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Convert images without the clutter

Change image formats, resize, rotate and optimize your files in one focused workspace.

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PNG, JPG, WEBP, AVIF, HEIC and other common formats · up to 2GB

Choose standard image conversion or AI image upscaling.
The file format used for the downloaded result.
Controls how the source image is placed into the width and height you enter. The preview shows the expected shape.
Target width in pixels. This field is enabled only for resize modes that use it.
Target height in pixels. This field is enabled only for resize modes that use it.
Compression quality from 1 to 100. Higher values usually create a larger file; leave empty for the format default.
Background color added around the image by Pad to box.
Rotates the processed image clockwise or counter-clockwise before export.
Reads camera orientation metadata and rotates the pixels so the image displays upright.
Automatically removes a uniform border around the outer edge of the image.
Mirrors the image from left to right.
Mirrors the image from top to bottom.
Replaces each color with its complementary value while preserving transparency.
Removes EXIF and other embedded metadata to reduce extra data in the exported file.
Online image tools

Free image conversion, resizing and AI upscaling in your browser

IMGCONV is a focused online image converter for changing image formats, resizing pictures, preparing exact canvas sizes and improving small images with AI upscaling. You can process one image or a batch without installing desktop software or creating an account.

Convert popular image formats

Upload JPG, PNG, WEBP, AVIF and other common image files, then choose the output format you need for a website, document, social post or archive.

Resize with predictable results

Fit an image inside a box, stretch it to an exact size, fill and crop, add padding, limit one dimension or make a centered crop. The visual preview explains each resize mode before you convert.

Upscale images with AI

Switch to Image Upscale and enlarge an image by 2×, 3× or 4×. This mode is useful when a source image is too small for a larger display or export.

Image formats

Choose the right output format for each image

Changing the file extension alone does not truly convert an image. IMGCONV decodes the uploaded image and creates a new file in the selected format, so the result can be used by browsers, design tools, office software and publishing platforms that may not support the original file. The best output format depends on whether you need photography, transparency, broad compatibility or a smaller web asset.

JPG / JPEG
A practical choice for photographs, product images and other detailed pictures with many colors. JPG uses lossy compression, does not preserve transparency and is widely supported by websites, devices and editing applications.
PNG
Useful for logos, interface graphics, screenshots and illustrations that need sharp edges or a transparent background. PNG uses lossless compression, although complex photographs can produce larger files.
WEBP
A modern web format that can provide smaller files than traditional JPG or PNG while supporting both photographic content and transparency. WEBP is a strong default for websites and web applications.
AVIF
A newer, highly efficient format designed for compact web delivery at good visual quality. AVIF can reduce transfer size significantly, but older software may offer less complete support than JPG, PNG or WEBP.
Resize guide

Understand what every resize mode does

Width and height can describe a boundary, an exact canvas or a crop area depending on the selected resize mode. IMGCONV enables only the dimension fields used by that mode and shows a small visual preview, which helps prevent accidental stretching or unexpected empty space.

  • Fit inside box: preserves the original aspect ratio and scales the full image until it fits inside the requested width and height. The result may be narrower or shorter than the box.
  • Exact size: creates the precise requested dimensions by changing width and height independently. Use it only when an exact pixel size matters more than preserving the original proportions.
  • Fill and crop: scales proportionally until the target area is covered, then removes overflow from the center. It is suited to thumbnails, profile images, banners and fixed-ratio layouts.
  • Pad to box: fits the complete image inside an exact canvas and fills the remaining space with the selected background color. It is useful when cropping is not acceptable.

Maximum-width and maximum-height modes only reduce images that exceed the chosen limit, while centered width or height crops remove pixels from two opposite edges. For a predictable batch, choose dimensions that make sense for every selected image.

Practical workflow

Prepare individual images or an entire batch

You can select several images in one upload and apply the same output format and transformations to all of them. Batch conversion is useful for preparing a gallery, normalizing exported assets, rebuilding a collection in a modern web format or creating consistently sized images for a content-management system.

Advanced mode adds quality, rotation, orientation, trimming, mirroring, metadata and padding controls. Quality affects compressed formats most directly: a higher value usually retains more detail but creates a larger download. Leaving it empty lets the converter use the format default. Automatic orientation reads camera metadata before resizing, while metadata removal can reduce embedded information in the exported copy.

IMGCONV works without an account. Files are uploaded for the conversion job, processed by the selected image worker and returned as downloadable results. The interface is donation-supported and designed around the conversion task rather than advertising or unnecessary sign-up steps.

How to use IMGCONV

The converter keeps the workflow short while still offering precise controls for dimensions, quality, orientation, rotation, metadata and background padding.

  1. Choose one or more images from your device and select Image Convert or Image Upscale.
  2. Pick an output format and resize mode, then enter the dimensions used by that mode. Open the question-mark tips whenever a setting needs clarification.
  3. Start the conversion, wait for processing to finish and download the prepared image files.
Common questions

IMGCONV image converter FAQ

Which image formats should I use for the web?

WEBP is a practical modern choice for most web images, while AVIF can offer even smaller files where software support is suitable. JPG remains dependable for photographs and PNG is useful when lossless detail or transparency is important.

How can I resize an image without stretching it?

Use Fit inside box to preserve the complete image and its aspect ratio. Use Fill and crop when the output must have exact dimensions and trimming the outer edges is acceptable. Avoid Exact size when the source and target aspect ratios differ.

What is the difference between resizing and AI upscaling?

Standard resizing changes pixel dimensions with conventional image processing. AI upscaling uses a dedicated model to enlarge the image by 2×, 3× or 4× while attempting to reconstruct sharper-looking detail. The result still depends on the quality of the source image.

Can I convert multiple images at the same time?

Yes. Select multiple supported images and IMGCONV will apply the chosen format and settings to the batch. Because every image receives the same resize rules, review the selected mode and dimensions before starting a mixed-size collection.

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