All tools

350 conversions, all free, no account needed. Grouped by what you already have.

Images13 formats

HEIC

.heic .heif

What an iPhone saves photos as by default.

PSD

.psd

A Photoshop document, with all its layers.

SVG

.svg

A drawing described as shapes and coordinates rather than pixels, so it stays sharp at any size.

JPEG

.jpg .jpeg .jfif .jpe

The everyday photo format, understood by every device made in the last thirty years.

PNG

.png

Lossless image format with transparency.

WebP

.webp

Google’s web image format — roughly 30 percent smaller than JPEG at the same quality.

AVIF

.avif

The smallest of the modern web formats, built on the AV1 video codec.

GIF

.gif

The old animated format, limited to 256 colours per frame.

BMP

.bmp .dib

Windows’ uncompressed bitmap, unchanged since 1990.

TIFF

.tiff .tif

The archival and print format — lossless, multi-page, and able to hold CMYK colour.

ICO

.ico

Windows icon container, holding several sizes of the same image in one file.

TGA

.tga .targa

Truevision Targa — a simple format that game engines and 3D tools still use for textures.

WBMP

.wbmp

A one-bit black-and-white format from the era of WAP phones.

Documents13 formats

PDF

.pdf

The format that looks the same everywhere, because it carries its own fonts and layout.

DOC

.doc

Word’s format from before 2007.

PPT

.ppt

PowerPoint’s format from before 2007.

DOCX

.docx

Microsoft Word’s current format.

ODT

.odt

The open document standard, used by LibreOffice and OpenOffice.

RTF

.rtf

Rich Text Format — formatted text that almost every word processor ever written can open.

TXT

.txt .text .log

Plain text with no formatting at all.

HTML

.html .htm

A web page — text, layout and links, all as plain markup.

Markdown

.md .markdown

Plain text with a light sprinkling of formatting marks.

PPTX

.pptx

A PowerPoint presentation — slides, notes, transitions and embedded media in one file.

XLS

.xls

Excel’s format from before 2007.

XLSX

.xlsx

An Excel workbook — one file holding several sheets, with formulas and formatting intact.

CSV

.csv .tsv

A table as plain text, one row per line.

Audio9 formats

MP3

.mp3

The format that made digital music portable, and the one every device on earth can play.

WAV

.wav .wave

Raw, uncompressed sound exactly as it was recorded — big files, nothing thrown away.

FLAC

.flac

Lossless compression — about half the size of WAV with every sample still intact.

OGG Vorbis

.ogg .oga

A free, patent-unencumbered alternative to MP3 that sounds better at the same size.

WMA

.wma

Microsoft's old audio format, common on Windows machines from the 2000s.

M4A (AAC)

.m4a .m4b

The format Apple devices record and sell music in — AAC audio in an MP4 container.

AAC

.aac .adts

The same codec as M4A, but as a bare stream instead of inside a container.

Opus

.opus

The newest of the lot, and the best sound per kilobyte of anything here.

AIFF

.aiff .aif .aifc

Apple's uncompressed format — the same idea as WAV, from the other side of the fence.

Archives5 formats

RAR

.rar

A proprietary archive format from WinRAR.

ZIP

.zip

The archive format every operating system opens without extra software.

7Z

.7z

A newer archive format that packs considerably tighter than ZIP.

TAR

.tar

A Unix container that bundles files together without compressing them.

TAR.GZ

.gz .tgz .taz

A TAR bundle squeezed with gzip — the standard way to ship software on Linux.

All tools — FileFlint