100KB Extension v1.1.1: Compress & resize files in 0ms directly in Google Chrome
100kb.in 的诞生是为了解决一个普遍存在的问题：在不影响个人安全的情况下，为政府门户调整文件大小非常困难。
我们认为隐私是一项基本权利。我们的工具让每个人都能无缝满足严格的文件大小限制，同时保证您的敏感文件永远不会上传到互联网。
Lead Systems Engineer & Maintainer
West Bengal, India
Abhishek is a systems engineer specializing in WebAssembly compilation, browser-sandboxed graphics pipelines, and zero-server privacy architectures. He created 100kb.in to eliminate the security risk of uploading sensitive identity cards, tax forms, and biometric signatures to untrusted cloud servers just to meet restrictive government portal upload limits.
Every document guideline, image dimension constraint, and file size requirement published on 100kb.in is manually audited directly from official government gazettes, immigration brochures, and recruitment notification portals (including USCIS, UKVI, IRCC, UPSC, SSC, and NSDL). When application requirements change, our engineering team immediately updates the client-side presets and validation matrices.
Unlike conventional online PDF and photo converters that upload your confidential files to remote cloud storage or third-party servers, 100kb.in executes 100% of compression, image resizing, and PDF restructuring inside your device's browser memory sandbox using WebAssembly and HTML5 Canvas. Your documents, signatures, and biometric photos never leave your device.
我们的工具利用 WebAssembly 和原生浏览器 API 完全在您的设备上处理您的文件。您的照片和 PDF 从不离开您的浏览器。
我们的指南直接研究自官方政府门户（USCIS、UKVI 等）。我们持续监控更新以确保正确的文件限制。
由于文件从不上传，因此没有数据库可被黑客攻击，也没有文件需要删除。关闭标签页后，所有处理过的数据将立即被清除。
我们利用开源且经过实战考验的库（如 FFmpeg.wasm 和 PDF-lib）来提供工具，确保通过社区审计的安全代码库。
100kb.in operates as an independent technical utility developed and maintained in West Bengal, India. For technical questions, bug reports, portal guideline corrections, or developer licensing inquiries, contact us directly at info@100kb.in. We review all technical queries within 24–48 hours.