Free Image Conversion, Resizing and Optimization Tool
Convert, resize, optimize and edit images without installing anything
This Image Converter allows you to convert image formats, resize images, apply advanced cropping, optimize weight, generate professional favicons, batch process images and upload images from URLs.
is a free solution designed for content creators, web developers, designers and users who need to prepare images for websites, social networks or digital projects.
Convert and Resize Images Online - Free
This free tool lets you convert images between JPG, PNG, WebP, HEIC and other formats in seconds. You can also resize, crop, optimize and apply advanced filters without installing software.
Key Features of Image Converter:
Conversion between more than 20 formats such as JPG, PNG, WEBP and SVG, ideal for adapting images to social networks or lossless printing.
Accurate resizing while maintaining the original quality, using advanced algorithms to avoid pixelation in enlargements.
Weight optimization for web without losing definition, reducing load times in sites like WordPress or Shopify.
Batch processing for multiple images at once, allowing 50 photos to be converted in seconds for digital albums
Direct upload from external URLs for added convenience, making it easy to edit images stored in the cloud such as Google Drive.
Main Features
Format Conversion
Convert images between the most common formats:
- JPG
- PNG
- WebP
The tool automatically optimizes file weight to improve performance on websites.
Intelligent Resizing
You can set any width and height manually or select from preconfigured presets for
popular platforms:- Instagram Post (1080 × 1080)
- Instagram Story (1080 × 1920)
- YouTube Thumbnail (1280 × 720)
- Facebook Cover
- Hero 1920 × 1080
- Favicons (32 × 32 and 64 × 64)
Includes professional modes: cover, contain, fill, inside and outside.
Advanced Manual Trimming
Interactive Photoshop-style cropping system:
- Adjustable case
- Dragging and resizing
- Real-time preview
- Accurately recalculates coordinates
Editing Filters
Quick adjustments without the use of complex software:
- Brightness
- Contrast
- Saturation
- Blur
- Sharpen
Upload Image from URL
Allows you to paste a direct link to an image and edit it without having to download it first.
Batch Processing
Supports up to 20 simultaneous images for:
- Conversion
- Resizing
- Individual download
- Download all in one ZIP file
- Compression statistics
Image Optimization
Special optimization mode with options for:
- Lossless
- Medium compression
- Ultra compression
Displays the initial size, final size and percentage of savings.
Favicon Pack Generator (Pro Mode)
From a single image, it generates automatically:
- favicon.ico
- favicon.svg (if the base image allows vectorization)
- PNG 32 × 32
- PNG 192 × 192
- apple-touch-icon
- Fragment of
manifest.json - HTML tags ready to copy and paste
Ideal for web developers.
Image Rotation and Flipping
- Rotation 90° to the left
- Rotation 90° to the right
- Horizontal turning
- Vertical turning
- Free rotation (0-360°)
Compatible Extensions
Compatible with modern formats:
- HEIC / HEIF
- WebP
- SVG (output for favicons)
- JPG
- PNG
Frequently Asked Questions
What formats can I convert?
You can convert images to JPG, PNG and WebP. You can also generate favicon.ico, PNGs for icons and SVG when the original file allows it.
Can I upload images from a URL?
Yes, just paste the direct link to the image and the tool will load it without the need to download it first.
What is the maximum file size?
The current limit is 50 MB per image, both for uploaded images and images uploaded from URLs.
Is the tool free of charge?
Yes, this tool is completely free and offered by Sharpen.Studio.
Can I process several images at the same time?
Yes, in Batch mode you can upload up to 20 images and download them in ZIP.
What presets are included?
It includes presets such as Instagram Post, Story, YouTube Thumbnail, Facebook Cover, Hero Banner and Favicons.
Does the tool maintain image quality?
You can choose between high, medium or ultra compressed quality. In addition, there is a lossless lossless mode.
Can I manually crop my images?
Yes, it includes advanced cropping with an adjustable Photoshop-like box.
Does it work with HEIC or HEIF?
Yes, it supports HEIC/HEIF images from iPhones.
Can I use filters?
Yes, you can adjust brightness, contrast, saturation, blur and focus.
