PixStack

PNG Converter

Convert images to PNG. Preserve transparency for logos and UI. Free and watermark‑free.

Drop your images here

or click to browse files

Max 5MB per file • Up to 1 images per upload

All processing local + server-side transient, no files stored.

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HOW TO CONVERT TO PNG ONLINE (FREE)

UPLOAD

Drag & drop your images or click to browse. Free online png converter — no watermark, no signup. Works on Mac, Windows, iPhone, and Android.

CHOOSE PNG

Pick PNG to preserve transparency. Quality is hidden for PNG because it is lossless.

AUTO-CONVERT & DOWNLOAD

Conversion starts automatically. Download single results or a ZIP for batch. Private processing and watermark‑free outputs.

WHY CONVERT TO PNG?

Converting to PNG preserves crisp edges and transparency — ideal for UI, logos, and graphics that must remain clean across backgrounds.

Tip: publish responsive images with exact sizes to reduce CLS and improve perceived performance.

MAKE YOUR PNG LOOK THEIR BEST — ANYWHERE

KEEP TRANSPARENCY
Convert to PNG to preserve alpha for logos, UI, and overlays.
CRISP EDGES
Lossless format ideal for text and sharp graphics.
WEB‑READY
Clean visuals across backgrounds and themes without halos.

QUALITY VS SIZE GUIDE

Interactive demo: See how quality affects file size in real-time

DEMO QUALITY75%

SAMPLE: 2MB PHOTO

WEBP
1.04 MB
-48%
JPEG
1.18 MB
-41%
AVIF
798.1 KB
-61%
PNG
2.00 MB
No savings

QUALITY RECOMMENDATIONS

90-100%PRINT QUALITY

Professional printing • Archival • Large files

75-89%HIGH QUALITY

Portfolio • Social media • Good balance

60-74%WEB OPTIMIZED

Websites • Fast loading • Recommended

10-59%MAXIMUM COMPRESSION

Thumbnails • Previews • Visible quality loss

OPTIMIZATION TIPS

• PHOTOS WITH PEOPLE
Use 70-85% quality to preserve skin tones
• LANDSCAPES
Can use 60-75% quality without noticeable loss
• TEXT IN IMAGES
Use 80%+ quality to maintain readability
• GRAPHICS/LOGOS
Consider PNG for sharp edges and text

FREQUENTLY ASKED QUESTIONS

RELATED TOOLS

You are using: CONVERT

COMPRESS

Reduce file size • Keep quality

RESIZE

Scale dimensions • Batch resize

CROP

Trim images • Focus areas

CONVERT

CURRENT

Format change

OPTIMIZE

Smart compress + convert • Up to 80% smaller

ROTATE & FLIP

Rotate 90°/180° • Flip H/V

FORMAT-SPECIFIC TOOLS

PNG Converter

Preserve transparency • Lossless

JPG Converter

Photo-friendly • Broad support

WebP Converter

Smaller files • Great quality

WORKFLOW SUGGESTIONS

• OPTIMIZE (smart all-in-one solution)
• RESIZE → OPTIMIZE (dimension + compression)
• CROP → OPTIMIZE (focus area + smart conversion)
• CONVERT → COMPRESS (manual control workflow)
PNG Converter — Convert Images to PNG Online (No Watermark) | PixStack