Document guides
Practical know-how for opening, converting and safely sharing documents.
HWP · 2026-10-01
3 ways to open Hangul HWP files on PC and mobile without installing anything
How to open HWP files without Hancom Office: browser viewers, Hancom's free viewer and mobile apps, compared by situation.
HWP · 2026-10-02
Government HWP documents look broken? How to fix fonts and layout
Why official HWP documents show overlapping text, shifted tables or boxes instead of characters, and how to fix it with fonts, substitutes and text extraction.
Security · 2026-10-03
Why free online document viewers can put confidential files at risk, and how client-side rendering helps
The security risks of upload-based conversion sites, why client-side rendering is safer and how to check it yourself.
Excel · 2026-10-04
Excel file too large to open? Fixes and CSV conversion tips
Why large Excel files freeze, how to reduce file size, the row limit and practical tips for splitting data into CSV.
Word · 2026-10-05
How to convert Word DOCX to PDF and print without breaking the layout
Settings that keep fonts, tables and pages intact when turning a Word document into PDF, and how to save as PDF without Word.
Careers · 2026-10-06
Character and byte limits for Korean cover letters and public-sector applications, explained
Characters with and without spaces, UTF-8 versus Korean 2-byte counting, and how line breaks count, with examples.
HWP · 2026-10-07
How to open HWP files on iPhone and Galaxy phones (KakaoTalk and email attachments)
How to read HWP attachments received by KakaoTalk or email on your phone, and where to find the downloaded files.
Excel · 2026-10-08
Why Korean text breaks in CSV files, and 4 ways to fix it in Excel
Why Korean text in CSV files turns into gibberish in Excel (UTF-8, EUC-KR and the BOM), and how to fix it in each situation.
Excel · 2026-10-09
How to turn Excel data into JSON: a data format primer for non-developers
What JSON is, how an Excel table maps to JSON and what to watch for when converting, explained with examples.
PDF · 2026-10-10
Extracting text from scanned PDFs: free OCR options and pitfalls
Why you cannot copy text from scanned PDFs, how to run free OCR with tools built into Windows, macOS and phones, and how to improve accuracy.
Basics · 2026-10-11
HWP, HWPX, DOCX, PDF, CSV and more: a guide to document file types and when to use each
The features and differences of common document formats, and how to choose the right one for submitting, sharing and archiving.
Basics · 2026-10-12
How to copy and paste document text cleanly (removing formatting and fixing line breaks)
What to do when text copied from HWP, PDF or Word pastes strangely: pasting without formatting and fixing broken line breaks.
Careers · 2026-10-13
Fitting a cover letter to the length limit: how to cut and expand sentences
How to cut text without losing content when you are over the limit, and how to expand it with substance when you are short, with examples.
Security · 2026-10-14
Personal data checklist before sharing documents: how to mask ID and phone numbers
The personal data to check before sending or posting business documents, the right way to mask it and common mistakes.
Basics · 2026-10-15
Working with Hangul HWP and Office documents on a MacBook or Chromebook
Practical ways to open, edit and convert HWP, DOCX and XLSX files outside Windows, and what to watch out for.