JPG to PDF Converter: Free, Private, No Upload

Convert JPG files to PDF in your browser. Smaller output file, batch up to 20 files at once, no upload, no account, no watermark. Your files never leave your device.

JPG to PDF
Batch up to 20 files
No upload, no account
Metadata stripped

1Add up to 20 images
2Pick from 18 formats
3Download or copy the code

Processed on your device. Your images are never uploaded, and metadata is stripped. How we keep it private

How do I convert JPG to PDF for free?

Drop your JPG files into the tool above, choose PDF as output, and download the result. Everything runs in your browser, so nothing is uploaded and there is no limit or watermark. It works on Windows, Mac, Linux, ChromeOS, iOS and Android — anywhere you have a modern browser.

Price: Free, no credits and no daily cap
Account required: No
File uploaded to server: No, processed locally in your browser
Batch limit: Up to 20 files at once
Input format: JPG
Output format: PDF
Best for: PDF workflows, smaller files, faster sharing
Works on: Chrome, Edge, Firefox, Safari, iOS and Android browsers
Privacy: No upload, no tracking, metadata stripped
Output quality: Adjustable 1-100, defaults to 90

How to convert JPG to PDF

1
Drop your JPG files
Drag up to 20 JPG files onto the page or click to choose them. Everything runs in your browser.
2
PDF is preselected
Output is already set to PDF. Adjust quality, resize or batch if you want.
3
Download
Save each PDF, or download all of them together as a ZIP.

JPG to PDF: what changes and when it makes sense

JPG is a Joint Photographic Experts Group format. It is best known for small files for photographs and near-universal compatibility. The main drawbacks are no transparency, visible blocking at low quality, and quality that drops every re-save.

PDF is a Portable Document Format. It is best known for a fixed layout that prints and displays identically everywhere. The main drawbacks are not being an image format, so pages cannot be dropped into an img tag without rendering them first.

JPG vs PDF at a glance

Property	JPG	PDF
Type	Raster image	Container format
Compression	Lossy (DCT based, with chroma subsampling)	A container for text, vector shapes and images. Embedded photos are usually JPEG or lossless Flate
Transparency	None	Pages render on an opaque background
Animation	No	No
Colour depth	8 bits per channel (24-bit colour)	Depends on the embedded images
Support	Opens in every browser, operating system, camera, editor and print service	Opens on every device, with a built-in viewer in all major browsers
History	Created in 1992 by the Joint Photographic Experts Group and standardised as ISO/IEC 10918. It became the default image format of the early web because it offered photographic compression when storage was expensive. Still the most widely used photo format 30+ years later.	Developed by Adobe in 1993 as a way to share documents with fixed layout. Became an open ISO standard (ISO 32000) in 2008. PDF 2.0 (ISO 32000-2) was released in 2017. The most common document format for business globally.

What actually changes in this conversion

The JPG image is placed on a PDF page. The PDF is mainly a wrapper around the image.
JPG has no alpha channel, so every pixel is already opaque.
EXIF, GPS and camera data are stripped on every conversion. That is good for privacy, but you lose capture dates.

About JPG: history and technical details

Created in 1992 by the Joint Photographic Experts Group and standardised as ISO/IEC 10918. It became the default image format of the early web because it offered photographic compression when storage was expensive. Still the most widely used photo format 30+ years later.

Technical: 8x8 block Discrete Cosine Transform with 4:2:0 chroma subsampling by default. Baseline supports 8-bit per channel. Progressive loads in waves. Maximum dimensions 65,535 by 65,535 pixels. Maximum 16.7 million colours.

Real-world size: A 12-megapixel photo at quality 85 is typically 2-4 MB. The same photo as PNG is 18-25 MB, as BMP is 36 MB. JPG is 60-80% smaller than PNG for photographs.

Popular tools: Adobe Photoshop, GIMP, Affinity Photo, Lightroom, macOS Preview, Windows Photos, ImageMagick, FFmpeg.

Alternatives: WebP (25-35% smaller), AVIF (30-50% smaller), HEIC (50% smaller, Apple only), PNG (lossless, 5-10x larger).

About PDF: what you get

Developed by Adobe in 1993 as a way to share documents with fixed layout. Became an open ISO standard (ISO 32000) in 2008. PDF 2.0 (ISO 32000-2) was released in 2017. The most common document format for business globally.

Technical: Object-based file structure with cross-reference tables. Supports text, vector graphics, images, fonts, forms, JavaScript and digital signatures. Pages are rendered to a fixed canvas. Can embed JPEG, PNG, JPEG 2000 and JBIG2 images.

Real-world size: A scanned A4 document at 300 DPI is 1-5 MB. The same pages as JPG are 200 KB to 1 MB each. A text PDF of 100 pages is 200-500 KB. A photo-heavy PDF can be 50-100 MB.

Popular tools: Adobe Acrobat, Preview (macOS), Foxit Reader, SumatraPDF, Chrome (built-in viewer), Ghostscript, qpdf.

Alternatives: Word document (editable), HTML (web-native), JPG/PNG (single page), ePub (eBooks).

Browser and software compatibility

JPG: Opens in every browser, operating system, camera, editor and print service. PDF: Opens on every device, with a built-in viewer in all major browsers.

PDF output opens on every device, and almost every portal that accepts documents accepts PDF.

Why people move away from JPG

JPG cannot store transparency, so logos, cut-outs and interface assets need another format.
Every re-save of a JPG throws away more detail, a problem for images edited repeatedly.
Sharp edges and text show ringing artefacts in JPG, and newer codecs give smaller files at the same visual quality.

Why people choose PDF

PDF is the expected format for applications, forms, invoices and anything that will be printed.
An image placed in a PDF looks the same on every device and prints at the right size.
Many portals accept PDF only for ID and proof documents.

Common mistakes with JPG

Re-saving a JPG multiple times compounds quality loss — always keep the original
Using JPG for logos with text causes visible ringing around letters
Setting quality above 95 rarely improves visual quality but enlarges files

Common JPG to PDF scenarios

Applications and forms: Many portals ask for scanned documents and photos as PDF.
Receipts and ID photos: A single PDF is easier to attach than several photos.
Archiving: A PDF keeps a fixed layout and prints at the right size.
Email attachments: PDF is universally accepted for documents.

Best practices for keeping quality

If you still have the original camera file, convert from that. A JPG already compressed hard has little detail left to preserve.
Order and orientation matter, so check them before saving, especially for photos taken sideways on a phone.
A photo of a document stays a photo inside the PDF. The text will not be searchable unless you run OCR.
Resize before converting if the image will be shown small. A 4000 pixel photo displayed at 800 pixels wastes bytes in any format.
Check the result at 100 percent zoom, especially around text, edges and gradients, before you replace any originals.
Keep your original files. Conversions to a lossy format cannot be undone.
When you convert a set of images, use the same quality setting for the whole batch. The converter handles up to 20 files at once.

JPG to PDF questions

Quick answers about privacy, quality, supported formats, file limits and how PDF works.

Why convert JPG to PDF?

PDF files are typically smaller than JPG, which makes them faster to share, send and load. The trade-off is a small amount of image detail at low quality settings.

Will converting JPG to PDF lose quality?

At 90% quality, most people cannot tell the difference. Use 85-95% for photos and you are fine.

Does PDF keep transparency?

No. PDF does not support transparency. Transparent areas will be filled with white.

Are my files uploaded?

Never. Everything runs in your browser. Your files never leave your device. Open DevTools Network tab while processing — you will see no upload request.

Can I convert many files at once?

Yes, up to 20 files at once. Download them individually or all together as a ZIP.

Does the converter strip metadata?

Yes. Browsers do not pass EXIF data through a canvas, so GPS, camera model and dates are removed on every conversion. That is good for privacy.

Is it free?

Yes. No credits, no daily cap, no account, no watermark. The practical limit is your device memory.

Can browsers display PDF?

Yes. Chrome, Edge, Firefox and Safari all have built-in PDF viewers. On mobile, PDF opens in the OS viewer. You can also use the browser to render a page as an image.

Why does my PDF-to-image look blurry?

Browser PDF rendering produces a fixed resolution. If you convert at 800px width and view at 1600px, it will blur. Convert at a higher resolution (1200-2400 px) for print or high-DPI use.

Your files never leave your device

No upload, no account, no tracking. Everything happens in your browser using the Canvas API and WebAssembly. You can confirm this in your browser's DevTools Network tab while the tool runs — no request carries your file. See why ToolDeck is different.