Image Resizer

Resize images in bulk with a free local image tool for exact dimensions, presets, and optimized exports.

Know your workflow

Supported files and how to use.

Check supported input/output details and follow the tool steps before exporting.

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Technical specs and decision signals

Use these specs to validate workflow fit, privacy boundaries, and output expectations before you run image-resizer.

Cost

Free workflow with no signup gate for core usage.

Security

Processing runs in-browser where possible to reduce server upload exposure.

Device

Supports modern desktop and mobile browsers.

Tech specs

Input: PNG/JPG/WebP images. Output: resized image files with target dimensions.

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How to use

Check supported input/output details and follow the tool steps before exporting.

01

Upload JPG, PNG, or WebP images.

02

Set width and height in %, px, inch, or cm and choose aspect ratio lock if needed.

03

Optionally apply social media presets and rotate/flip settings.

04

Choose JPG, PNG, or WebP output and click Resize images.

05

Download each file or download all resized files as ZIP.

Guide

Learn, decide, and apply.

Understand how to resize image online, why it matters in repeat workflows, and when to use this tool with confidence.

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Change image dimensions

  • Meet exact dimension requirements for forms and portals.
  • Prepare images for Facebook, Instagram, LinkedIn, YouTube, and WhatsApp quickly.
  • Reduce page weight by resizing oversized photos.
  • Batch resize product images in one pass with local privacy.
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Batch image resizer

  • Resize hero images for a landing page.
  • Scale screenshots for documentation.
  • Prepare marketplace product photos in bulk.
  • Fit profile photos to exact dimensions.
About

About Image Resizer

Resize image onlineChange image dimensionsBatch image resizer

Resize image online

Resize image online with a tool that keeps the workflow focused on the result, not on extra steps. ToolBuddy's Image Resizer helps you resize images to exact dimensions, percentage scales, or social-media-ready formats. Everything runs locally in your browser. If you think of the job as change image dimensions or batch image resizer, this tool still solves the same core problem: you want an output that is easier to share, publish, review, or reuse without adding another heavy app to the process.

This workflow fits especially well in situations like Resize hero images for a landing page, Scale screenshots for documentation, Prepare marketplace product photos in bulk, and Fit profile photos to exact dimensions. That is where a focused image workflow saves time, because you are not forcing a bigger app or a generic upload service into a simple task. Instead, you get a direct path from original input to a usable result, which is often exactly what people need when they are working against deadlines, handoff requirements, or file-size limits.

How Image Resizer works

The process is straightforward. Upload JPG, PNG, or WebP images. Set width and height in %, px, inch, or cm and choose aspect ratio lock if needed. Optionally apply social media presets and rotate/flip settings. Choose JPG, PNG, or WebP output and click Resize images. That level of control matters because you can review the input, adjust the settings that matter, and confirm the output before you move on. For repeat work, that makes the tool easier to trust. For one-off tasks, it helps you finish the job in one pass instead of downloading something that still needs cleanup.

Why Image Resizer fits practical workflows

What makes the workflow practical is the combination of Meet exact dimension requirements for forms and portals, Prepare images for Facebook, Instagram, LinkedIn, YouTube, and WhatsApp quickly, Reduce page weight by resizing oversized photos, and Batch resize product images in one pass with local privacy. Because the work stays in the browser, it also suits privacy-sensitive jobs where you would rather not send files or data through an external upload queue. That balance of speed, control, and clarity is what makes a focused tool feel useful in daily work instead of feeling disposable.

All resizing happens locally in your browser. Your files never leave your device. No uploads required, no account needed, works on desktop and mobile, and supports multi-file runs. That added context matters because the task is rarely the final goal on its own. Most people use a tool like this so the next step goes more smoothly, whether that means faster publishing, easier sharing, cleaner handoff, or a result that is ready for another system.

What makes Image Resizer useful day to day

Whether you came here for resize image online, resize photos for website, or resize image without losing quality, the value is the same: a direct workflow that helps you finish the task with less friction and more confidence in the result. That makes the tool useful for quick fixes, repeat operational work, and any situation where you need an output that is ready for the next step right away.

FAQ

Common questions.

Have more questions? Reach out via our contact page and we will respond within 24 hours.

Are my images uploaded to ToolBuddy servers?

No. All resizing happens in your browser.

What formats are supported?

JPG, PNG, and WebP are supported.

Can I keep the original aspect ratio?

Yes. Enable the keep aspect ratio option to avoid stretching.

Can I resize multiple images at once?

Yes. Batch resize is supported in one run.

Is there a file size limit?

Per-file limits are device-adaptive and shown in the uploader.

Can I change the output format?

Yes. Choose JPG, PNG, or WebP.