Guides — file conversion how-tos

How to Open an HWP File Without Hancom Office (Mac, iPhone, Windows)

HWP and HWPX are Korean Hangul documents that Word and Mac can't open. Here's how to open or convert them to PDF for free on any device.

How to Convert iPhone HEIC Photos to JPG (Free, Batch)

iPhone photos are saved as HEIC, which many Windows apps and websites reject. Convert HEIC to JPG in your browser, or set your iPhone to shoot JPG.

How to Split a PDF — Separate Pages or Extract a Range (Free)

Split a PDF into single pages or save only the pages you need as a new PDF. No install, no upload — right in your browser.

How to Combine Photos Into One PDF (Free, Any Order)

Turn receipts, ID scans and document photos into a single PDF in the order you choose. Works with JPG, PNG and HEIC — and you can mix in PDFs and HWP files.

JPG vs PNG — Which Image Format Should You Use?

The real differences between JPG and PNG — compression, transparency, file size and quality — and which to pick for photos, screenshots and logos.

How to Open WEBP Files and Save Them as JPG or PNG

Saved an image from the web and got a .webp file that won't open or upload? Here's how to open WEBP and convert it to JPG or PNG.

How to Open HEIC Files on Windows (iPhone Photos)

iPhone HEIC photos won't open on Windows? Here's how to view them and how to convert them to JPG without installing anything.

How to Make a Favicon (favicon.ico) From a PNG Logo

Create the small icon shown in browser tabs from your PNG logo, plus the exact HTML to add it to your site.

How to Convert HWP to Word (DOCX) Without Hancom Office

Move the content of a Korean HWP document into Microsoft Word without the Hangul app — text extraction, PDF-to-Word, and the Hancom route.

How to Turn Phone Photos of Documents Into One PDF (Scan to PDF)

Photograph contracts, certificates or receipts with your phone and submit them as one clean PDF — capture tips, A4 sizing and page order.

How to Open HWP Files on iPhone and iPad

Got a Korean HWP attachment in KakaoTalk or Mail that your iPhone won't preview? Convert it to PDF in Safari, or open it directly with the AnyView app.

How to Open HWP Files on Android (Galaxy, Tablets)

Can't open a Korean HWP or HWPX file on your Android phone or tablet? Convert it to PDF in Chrome with no app install, or use Hancom's viewer app.

How to Open HWP Files on a Mac Without Hancom Office

Mac Preview and Pages can't open Korean HWP files. Here's how to convert HWP to PDF in your browser on a MacBook or iMac, plus the Hancom-for-Mac option.

HWP vs HWPX — What's the Difference?

Why Korean Hangul documents come as both .hwp and .hwpx: binary vs XML structure, compatibility, the public-sector shift, and how to open either one.

How to Save an HWP File as an Image (JPG or PNG)

Turn Korean HWP document pages into JPG or PNG images for KakaoTalk, Instagram or a blog — plus how to choose the right resolution (DPI).

How to Print an HWP File Without Hangul (Hancom)

No Hangul on the computer next to the printer? Convert the HWP to PDF and print it at actual size so Korean forms keep their layout.

Korean Government HWP Forms Abroad — How to Open and Submit

Expats, students and foreigners often get HWP forms from Korean embassies, government offices or schools. Here's how to read, fill in and submit them without Hangul.

How to Copy Text from an HWP File (for Translation or AI)

Extract the text from a Korean HWP document without Hangul, then paste it into a translator, ChatGPT or Claude — plus what happens to tables and images.

How to Merge Multiple HWP Files into One PDF

Combine several Korean HWP documents — plus PDFs and photos — into a single PDF without Hangul, in exactly the order you need.

How to Extract One Page from a PDF (Save as a New PDF)

Save a single page — or just a few pages — of a long PDF as a new file. Free, no sign-up, and nothing is uploaded: it all runs in your browser.

How to Merge PDFs on iPhone or iPad (No App Needed)

Combine several PDFs into one on iPhone or iPad using Safari. Pick files from the Files app, set the order, and save — no app install, no upload.

How to Merge PDFs on a Mac — Preview vs Browser

Two ways to combine PDFs on a Mac: the built-in Preview sidebar method and a browser-based merge. Steps, pros and cons, and which to choose.

How to Reorder PDF Pages for Free — Split, Then Merge

Put PDF pages back in the right order with a simple two-step method: split the pages, drag them into order in the file list, and merge. Runs in your browser.

Turn a PDF into Images for Instagram, KakaoTalk or a Blog

Convert slides or PDF documents to JPG images for an Instagram carousel, KakaoTalk or your blog — which DPI to pick and how to keep the slides in order.

Convert a PDF to a High-Resolution Image — DPI, PNG or JPG

Turn PDF pages into sharp, high-resolution images. Which DPI to pick (72, 96, 150, 200, 300) and when PNG beats JPG for charts, tables and text.

Combine Receipts into One PDF for Expense Reports

Turn receipt photos, scans and PDF invoices into a single PDF for your expense report — mixed files in one go, A4 pages, ordering and file-size tips.

How to Remove Pages from a PDF (Keep Only What You Need)

Delete blank, ad or unwanted pages from a PDF by extracting only the pages you keep, then merging the pieces back into one file. Free, no upload.

Convert PDF to Images Free — No Upload, Safe for Private Files

Convert confidential PDFs — contracts, payslips, medical records — to JPG or PNG without uploading them. Why in-browser conversion matters, how to verify it, and its limits.

HEIC vs JPG — What's the Difference and Should You Convert?

HEIC is the iPhone's default photo format. Here's how it compares to JPG on compression, quality and compatibility, and when to keep or convert it.

WebP vs JPG vs PNG — Best Image Format for Websites

Choosing between WebP, JPG and PNG for a website, blog or online store? Compare file size, transparency, quality and browser support, with picks by use case.

What Is an AVIF File? How to Open and Convert It to JPG

Downloaded an image and got a .avif file? Learn what AVIF is, its pros and cons, how to open it, and how to convert AVIF to JPG or PNG in your browser.

How to Reduce Image File Size for Email or Upload Limits

Hit an attachment or upload size limit? Shrink images by switching format (PNG to JPG, JPG to WebP or AVIF) and lowering quality — free, in your browser.

Why Your Transparent PNG Background Turns White or Black

Converted or uploaded a transparent PNG and the background turned white or black? Here's why (JPG has no transparency) and how to keep it transparent.

Convert SVG to High-Resolution PNG (Up to 8× Scale)

Turn SVG logos and icons into sharp, high-resolution PNGs for slides, documents and social media — choose 1–8× scale, keep transparency, avoid font issues.

Convert Scanned TIFF Files to JPG or PDF

Scanner TIFF (.tif) files too big to email or won't open? Convert them to compact JPGs or a single PDF in your browser — plus the multi-page TIFF caveat.

How to Turn iPhone Photos into a PDF (No App Needed)

Combine iPhone photos (HEIC) into one PDF right in Safari — no app, no JPG conversion. Step-by-step, including page order, A4 sizing and where it saves.

Convert GIF to PNG or JPG — Save a Still Image

Turn a GIF into a still PNG or JPG in your browser. Animated GIFs keep only the first frame — plus what GIF's 256-color limit means for quality.

Convert BMP to JPG or PNG — Shrink Huge Bitmap Files

BMP files from old software, Paint, lab instruments or POS systems are huge. Convert them to JPG or PNG for email and uploads — free and in your browser.