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Bilder Online Verkleinern & Skalieren

Passe die Größe einzelner oder mehrerer Bilder online an – millimetergenau, gestochen scharf und sofort einsatzbereit.

Schneller Bild-Resizer

Bilder hier hineinziehen

Skaliere JPG, PNG und WEBP Bilder in Sekundenschnelle.

JPG PNG WEBP GIF
Sicher & Datenschutzkonform Batch Resize Hohe Qualität Ctrl+V einfügen

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Größeneinstellungen

Konfiguriere Abmessungen, Format und Qualität

Einpassen (Fit) In Abmessungen einpassen
Ausfüllen & Zuschneiden (Fill / Crop) Exakt zuschneiden
Dehnen (Stretch) Auf Maße strecken
DPI
px
px
90%

Erweiterte Optionen

Add padding
px

Summary

Images 0
Resize Method Einpassen (Fit)
Dimensions x px
Units Pixel (px)
Resolution 300 DPI
Format Originalformat beibehalten
Qualität 90%
Recommended

Recent Setting

Apply your last resize setup

Size No recent setting
--
Save current setup first

Quick Presets

Web (1920px) 1920 × 1080 px
Full HD 1920 × 1080 px
Instagram Post 1080 × 1080 px
Instagram Story 1080 × 1920 px
Print 2480 × 3508 px
Facebook Post 1200 × 630 px
HD 720p 1280 × 720 px
Standard (4:3) 800 × 600 px
Quick Guide

How to Resize Images Online

Resize JPG, PNG and WEBP in a few simple steps without losing clean quality.

01

Upload Images

Drag and drop your images or click browse to select multiple files.

02

Set Size

Choose pixels, cm, mm or inches and enter your custom width and height.

03

Adjust Quality

Select output format, quality, DPI, background color and advanced options.

04

Download Result

Click resize and download your optimized images instantly.

Live Example

Resize for social media

Original 4000 x 3000 5.8 MB
Resized 1080 x 1080 1.2 MB
Maintain aspect ratio Batch Resize Web optimized
Smart Resizing Features

Everything You Need To Resize Images

Resize images for website, social media, print, documents and sharing with fast controls and clean output.

Best for bulk work

Resize multiple images with one setup

Upload many images, choose dimensions, format, DPI and quality once, then resize all files together.

Original 4000 x 3000 5.8 MB
Resized 1080 x 1080 1.2 MB

Batch Resize

Resize multiple images at once and save time.

Aspect Ratio Lock

Keep image proportion perfect while changing size.

Multiple Formats

Export JPG, PNG, WEBP, GIF, AVIF and BMP.

Quality Control

Adjust quality, DPI, sharpen and web optimization.

Fit, Fill, Stretch

Choose how your image should fit the new size.

Clean Workflow

Simple, fast and secure image resize experience.

Image Resizer Guide

Resize Images For Any Purpose

Change image size for websites, social media, documents, printing and online uploads with flexible resize settings.

Resize Images For Websites

Large images can slow down your website. With this image resizer, you can reduce image dimensions, optimize quality and create web-ready files that load faster without looking blurry.

Faster page loading Better SEO performance Clean image quality

Resize Images For Social Media

Different platforms need different image sizes. Create square posts, story images, banners, thumbnails and profile pictures with exact width and height settings.

Instagram post size YouTube thumbnails Facebook cover images

Resize Images For Printing

Use DPI, inches, cm or mm to prepare images for printing. You can keep aspect ratio locked and adjust dimensions accurately for documents, forms and photo prints

DPI support cm, mm and inch units Print-ready sizing
Use Case Recommended Size Best Format
Website Image 1200 x 800 px WEBP / JPG
Instagram Post 1080 x 1080 px JPG / PNG
YouTube Thumbnail 1280 x 720 px JPG / PNG

Why Resize Images?

Resizing helps reduce file size, improve upload speed, match platform requirements and keep your images clean across devices.

4x Faster uploads
70% Less file size
Resize Example

Example Image Resize

See how an image can be resized for website, social media or printing with the right size and quality.

Original Image
Before Resize

4000 x 3000 px

Large photo for camera, gallery or raw upload.

5.8 MB JPG
Resized Image
After Resize

1080 x 1080 px

Perfect square size for Instagram posts and profile content.

1.2 MB WEBP

Choose Example Preset

FAQ

Image Resizer FAQs

Common questions about resizing images, quality, formats and file size.

Upload your image, enter the new width and height, choose output format and click the resize button. Your resized image will be ready to download.

Yes, you can upload multiple images and apply the same resize settings to all files together.

Resizing can slightly affect quality, but using proper dimensions, quality settings and aspect ratio lock helps keep the image clean and sharp.

You can resize popular formats like JPG, PNG and WEBP.

Yes, aspect ratio lock keeps the width and height proportional, so your image does not look stretched.

Need Better Results?

For web images, use WEBP format with medium-high quality. For transparent images, PNG is usually better.

Use WEBP for websites Use PNG for transparency Keep aspect ratio on