About GongsiMap Tools

GongsiMap Tools is a free collection of utilities run by the team behind GongsiMap (www.gongsimap.com), a Korean and US stock disclosure service.

Every tool runs inside your browser. Files are never uploaded, so you can convert work documents or personal photos without sending them anywhere.

Accuracy comes first. For example, when converting CSV to Excel, ZIP codes with leading zeros and numbers longer than 15 digits stay text so they aren't damaged.

No sign-up, no install and no usage limits.