LowQualityImage

File size first

Image Quality Reducer for Target File Sizes

Set a practical byte budget, then let the editor find the closest quality level. It is a direct way to make images fit upload limits without sending a file away.

Your image never leaves your device. No account or watermark
Choose an image
A large illustrated file transformed into a compact web-ready image

Edit an image locally.

No account, watermark, or upload queue. The file never leaves your browser.

Drop in an image
JPG, PNG, or WebP up to 25 MiB. Your file stays on this device.

Waiting for an image

What this solves

An image quality reducer is useful when an upload accepts a certain file size, not a certain quality percentage. The target-size control searches available JPEG or WebP quality levels and returns the closest local result.

A target is an aim, not a promise of an exact byte count. Source content, dimensions, format, and browser encoding all affect the final result.

Key capabilities

Every control changes a different kind of image loss, so you can choose the trade-off instead of guessing.

Byte-first workflow

Choose 100 KiB, 200 KiB, or 500 KiB as the outcome you need before evaluating visual quality.

Bounded quality search

The editor tests a limited set of encoder settings so the browser remains responsive.

Format-aware export

Auto mode chooses WebP for PNG sources with transparency and JPEG for typical photographic sources.

How to use it

Choose a realistic size budget, look at the downloaded-size estimate, then lower dimensions only when the output still exceeds your visual tolerance.

  1. Step 1

    Choose the upload budget

    Start with the target closest to the actual platform limit, leaving room for an attachment or message wrapper.

  2. Step 2

    Compare output size

    Read the source and export bytes together; the percentage saved makes the trade-off visible.

  3. Step 3

    Protect readability

    If text or a face breaks first, raise quality or reduce dimensions more gradually.

Use cases

Start from a known outcome, then change one control at a time while the original stays visible.

A large illustrated file transformed into a compact web-ready image
TARGET / 200 KIB WEB EXPORT

Website hero draft

Use a 200 KiB target as a starting point, then inspect large gradients and type overlays at display size.

Email attachment

Use 500 KiB when an image needs enough detail to survive a second compression step by an email client.

Form upload limit

Choose 100 KiB when a strict field rejects larger files; lower dimensions if quality alone cannot reach the budget.

Quick mobile share

Reduce bytes first when upload time matters more than a perfect original copy.

Decision guide

Choose a starting point based on the result you need, then inspect the detail that matters before exporting.

A strict form limit

Start with

100 KiB

Watch for text and small ui detail.

A web content image

Start with

200 KiB

Watch for gradients and image dimensions.

An email-friendly attachment

Start with

500 KiB

Watch for downstream client compression.

Transparency

Start with

Auto / WebP

Watch for whether the receiving platform supports webp.

Frequently asked questions

Continue with the right task

Use the focused guide when the next image needs a different kind of loss.

Make a deliberate low-fi versionUse presets for artefacts, pixels, colour push, and noise.Learn which control to changeChoose between compression, resizing, and pixelation for the effect you need.
Browser-only processing No watermark