Guides

File Reducer guides and tutorials

Clear explanations and tested settings for making images, PDFs and videos smaller without guesswork.

JPG

Quality values, resizing and target-size mode explained for photos that need to fit an upload limit.

Overview

What a browser-based compressor can do for each file type, and what to expect from the results.

PDF

Why scans are heavy, what the Light, Balanced and Strong levels change and when a PDF cannot shrink.

Images

A close look at output formats, quality values and resizing so each image lands at the right size.

Video

Real-time re-encoding, resolution, bitrate and output formats explained in plain language.

Comparison

Privacy, speed, batch work and format support compared for browser tools and installed programs.

MP4

Estimate the final size from bitrate and length, then pick settings that fit your limit.

Design

Make design exports lighter for clients, websites and social posts while keeping text sharp.

Help

The real reasons files resist compression, and the settings that make the biggest difference.