Convert iPhone HEIC Photos to PDF Free Online (No Upload)

Why HEIC Causes Problems

HEIC is Apple's default photo format since iOS 11. On an iPhone, it saves roughly 2–3 MB per photo versus 4–6 MB for JPEG at comparable quality — a meaningful saving when you have thousands of photos. But the format wasn't designed for document workflows, and the compatibility gaps show up fast:

Government portals reject HEIC

Visa applications (VFS, CKGS, TLScontact), income tax portals, and most Indian government e-services accept JPG, PNG, or PDF — not HEIC. Uploading a HEIC file usually produces a silent error or a cryptic "unsupported format" message.

Windows can't open HEIC by default

Windows 10 and 11 require a separate codec pack from the Microsoft Store to open HEIC files. Many corporate laptops and government office computers don't have it installed — meaning your photos appear as blank icons.

Banks and employers want PDF

When a bank asks for a scanned copy of your passport or ID, or an employer requests address proof, they almost always want a single PDF rather than individual image files. Converting multiple HEIC photos into one PDF saves back-and-forth.

Email clients strip or block HEIC

Several corporate email servers filter attachments by MIME type. HEIC files sent as attachments may arrive empty or blocked entirely. Sending as PDF eliminates the compatibility risk.

How to Convert HEIC to PDF (Step by Step)

The tool runs entirely in your browser using a WebAssembly HEIC decoder. No account, no server, no upload. Up to 20 files per session.

1
Open the HEIC to PDF tool
Go to pdfmavericks.com/heic-to-pdf. No login needed. The tool loads in a few seconds.
2
Drop your HEIC files
Drag and drop photos from your desktop or file manager, or click the upload zone to browse. The tool accepts HEIC, HEIF, JPG, PNG, and WebP — you can mix formats freely. Preview thumbnails appear within a few seconds per photo (HEIC decode takes a moment).
3
Reorder and rotate
Drag photo cards into the sequence you want in the PDF — passport front first, then back, then visa page, for example. Use the rotate button on any card to correct orientation. Each click rotates 90° clockwise.
4
Set quality and page size
The quality slider (50–100%) controls JPEG compression of embedded images. Default 85% is suitable for most document submissions. Choose Auto, A4, or Letter for page size — Auto uses the photo's native dimensions, while A4/Letter scales to fit.
5
Download the PDF
Click "Convert photos to PDF." The browser assembles the PDF using pdf-lib, then downloads it automatically. The file is named with a timestamp (e.g. pdfmavericks_heic_1714387200000.pdf).

Convert HEIC to PDF Free

Common Use Cases

HEIC-to-PDF conversion comes up in specific, recurring situations. Here are the ones most people run into:

Visa applications

VFS Global (which processes UK, Schengen, US, and Canadian visas for most Indian applicants) requires supporting documents — passport copies, bank statements, photographs — in PDF or JPG format. When you photograph your documents on an iPhone and get HEIC files, converting to a single PDF before upload saves the rejection step.

Property document submissions

Rent agreements, utility bills, and NOC letters photographed on an iPhone need to reach landlords, employers, or housing societies as PDFs. Multiple pages in one file makes it easier to track and share than sending 6 separate image attachments.

Scanned receipts for reimbursement

Most expense management tools (SAP Concur, Zoho Expense, corporate HR portals) accept PDF uploads. Converting a stack of iPhone receipt photos — restaurant bills, cab receipts, hotel folios — into a single PDF simplifies the claim submission.

KYC and bank onboarding

Bank account openings, insurance policy updates, and demat account KYC all require ID proof documents in PDF. The HEIC files from your iPhone camera roll convert cleanly — ID front, ID back, selfie with document — into a submission-ready PDF in under a minute.

Quality and Page Size Settings

Two settings matter for the output PDF: image quality and page size. Here's when to change the defaults:

Quality 70%

Small file

Produces smaller files — useful when a portal has a 1 MB or 2 MB size limit. Text in photos remains legible. Some fine detail in photos is lost but usually acceptable for document review.

Quality 85% (default)

Recommended

Good for most submissions. Clear text, sharp edges on IDs and documents, reasonable file size. A 4-photo PDF at 85% is typically 2–4 MB.

Quality 95–100%

Max fidelity

Use for medical images, legal documents where fine print must be legible at full zoom, or when the PDF will be printed. File sizes are larger — 5–15 MB per photo at 100%.

Page size: Auto vs A4 vs Letter

Auto — page dimensions match the photo exactly. Best for sharing or archiving where you want the full resolution.
A4 — 210 × 297 mm. Standard for India, UK, EU, Australia. Use for government and bank submissions in these regions.
Letter — 8.5 × 11 inches. US standard. Use for US visa applications, US employer onboarding, or any form that specifies Letter size.

Why No-Upload Matters

Most HEIC-to-PDF tools on the web — including Smallpdf, CloudConvert, Adobe, and PDF24 — send your files to their servers for processing. For everyday photos this is fine. For the documents people most commonly need to convert (passport copies, Aadhaar cards, bank account photos, PAN cards, salary slips), it creates a real risk.

PDF Mavericks uses a WebAssembly build of the heic2any library that runs inside your browser tab. The HEIC decode happens on your CPU — nothing is transmitted. The resulting PDF is assembled by pdf-lib, also running locally, and downloaded directly to your device. No data touches our servers or any third-party server.

The HEIC decoder and PDF assembler both run in your browser. Your photos are never uploaded.

This matters most for ID documents. Once a photo of your passport or Aadhaar is on a third-party server, you have no control over how long it's retained, whether it's encrypted, or whether it's sold to data brokers. The browser-local approach eliminates that exposure entirely.

Frequently Asked Questions

What is HEIC and why does my iPhone save photos in that format?

HEIC (High Efficiency Image Container) is a file format Apple adopted in iOS 11, released September 2017. It uses the HEVC codec to compress photos roughly 50% smaller than JPEG at equivalent visual quality. iPhones default to HEIC because it saves storage — a 12MP HEIC photo is typically 2–3 MB versus 4–6 MB for the same shot in JPEG. The tradeoff is compatibility: older software, Windows without a codec pack, and many web forms don't accept HEIC files.

Does converting HEIC to PDF upload my photos to a server?

No. PDF Mavericks uses a WebAssembly-based HEIC decoder (heic2any) that runs entirely in your browser. Your photos never leave your device. This matters for photos of passports, bank statements, property documents, or anything you wouldn't want on a third-party server.

Can I combine multiple HEIC photos into one PDF?

Yes. Drop up to 20 files at once — HEIC, HEIF, JPG, PNG, or WebP. Reorder them by dragging thumbnails or using the arrow buttons. Each photo becomes one page in the final PDF, in the order you set.

What page size should I choose?

Auto mode creates each PDF page at the exact pixel dimensions of the photo — good for sharing. A4 (210 × 297 mm) is the standard for document submissions in India, Europe, and most of Asia. Letter (8.5 × 11 inches) is the US standard. Both A4 and Letter modes scale the photo to fit the page while preserving the aspect ratio.

What quality setting should I use?

The default 85% quality is a good balance for most submissions — sharp enough for document review, small enough to email. If you need maximum sharpness (medical images, legal documents), use 95–100%. For quick sharing where file size matters, 70% is still visually clean. The quality slider controls JPEG compression of the embedded image.

My PDF was rejected by a visa application portal. What should I do?

Most visa portals have file size limits (typically 1–5 MB) and require PDF format. If the file is too large, lower the quality slider to 70% or split into multiple PDFs (one per document). If the portal still rejects it, compress the output PDF using the PDF Mavericks compress tool after conversion.

Can I rotate photos before converting?

Yes. Each photo card has a rotate button that turns it 90° clockwise per click. Useful for photos taken in landscape orientation that need to be portrait for a document scan.

Convert your iPhone photos to PDF

Drop up to 20 HEIC files, reorder, adjust quality, download as PDF. Runs in your browser — nothing uploaded.

Open HEIC to PDF Tool