To compress files into a ZIP, drop your files — or a whole folder — in below, pick the compression level, and download the .zip. Free, in your browser, nothing uploaded.
Bundle attachments, shrink documents for email, or archive a project folder with its structure intact. No sign-up, no size games.
or use the buttons below
Any file type — subfolders are kept in the archive🔒 Files never leave your device
Drop them in — subfolders and structure are preserved.
Normal for everyday use, Maximum for the smallest file.
Click Create ZIP and save the archive.
ZIP is the universal way to bundle many files into one and shrink them at the same time — for email attachments, uploads, backups and tidy hand-offs. PDFNest builds the archive entirely in your browser: files are read and compressed on your device, so even confidential documents never get uploaded.
Compression works by finding repetition. Text-heavy files — documents, spreadsheets, CSVs, code, logs — often shrink by 50–90%. Already-compressed formats — JPG photos, MP4 video, MP3 audio and most PDFs — barely shrink at all, because their repetition has already been squeezed out. Zipping them still helps, though: you get one tidy file instead of twenty attachments. If the goal is smaller photos rather than one bundle, Compress Image is the sharper tool; for a bulky PDF it's Compress PDF.
Drop your files or a folder in above, pick a compression level, and download the .zip. It's built in your browser — nothing uploaded.
Yes — drag the folder in (or use "Choose a folder") and its full structure, subfolders included, goes into the archive.
Text and documents often shrink 50–90%; photos, video and other compressed formats barely change.
Yes — everything is read and compressed locally and never uploaded.