Free PNG to JPG & JPG to PNG Converter (No Upload)

Quick Start

1. Choose direction: PNG→JPG or JPG→PNG
2. Upload images (drag & drop or click)
3. Adjust settings: Quality (PNG→JPG), background color (if transparent)
4. Download converted images (single or ZIP for batch)

Works locally in browser. No uploads. Free, unlimited.

PNG ↔ JPG Converter

PNG to JPG: When & Why

Why Convert PNG to JPG?

PNG files are 5-10x larger than JPG for photos. A 1920x1080 PNG photo is 3-5MB. Same photo as JPG (quality 80%) is 300-500KB. That's 90% smaller with no visible difference on screens.

When to Convert PNG to JPG

• Email attachments: PNG photos are too large (3-5MB). Convert to JPG reduces to 300-500KB—faster sending, less likely to bounce.
• Website images: PNG slows page load. JPG loads 10x faster, improves SEO (Google Core Web Vitals).
• Social media uploads: Instagram, Facebook, Twitter re-compress PNGs anyway. Upload JPG directly saves upload time on mobile.
• Storage space: 1000 PNG photos at 4MB each = 4GB. Convert to JPG at 400KB = 400MB (90% savings).
• Printing: Print shops accept JPG. PNG offers no advantage for print—just wastes file transfer time.

Important: Background Color for Transparent PNGs

JPG doesn't support transparency. If your PNG has transparent background (logo, screenshot), you must choose background color when converting to JPG:

• White background: Most common. Use for product photos, documents, clean professional look.
• Black background: Use for dark mode websites, artistic photos.
• Custom color: Match your website/brand background color.

Preview before downloading to ensure background looks good.

Quality Settings (PNG to JPG)

• 90-100%: Maximum quality, large files (1-2MB). Use only for print or professional photography.
• 80-85%: ⭐ Recommended. Excellent quality, moderate size (300-500KB). Perfect for web, email, social.
• 70-75%: Good quality, small size (200-300KB). Use for thumbnails, mobile uploads.
• 60% or below: Visible quality loss—avoid unless forced by platform limits.

JPG to PNG: When & Why

Why Convert JPG to PNG?

PNG is lossless; JPG is lossy. Every time you edit and save JPG, quality degrades. PNG preserves quality through multiple edits. PNG also supports transparency—JPG doesn't.

When to Convert JPG to PNG

• Need transparency: Remove background, create logo with transparent edges—requires PNG.
• Further editing planned: If you'll edit image multiple times (Photoshop, GIMP), convert to PNG first. Prevents quality loss from repeated JPG saves.
• Screenshots with text: PNG keeps text sharp. JPG makes text slightly blurry (compression artifacts around edges).
• Graphics with solid colors: Logos, diagrams, illustrations—PNG compresses these better than JPG (counterintuitive but true for non-photo images).
• Archival/master copies: Store editing masters as PNG. Export final delivery as JPG.

Important: File Size Increases

JPG→PNG conversion increases file size 5-10x. 500KB JPG becomes 3-5MB PNG. This is normal—PNG is lossless, stores more data.

Don't convert if you only need to view/share. Only convert JPG to PNG if you need transparency or plan to edit. For simple sharing, keep as JPG (smaller, faster).

PNG vs JPG: Quick Comparison

Rule of Thumb

• Use PNG for: Logos, icons, screenshots with text, images needing transparency, graphics with solid colors
• Use JPG for: Photos, website images, email attachments, social media posts, anything without transparency

How to Convert PNG to JPG

1. Select direction: Click "PNG → JPG" at top of tool
2. Upload PNG images: Drag & drop or click Choose Files
3. Set quality: Slider appears (default 85%—recommended for most uses)
4. Choose background color (if PNG has transparency):
   • White (default, most common)
   • Black (for dark backgrounds)
   • Custom (click color picker)
5. Preview: Check result before downloading (especially background color)
6. Download: Single JPG or ZIP for batch

How to Convert JPG to PNG

1. Select direction: Click "JPG → PNG" at top of tool
2. Upload JPG images: Drag & drop or click Choose Files
3. Convert: No settings needed—conversion is automatic
4. Download: Single PNG or ZIP for batch

Note: JPG to PNG doesn't improve quality or add transparency. It only changes format. If your JPG has white background, PNG will also have white background (not transparent). To remove background, use Background Remover tool.

Batch Conversion

Convert 100+ images at once. Select all files (Ctrl+A or Cmd+A), choose settings, convert. Tool processes all simultaneously. Download ZIP with all converted images.

Processing speed:

• 1-10 images: 2-5 seconds
• 50 images: 10-20 seconds
• 100+ images: 30-60 seconds (depends on image sizes and browser)

No file limit. Process as many as your browser memory allows. For very large batches (500+), split into multiple batches for stability.

Common Use Cases

PNG to JPG

• Screenshots for documentation: Screenshots save as PNG by default (large files). Convert to JPG reduces file size 80-90% for faster sharing.
• iPhone photos: iPhone 12+ uses HEIC format, but some apps export as PNG. Convert to JPG for better compatibility and smaller size.
• Downloaded graphics: Many websites serve images as PNG (preserve transparency). If you don't need transparency, convert to JPG saves storage.
• Email newsletters: Large PNG attachments bounce. Convert to JPG ensures delivery.

JPG to PNG

• Logo preparation: Got logo as JPG? Convert to PNG before removing background or adding to transparent compositions.
• Editing workflow: Starting with JPG but need to make multiple edits? Convert to PNG first, prevents quality loss from repeated saves.
• Screenshot text sharpness: If you accidentally saved screenshot as JPG (text looks blurry), convert to PNG doesn't fix blur but prevents further degradation if you edit.

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