Microdeck.tools 100% In-Browser

In-Browser Batch Image Converter

Popular

Convert dozens of WebP, PNG, JPEG, SVG, and Apple HEIC/HEIF photos simultaneously in your browser. Download individually or as a single ZIP archive. 100% private and unlimited.

100% In-Browser No Server Storage Instant Results
100% Private: Images Are Converted Directly On Your Device
Unlimited files • 100% Free & Secure
Quality85%
Smaller fileHighest fidelity

Drop images here or choose files from your device

Supports WebP, PNG, JPG, HEIC/HEIF (iPhone), SVG, GIF • Fast batch conversion in browser RAM

Browser RAM Bound (No Upload Caps)•Batch ZIP Export•Never leaves your device

Did this tool save you time? Help keep Microdeck free and maintained. Completely optional · From $3.

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How It Works Under the Hood

Converts raster and vector images entirely within your browser RAM via HTML5 Canvas and Blob APIs. Files never leave your local device, bypassing server wait times and file-size quotas.

Step-by-Step Instructions

1

Drag and drop your images into the drop zone.

2

Select your desired output format: WebP, PNG, or JPG.

3

Adjust quality compression and optional max dimension resizing.

4

Click "Download All as .ZIP" to package all converted images in one click.

Key Features & Performance

  • 100% Zero-Server Privacy: Your images are never sent to external cloud servers
  • Unlimited Batch Size: Convert 50+ files at once without paywalls or daily caps
  • Pure In-Browser ZIP: Instant ZIP archive creation without server lag
  • Granular Compression: Adjust quality sliders and dimensions per batch

Local Browser Processing & Privacy

Traditional web converters upload your documents, snippets, or media files to remote servers. In-Browser Batch Image Converter runs inside your browser tab:

Processed in This Tab

Your input text and files are processed locally without uploading payloads to a processing server.

No Tool Payload Logging

Microdeck does not log or store the files or inputs you paste into tool workspaces (normal static hosting/CDN requests still load page assets).

Tab Memory Lifecycle

Working outputs stay in your browser tab and are released when you reset the tool or close the tab.

Frequently Asked Questions

Is there a limit on how many images I can convert per day?

No! Because the conversion runs 100% on your device hardware, there are no subscription paywalls, watermarks, or daily conversion limits.

Why is this faster than traditional converters like CloudConvert?

Traditional converters force you to upload large files to remote servers, queue for processing, and then download them back. Microdeck computes everything in your browser RAM instantly.

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