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    ToolnettA RaftApps Project

    Made with by RaftApps

    © 2026 Toolnett. All rights reserved.

    Free Online Image Converter & Change Image Format

    Convert between image formats

    Verified Local Processing (100% Client-Side)

    Your data never touches our servers. All logic executes in your browser sandbox using WebAssembly (WASM). No uploads, no logging, zero data retention.

    Verify in Network Tab
    Offline-Ready Security

    Image Converter

    Convert images between formats (PNG, JPG, WEBP, GIF, etc.) securely in the cloud.

    Sponsored
    Ad Placement

    Support Toolnett: Go premium to remove ads and unlock advanced WASM features.

    Remove Ads

    About Image Converter

    Convert image formats online for free. Support for PNG, JPG, WEBP, and more. 100% private browser-based image conversion.

    Key Features

    • Supports PNG, JPG, WEBP, and many other formats
    • Adjust quality settings for JPEG and WEBP exports
    • Direct conversion in your browser's local memory
    • Fast and secure with no data uploads required

    How to Use

    1. 1Choose the image you want to convert
    2. 2Select your target output format from the list
    3. 3Adjust quality if necessary and download your file

    Frequently Asked Questions

    Everything you need to know about Image Converter.

    The Best Free Online Image Converter for Every Scenario

    In the vast landscape of digital media, file compatibility is constant challenge. Whether you're a developer needing WebP images for a website, a student submitting a JPG for an assignment, or a designer requiring transparent PNGs, our free online image converter provides the flexibility you need. We support all major formats, ensuring your visuals are always in the right format for the right platform.

    Convert to WebP for Next-Gen Performance

    Want to speed up your website? Convert your legacy JPG and PNG files to WebP online. WebP provides superior lossless and lossy compression for images on the web, often reducing file sizes by 30% or more compared to JPEG. Our image extension changer makes it easy to modernize your library and improve your site's SEO scores with high-performance, next-gen image formats.

    Privacy-First: 100% Client-Side Conversion

    Security is our core differentiator. Most conversion services transmit your files to remote servers, exposing them to potential data breaches. Toolnett's secure image converter works entirely locally in your browser. This means your high-resolution photos and private documents never leave your device. It's the most reliable way to convert photos online with absolute privacy.

    Batch-Ready & High Resolution

    Our tool is built for efficiency. You can switch image formats instantly without waiting for slow server uploads or downloads. We preserve the original resolution and color profiles of your images, ensuring that your PNG to JPG or HEIC to JPG conversions remain sharp and professional every time.

    How to Change Image Formats Online for Free

    1. Select Format: Choose your desired output format (e.g., PNG, WEBP, or JPG).
    2. Upload Image: Drag your file into the converter.
    3. Instant Rendering: The tool processes the conversion in your browser's local memory.
    4. Fast Download: Save your new file immediately with no quality loss.

    Trust Toolnett for the fastest and most private image conversion on the web. No limits, no watermarks, just high-quality results.

    More from Image

    View category

    Background Remover

    Remove image backgrounds using AI

    Color Palette

    Generate beautiful color palettes

    Aspect Ratio

    Calculate image aspect ratios

    Image to Base64

    Convert images to Base64 strings

    Coming Soon: Toolnett Pro

    Level Up Your Workflow

    We're building advanced, WASM-powered features for power users. Help us prioritize by selecting what you need most.