Entering the vault now...
New to Vault? Create your account above.
Files stored privately on your account — never shared, never scanned.
0 MB / 0 MB used
0 items • Private
Your vault is empty
Upload photos and videos to store them privately and securely.
Privacy-first PDF workflow
Convert and edit your files instantly — 100% private. Your files never leave your device.
Select a file — your browser converts it locally and downloads the result instantly. Nothing ever leaves your device.
Upload Files
Images, PDFs or Word docs from your device
Browser Converts
100% on-device — zero server contact
Download PDF
Instantly saved directly to your device
Convert any image to PDF — JPEG, PNG, WEBP, HEIC, GIF, BMP, TIFF, SVG.
Click to Upload Your File
or drag & drop here
No uploads • No tracking • Runs in your browser • Up to 100 MB
Higher quality = larger file size
Processing...
All processing happens inside your browser memory — nothing is ever transmitted.
You can reduce any PDF size directly in Safari on iPhone — no app required.
All processing happens inside your browser memory. Your PDF is never uploaded to any server, never stored, and never scanned. ZeroCloudPDF is the only free PDF tool that is technically impossible for us to access your files.
We built ZeroCloudPDF so it is technically impossible for us to see your files.
No Server Upload
Files are processed entirely inside your browser’s memory. They never travel over any network connection.
No Temporary Copies
We never write your files to disk or cache. Once your browser tab closes, every trace is gone permanently.
No AI Training
Your content is never used to train any AI model. What you convert stays completely private.
No Content Analysis
We cannot read your documents. No OCR, no metadata extraction — not even file names reach our servers.
No Log of Activity
We don’t track what you convert, how many pages you process, or when you use the tool.
No Metadata Harvested
EXIF data, GPS coordinates, camera info, timestamps — none of it is read, stored, or transmitted.
PDF compression reduces file size by optimizing images and removing redundant data — without noticeable quality loss. Compressed PDFs share faster over email, upload more quickly, and consume less storage. ZeroCloudPDF compresses your PDFs entirely inside your browser, so your documents never leave your device or reach any server.
Converting JPEG, PNG, WEBP, HEIC, GIF, BMP, TIFF and SVG images to PDF creates a single, universally compatible document that preserves layout across all devices. PDFs are ideal for scanned documents, photos, receipts, and contracts. Our converter supports all major image formats — including iPhone HEIC photos — and works entirely offline in your browser.
Traditional online PDF tools upload your files to remote servers — exposing sensitive documents to potential data breaches. ZeroCloudPDF processes everything locally in your browser. Your files never touch our servers, are never stored, and are never scanned by AI. It’s the safest way to handle PDFs containing confidential or personal information.
Practical guides to get the most from your PDF tools
Reduce PDF file size directly in Safari — no app needed. Select your PDF, choose “Smallest” or “Balanced” quality, tap Compress PDF. Your file downloads instantly and never leaves your device. Works on all iPhone models in iOS 14+.
Try PDF Compression →iPhone cameras save photos as HEIC by default — a format many apps and printers don’t support. ZeroCloudPDF converts HEIC to PDF directly in your browser. No app, no upload, no conversion software required. Share universally compatible PDFs in seconds.
Convert HEIC to PDF →Combine multiple PDF documents into one in seconds. Select the Merge PDF tab, upload 2+ PDFs, and click Merge & Download. Pages are combined in the order you selected. Everything happens locally — no data is sent to any server.
Merge PDFs Now →Upload multiple JPG or JPEG photos and combine them into a single PDF document. Perfect for scanned receipts, photos, and documents. Supports JPG, PNG, WEBP, GIF, BMP, TIFF, HEIC and SVG. All conversion is 100% private and happens in your browser.
Convert JPG to PDF →Convert .docx files to PDF without uploading to any server. Tables, headings, bullet points and lists are all preserved. ZeroCloudPDF uses mammoth.js to convert your Word document entirely in your browser. Works on desktop and mobile.
Convert Word to PDF →Convert any PDF to high-quality JPG or PNG images. Each page exports as a separate image file. Useful for sharing specific pages, creating thumbnails, or editing PDF content in image editors. All pages export at 2x resolution for crisp results.
PDF to Image →Need more than one-time conversion?
ZeroCloudVault gives you encrypted, permanent storage — without ever compromising your privacy. We designed a system where even we cannot access what you store. No AI training. No metadata. No exceptions.
Free to start • 25 MB included • No credit card
Encrypted. Private. Upgrade anytime.
This action cannot be undone.
Choose download quality.
This video format is not supported on this device.