JPEG to PNG Converter — Preserve Quality & Transparency

Free online tool to convert JPEG/JPG to PNG with HD quality, alpha transparency, and batch conversion. Optional resize and ZIP download. 100% private — runs in your browser, no image uploads.

Works globally on Windows, macOS, Linux, Android & iOS (Chrome, Edge, Firefox, Safari).

Tip: You can also drag & drop files into the box on the right.

Drag & drop here

Higher quality = larger file. 75–85 is a good balance.

Keeps aspect ratio. Leave blank to ignore that side.

Results

How to use JPEG to PNG Converter

  1. Click Select files or drag & drop multiple JPEG/JPG images.
  2. Adjust the quality slider (optional) and enable Resize if needed.
  3. Click Convert All.
  4. Download files individually or use Download All (.zip).

What is a JPEG to PNG Converter?

It’s a simple utility that converts JPEG/JPG images to PNG. PNG supports lossless compression and alpha transparency, which makes it ideal for logos, icons, screenshots, UI assets, and graphics that need crisp edges or a transparent background.

Features & Benefits

  • Batch convert multiple files at once
  • Transparency preserved for overlays & logos
  • HD output with optional resize
  • 100% private — runs locally, no uploads
  • ZIP download for all converted PNGs
  • Works on Windows/Mac/Linux/Android/iOS

Global Use Cases

Designers, developers, students, marketers — worldwide — use this tool for transparent PNG logos, eCommerce product photos, presentations, app UI assets, and social media. Fast in every region, no sign-up required.

Why use an online converter?

No installs, no updates, no account. Browser-based conversion is instant and private, and it works the same on desktop and mobile. Perfect when you just need a reliable JPEG to PNG converter online.

FAQ

Do you upload my images to a server?

No. Everything runs locally in your browser using the Canvas API. Your files stay on your device.

Can I batch convert many images?

Yes. Select multiple files and click Convert All, then download individually or as a ZIP.

Will transparency be preserved?

Yes, PNG supports alpha transparency and is ideal for logos and UI assets.

Does this work on mobile?

Yes. It works on modern mobile browsers (Android & iOS) as well as desktop.

🔗 Related Tools

Convert JPEG to PNG for editing and graphics work

JPEG discards a little information each time it is saved. PNG does not. Moving an image into PNG form means you can edit, crop and re-save it as many times as you like without accumulating further degradation.

PNG is also the format to reach for when you need transparency, when the image contains sharp text or line art, or when a platform specifically requires it. Screenshots and graphics look measurably crisper in PNG than in JPEG.

The trade-off is size. PNG stores every pixel exactly, so files are typically several times larger than the JPEG equivalent.

Who uses this most

  • Editing workflows — Preventing further quality loss across multiple rounds of edits.
  • Transparency work — Preparing an image before cutting out its background.
  • Graphics and text — Screenshots, diagrams and logos stay sharp in PNG.
  • Platform requirements — Systems and design tools that accept only PNG.
  • Archiving — Keeping a lossless working copy alongside a compressed one.

How to use the jpeg to png converter

  1. Add your JPEG filesDrag in one image or a batch.
  2. Set any resize optionsAdjust dimensions during conversion if the destination requires it.
  3. ConvertLossless conversion runs entirely on your own device.
  4. Check the output sizePNG files are noticeably larger than the JPEG originals, which is expected.
  5. DownloadSave individually or as a ZIP.

Converting preserves the image exactly as it stands. Compression artefacts already baked into the JPEG remain, because no tool can reconstruct information that was discarded.

Common problems and how to fix them

The PNG is far larger than the JPEG

Expected. Lossless storage costs space, and for photographs the file may be several times bigger.

The image still shows compression blocks

Those artefacts are already part of the JPEG. Converting preserves them rather than removing them.

There is no transparency

JPEG has no transparency to carry over. Use the background remover to create it.

The file is now too big to upload

PNG is the wrong choice for photographs where size matters. Keep the JPEG and use the image compressor.

Old software will not open the PNG

Very old applications occasionally struggle with certain PNG variants. Convert back to JPG if compatibility is the priority.

Batch conversion is slow

Processing is local, so large batches of high-resolution images take time.

Choosing PNG deliberately

  • Convert to PNG before starting an editing session, not after.
  • Use PNG for screenshots, diagrams and logos; keep photographs as JPEG.
  • Expect a larger file, and plan for it if there is an upload limit.
  • Do not convert hoping to improve quality — that is not what it does.
  • Add transparency after converting, using the background remover.
  • For web publishing, WebP is usually a better choice than either.

Your file never leaves your device

Conversion runs inside your browser, so images are never uploaded to any server. This matters most when the document is personal — an Aadhaar or PAN scan, a bank statement, a salary slip, a medical report or a signed contract. With a server-based converter you are trusting an unknown company with that file. Here there is nothing to trust, because the file is never transmitted anywhere.

Related tools

JPEG to PNG Converter — more questions

Does converting JPEG to PNG improve quality?

No. It prevents further loss going forward but cannot recover detail already discarded by JPEG compression.

Why is the PNG so much larger?

PNG is lossless and stores every pixel exactly, while JPEG discards information to save space.

Will the background be transparent?

No. JPEG has no transparency to carry over. Remove the background separately if you need it.

When is PNG the better format?

For screenshots, diagrams, logos, line art, transparency, and any image you will edit repeatedly.

Can I convert several files at once?

Yes, add a batch and download the results together.

Is the conversion lossless?

The conversion itself is, though existing JPEG artefacts are preserved.

Is there a size limit?

No fixed limit; your device memory is the practical constraint.

Are images uploaded anywhere?

No. All processing is local to your browser.