How to convert HEIC to PDF online
- 1
Drop your HEIC file
Drag and drop your High Efficiency Image Container file onto the converter, or click to browse your files. You can select up to 5 at once. Nothing leaves your device — conversion happens right here in the browser.
- 2
Hit Convert — it happens locally
Click Convert and watch it go. There's no upload, no server queue, no waiting. The converter runs High Efficiency Image Container → Portable Document Format entirely in your browser tab. Most files finish in 1–3 seconds.
- 3
Download your PDF
Your Portable Document Format file is ready. Click Download, or grab a ZIP if you converted a batch. Close the tab and everything disappears — no copies kept anywhere.
HEIC vs PDF: format overview
High Efficiency Image Container
Apple (based on MPEG HEIF/ISO spec) · 2017
- Compression
- lossy
- Color depth
- 12-bit
- Transparency
- Yes
- ✓ 50% smaller than JPEG at equivalent quality
- ✓ Supports 16-bit depth and HDR
- ✗ Poor browser support
Portable Document Format
Adobe Systems (John Warnock) · 1993
- Compression
- lossless
- Transparency
- No
- ✓ Fixed layout — looks identical on every device
- ✓ Embeds fonts, images, and vector graphics
HEIC magic bytes: 00 00 00 18 66 74 79 70 68 65 69 63
PDF magic bytes: 25 50 44 46
Why convert HEIC to PDF?
When you take photos on an iPhone, they are saved as HEIC files — Apple's default format since iOS 11. That is fine for your camera roll, but the moment you need to submit those photos somewhere — an insurance claim, a property damage report, a medical intake form, a rental application — HEIC becomes a problem. Most submission portals, government forms, and email recipients on Windows machines cannot open HEIC files without installing extra software they do not have.
Converting multiple HEIC photos to a single PDF solves this in one step. The recipient gets one file, one attachment, one document they can open in Adobe Acrobat Reader, Preview, Microsoft Edge, or any browser — no installation required. PDF is the standard format for document submissions precisely because it renders identically everywhere. For insurance adjusters, property managers, lawyers, and healthcare administrators, a multi-page PDF is the expected deliverable.
Each HEIC image becomes one page in the PDF, sized to fit standard paper dimensions. The photos are embedded at high resolution, so fine detail — like a crack in a wall or text on a document — remains legible when zoomed in. File size grows proportionally with the number of images and their resolution, so a batch of ten iPhone photos typically produces a PDF between 5 and 25 MB depending on image content. For submission by email, keep batches to 5-10 photos to stay under typical attachment limits.
Quality & file size: HEIC to PDF
HEIC to PDF is effectively lossless for what you need it for: each photo is decoded and embedded in the PDF at full resolution, so fine detail — a crack in a wall, the text on a receipt, a serial number — stays sharp when the recipient zooms in. There's no re-compression of the image beyond what the HEIC already held.
The trade-off is file size. HEIC is an unusually efficient format, so a photo that's 2 MB as HEIC can land at 4–6 MB once embedded in a PDF, because PDF doesn't compress as aggressively. A batch of ten iPhone photos typically produces a 5–25 MB PDF depending on their content. If a portal caps uploads (many sit at 10 or 25 MB), split a large batch into two PDFs — or, if the recipient will accept images rather than a document, convert the photos to JPG instead.
Frequently asked questions
Privacy: how FormatDrop handles your files
Your HEIC files are converted 100% inside your browser. They are never uploaded to our servers, never stored, and never seen by anyone other than you. This isn't a privacy policy claim — it's an architectural guarantee: our server has no endpoint that receives file bytes.