blog](<https://devfeed.tech/sources/hugging-face-blog.md>)

Topics: [AI, ML & Data Engineering](<https://devfeed.tech/topics/ai-ml-data-engineering.md>)

Tags: [ai-models](<https://devfeed.tech/tags/ai-models.md>), [announcement](<https://devfeed.tech/tags/announcement.md>), [api](<https://devfeed.tech/tags/api.md>), [artificial-intelligence](<https://devfeed.tech/tags/artificial-intelligence.md>), [asr](<https://devfeed.tech/tags/asr.md>), [browser](<https://devfeed.tech/tags/browser.md>), [cache](<https://devfeed.tech/tags/cache.md>), [chrome](<https://devfeed.tech/tags/chrome.md>), [chrome-extension](<https://devfeed.tech/tags/chrome-extension.md>), [cos](<https://devfeed.tech/tags/cos.md>), [cross-origin-storage](<https://devfeed.tech/tags/cross-origin-storage.md>), [inference](<https://devfeed.tech/tags/inference.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [on-device](<https://devfeed.tech/tags/on-device.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [storage](<https://devfeed.tech/tags/storage.md>), [transformers](<https://devfeed.tech/tags/transformers.md>), [transformers-js](<https://devfeed.tech/tags/transformers-js.md>), [wasm](<https://devfeed.tech/tags/wasm.md>), [web](<https://devfeed.tech/tags/web.md>), [web-apps](<https://devfeed.tech/tags/web-apps.md>), [web-developers](<https://devfeed.tech/tags/web-developers.md>), [web-standards](<https://devfeed.tech/tags/web-standards.md>), [webassembly](<https://devfeed.tech/tags/webassembly.md>)

## AI overview

A tutorial that uses Transformers.js browser inference examples to examine duplicate model and WebAssembly downloads across origins and the proposed Cross-Origin Storage API.

## Source excerpt

We're on a journey to advance and democratize artificial intelligence through open source and open science.