Image Compressor & HEIC Converter

Image Compressor & HEIC Converter

Represents strength, power, and efficient compression — making your files smaller.

Reduce image file sizes instantly. Convert iPhone HEIC photos and SVG vectors to compatible JPG/PNG formats for Claude, ChatGPT, and design tools. 100% private, browser-side processing.

Compression Settings

Click a persona to auto-configure optimal settings

or customize
80%
Smaller SizeBetter Quality

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Advanced Image Optimization for 2026 Web Standards

Core Web Vitals & LCP

Google's Largest Contentful Paint (LCP) metric is heavily influenced by image file size. By compressing your hero images to under 100KB using our WebP engine, you significantly improve your site's performance score and search engine visibility.

Lossless vs. Smart Lossy

We employ Smart Lossy compression for JPGs and WebP. This algorithm identifies and removes visual data that the human eye cannot perceive, allowing for file size reductions of up to 90% while maintaining a "retina-ready" appearance.

Secure Privacy Posture

In an era of increasing data breaches, uploading proprietary images to a cloud-based compressor is a security risk. TextGauge provides a sandbox environment directly in your browser, ensuring no data ever traverses the public internet.

Optimized ZIP Delivery

For developers and content managers, we support parallel processing. Drop an entire folder of assets, optimize them with global settings, and download the entire set in a structured ZIP, ready for immediate deployment to your CDN.

Popular Compression Presets

Compress to 100KB

Email & form uploads

Compress to 50KB

Thumbnails & avatars

Quality Benchmark

JPEG vs PNG vs WebP

Privacy Promise

Your content never leaves your browser. All processing happens locally on your device using JavaScript. We do not store, record, or transmit your input data to any server.

Client-Side Processing
No Server Logs

Frequently Asked Questions

How do I compress images to exactly 100KB or 50KB?▼
Select the '≤100KB' or '≤50KB' preset and upload. Our intelligent algorithm iteratively adjusts the <strong>MozJPEG/WebP quality factor</strong> and dimensions to bring the file size as close as possible to the target without sacrificing critical visual detail.
Is browser-side compression secure for enterprise use?▼
<strong>Yes.</strong> This tool uses the <strong>WebAssembly (Wasm)</strong> and <strong>Canvas API</strong> to process images entirely in your local RAM. Images are never transmitted over the network, making it compliant with strict data privacy policies and secure for proprietary corporate assets.
MozJPEG vs. WebP: Which should I choose?▼
<strong>WebP</strong> is superior for web performance, offering 25-35% better compression than standard JPEG. However, <strong>MozJPEG</strong> (our default JPEG engine) is excellent for maintaining maximum compatibility across older browsers and social media previews.
How does batch compression affect performance?▼
Our engine uses <strong>asynchronous processing</strong> to handle dozens of images simultaneously. While large batches (50+ images) may utilize significant system memory, the UI remains responsive, and you can download all results in a single <strong>optimized ZIP archive</strong>.
Does this tool strip Exif/Metadata?▼
By default, our compression process strips unnecessary metadata (GPS tags, camera settings) to further reduce file size and protect your privacy. If you need to preserve color profiles, we recommend using the 'High Quality' setting.
Why use this over server-side compressors?▼
Speed and Privacy. Server-side tools require time-consuming uploads/downloads and pose a privacy risk. <strong>TextGauge</strong> provides <strong>instant, zero-latency feedback</strong> and ensures your data remains under your absolute control at all times.