Image Converter

A lightweight online image converter for developers and creators to swap formats, adjust quality, and resize images up to 100 kb for web and app projects.

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3,012+
Total Calculations Run
< 15ms
Browser Execution Speed
100%
Client-Side Privacy
4.9 / 5.0
User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how Image Converter processes input data instantly inside your browser.

Sample Input Birth date: Jan 15, 1995, Target date: Oct 20, 2023
Computed Result Chronological Age: 28 Years, 9 Months, 5 Days (10,505 days elapsed)
Execution Mode Client-Side In-Browser JS
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About This Tool

Purpose-built for web teams, developers, and creators who need web-optimized images within a tight size cap. It converts between JPEG, PNG, WEBP, and GIF and produces predictable outputs suitable for websites, apps, and social previews. The emphasis is on reliability, reproducibility, and web compatibility, not on advanced image editing. By delivering outputs in widely supported formats and with a clear size target, teams can standardize their media pipelines and improve load performance.
Core operations: The tool reads the input image, re-encodes to the selected format, and applies optional resizing to a specified width or height. It then adjusts the encoding quality to approach the 100 KB limit, using a conservative fallback to preserve perceptual quality. Metadata stripping and color-space handling are applied by default to reduce size and ensure consistency. If the target cannot meet the size constraint without unacceptable quality loss, it returns the best-possible result with a report of the final size and dimensions.
Use cases and benefits: Ideal for thumbnails, banners, product thumbnails, and social previews where quick asset creation matters. Unique value includes a deterministic size cap, standard formats, and a simple parameter set that avoids software installation. Outputs include final format, dimensions, file size, and mime type. The tool is beneficial to teams aiming for faster asset delivery, reduced bandwidth, and consistent image quality across platforms. It does not perform batch processing or complex edits.

How to Use

  1. Upload the source image and select the target format.
  2. Optional: set quality and resize to approach 100 KB.
  3. Run the conversion to generate the output under the size cap.
  4. Review final format, size, and dimensions.
  5. Download or integrate the optimized image into your workflow.
How to use image converter up to 100 kb

Frequently Asked Questions

Find Quick Answers

What formats are supported?
Supported formats are JPEG, PNG, WEBP, and GIF. Some formats have limitations depending on the input transparency and metadata capabilities.
How is the 100 KB limit enforced?
The tool uses iterative encoding with optional resizing to approach 100 KB. If the limit cannot be met with acceptable quality, it returns the closest possible result and reports the final size.
Can transparency be preserved?
Yes for PNG and WEBP. JPEG does not support transparency, so transparency is lost in that case.
Is metadata preserved?
Metadata is stripped by default to maximize compression. It can be preserved if you set strip_metadata to false and the format permits metadata retention.

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