The Format Bench

local file conversion

Convert images

Drop in PNG, JPEG, WebP, GIF, BMP or SVG files and pull them back out in the format you actually need. Nothing uploads anywhere — conversion happens in this tab.

Drop images here

or click to browse — batches are fine

Smaller file90%Best quality

Add files, pick a format, then convert.

Conversion tray

Nothing in the tray yet.

Convert audio

Decode MP3, WAV, OGG, M4A or FLAC (whatever your browser can play) and export clean WAV or MP3 files. Larger files take a moment — everything runs on your machine.

Drop audio files here

or click to browse — batches are fine

Add files, pick a format, then convert.

Conversion tray

Nothing in the tray yet.

Convert text & data

Small utilities for the formats that don't fit neatly into images or audio.

First row of CSV is used as the column headers.

Convert documents

PDF, Word and Markdown tools. The Word and PDF text tools carry the words across but not layout, styling or images — for anything that needs to look pixel-perfect, treat these as a fast first pass.

Drop PDFs to merge

combined in the order you add them

Add two or more PDFs, then merge.

Files queued to merge

Nothing queued yet.

Quick converters

Small everyday conversions — colour codes, encoding, timestamps and text case.