From one independent developer's simple idea in 2012 to serving Chinese families spread across the world today. This is the road Kzwr has travelled over 14 years.
We decided to do one thing well: store and share files. The first release was as plain as it gets — upload, download, make a link. No funding, no team, just one server and one idea: make sending a file a little bit easier.
Word spread quietly through overseas Chinese communities. Students sent packing lists to their parents, a family in Australia shared photo albums with a brother in Hong Kong, an engineer in Germany sent contracts home to be signed. From then on, crossing borders was what the product was really for.
Our users were in mainland China, Hong Kong, Taiwan, North America, Europe and Australia. So we added Simplified Chinese, Traditional Chinese, English, German, French and Spanish — so every member of a family could use their own language instead of asking their children to translate.
Seven years of accumulation had made the product slow. We spent an entire year quietly rebuilding its foundations — none of it visible to users, but every feature since has been faster and steadier for it. A hard fight that nobody applauded.
As we grew, we put our privacy policy and terms of service in order, with a plain commitment: we will never read, alter or sell any user data. That is not just a legal document — it is a public statement about the trust placed in us. The same year, the mobile experience got its first thorough overhaul.
The files page was redesigned from scratch. Images open right where you are; video handles multiple audio tracks and subtitles and plays smoothly — parents finally stopped having to download first and open second. That year folders also gained move-and-organise, and we began building the paid plans for families who needed more room.
The per-file limit rose to 10 GB: HD wedding videos, 4K home recordings, a full photo shoot — sent in one go. Uploads got faster and steadier, and resume where they left off if the connection drops. The recycle bin was overhauled, giving accidentally deleted files a 30-day grace period. Office documents and PDFs became readable in the browser without downloading.
We redesigned how the product looks: warmer colours, a clearer layout and a new brand mark. Alipay and PayPal checkout were polished end to end, and email sign-up and password recovery were rebuilt. In May, an interface designed for phones went live — managing files on a phone finally feels like using a real app.
Ten thousand kilometres, one link.