HangulWeb family — 7 free web apps that process files in your browser
Seven free web apps for documents, spreadsheets, slides, images, PDF and media. Every app processes files inside your web browser, so files are never uploaded to a server. No installation or sign-up is needed, and each app can be installed to work offline.
HangulWeb
Open Korean Hangul documents (.hwp, .hwpx) in your web browser without installing Hangul, edit them and save as HWP, HWPX, DOCX or PDF. No sign-up; documents never leave your browser.
WordWeb
Open, edit and save Word documents (.docx) in your browser without installing anything. Also saves to HWP, HWPX and PDF. Documents never leave your browser.
CellWeb
Open and edit .xlsx, .xls and CSV spreadsheets in your browser and save as .xlsx. Calculates 503 Excel functions. Files never leave your browser.
SlideWeb
Open, edit and save PowerPoint (.pptx) files in your browser, run slide shows and print to PDF. No installation or sign-up; files never leave your browser.
ImageWeb
Compress photos, convert iPhone HEIC to JPG, resize and crop images in your browser. Batch processing with ZIP download; photos never leave your browser.
PDFWeb
Merge, split and compress PDFs, convert HWP, Word, Excel and images to and from PDF, edit, sign and password-protect PDFs in your browser. Files never leave your browser.
MediaWeb
Extract audio from video (MP4 to MP3), convert video formats, compress videos and make GIFs in your browser. Files never leave your browser.