Free document tools
Every tool runs entirely in your browser. No install, no sign-up.
Open HWP & HWPX files instantly
View them in your browser, no Hancom Office needed.
Microsoft Word (DOCX) web viewer
Preview DOCX documents with near-original layout on any device, no Word installation required.
Excel (XLSX · XLS · CSV) grid viewer
An Excel-like grid, no Excel required.
Fast in-browser PDF viewer
Page through, zoom and copy text from PDFs without heavy software.
Open PowerPoint (PPTX) files instantly
See every slide without PowerPoint.
Extract text from HWP files
Pull plain text out of HWP (and DOCX, PDF, Excel) and download it as .txt.
Convert Excel / CSV to JSON
Instantly convert sheets into an array of objects or a 2D array.
Character, space & byte counter
Characters with/without spaces and bytes, in real time.
Auto-mask personal data in documents
Automatically find and mask resident numbers, phone numbers, emails and card numbers.
CSV viewer with automatic encoding detection
Auto-detects UTF-8 / EUC-KR so Korean text never breaks.
TXT & Markdown (MD) viewer
Render README.md and plain text notes beautifully, with encoding detection.