Sometimes you receive a PDF form that you need to fill in and resubmit as an editable HWP file — the native format of Hancom's Hangul word processor, widely used by Korean government agencies and institutions. This guide covers how to convert a PDF into an editable HWP document.
When you need to convert PDF to HWP
- A government or school form was only distributed as a PDF, but you need to fill it in and resubmit it as a Hangul file
- You lost the original HWP file and only have a PDF copy left to recover it from
- You need to turn a scanned contract into an editable document
How to convert a PDF to HWP with Dagochim
- Open the PDF to HWP tool.
- Drag your PDF in.
- If the PDF has real selectable text, that text is extracted directly. If it's a scanned image, OCR (text recognition) builds the document instead.
- Download the resulting HWP file and open it in Hancom Office or a compatible viewer to check it.
Text-based PDFs vs. scanned PDFs: different results
A PDF with selectable text (one saved directly to PDF from Word or Hangul) converts very close to the original — text and line breaks carry over faithfully.
Scanned image PDFs go through OCR (text recognition), so accuracy isn't 100%. Unusual fonts or low scan quality can cause some characters to be misread. Always read through the whole result and fix anything wrong after converting.
Alternatives
If you have Hancom Office, some versions let you open a PDF directly through File > Import in the Hangul program itself. Table and image placement can still shift depending on the PDF's structure, though.
Plenty of upload-based online converters exist too, but for anything containing personal information — applications, contracts — a method that doesn't require uploading is the safer choice.
Common problems
- Tables or line spacing shift: PDF is fundamentally a "fixed layout" format, so converting it back into an editable document won't always reproduce it 100% exactly. Documents with complex tables especially may need their borders tidied up after conversion.
- Korean text looks garbled: low scan quality or handwriting-like fonts reduce OCR accuracy. Convert from the clearest scan you can.
- Large PDFs take a while: more pages or higher-resolution scanned images mean longer OCR processing time.
Is my data safe?
Yes. Dagochim's PDF-to-HWP tool never sends your document to a server — text extraction and OCR both run inside your browser. Only the language data needed for OCR is downloaded once from outside; your document's actual content is never transmitted.
What to double-check after converting
Once conversion finishes, check numbers, dates, and amounts first — anything where a mistake actually matters. OCR sometimes confuses characters that look similar (0 and O, 1 and l, for example), so for anything important, give that a careful second look.
When this approach makes sense
If an agency asked you to "submit as a Hangul file" and all you have is a PDF form, this is the fastest fix. Application forms with blanks to fill in especially benefit — convert to HWP, then use the Hangul program's table-editing tools to clean things up.
Tips for better conversion quality
- Use the highest-resolution PDF you can. A blurry scan hurts OCR accuracy.
- A skewed/crooked scan also lowers accuracy. Keep the document flat and straight when scanning.
- Handwritten sections are read less reliably by OCR than printed text, so it's safer to manually retype handwritten parts after conversion.
Need to go the other way?
If you already have an HWP file and just need a PDF copy, use the HWP Viewer & HWP to PDF tool instead — the two tools handle opposite directions of the same conversion.
It's also a good habit to compare page counts before and after conversion. OCR occasionally drops a blank page or cover sheet, so checking that the original PDF's page count matches the converted HWP's page count catches that right away. If it's a form you'll need repeatedly, convert it once, clean up the blank template, and save it separately as something like "form_blank.hwp" so you don't have to redo the conversion next time.
Who typically needs this conversion
This mostly comes up for people filling out Korean administrative paperwork: job applications, visa or residency forms, school enrollment documents, and government forms that were distributed as PDF but need to be returned as an editable Hangul file. If you're not based in Korea but work with Korean institutions remotely, this conversion is often the only practical way to fill in a form properly rather than trying to annotate a flat PDF.
A quick sanity check before you submit
Before sending off a converted HWP file, open it once in a viewer and skim every section, not just the parts you edited. OCR-based conversions in particular can occasionally merge two lines together or drop a character at a line break, and these small errors are easy to miss if you only check the fields you personally filled in.
Fonts after conversion
Once you open the converted HWP file, the font may not exactly match the original PDF's font, especially if that font isn't commonly installed. This usually isn't a problem for a form you're about to fill in and resubmit, but if you need the document to look visually identical to the source, pick a comparable installed font manually after conversion rather than assuming it carried over automatically.
Saving time on recurring forms
If a particular government or school form comes up repeatedly in your life (an annual renewal, a recurring enrollment form, and so on), converting it once and keeping a clean blank copy saves you from redoing this conversion every single time the same document shows up in your inbox as a PDF.
Frequently asked questions
Can a scanned PDF be converted to HWP too?
Yes, through OCR (text recognition). Accuracy depends on scan quality, so always review the result afterward.
Will tables survive the conversion intact?
Simple tables usually carry over well. Complex tables with lots of merged cells may need their borders and spacing cleaned up afterward.
What do I need to open the converted HWP file?
Hancom Office or the free Hancom Office Viewer can open it. For a quick look, Dagochim's HWP viewer tool works directly in the browser too.