Archive formats.
What opens, what edits, and what is coming next.
FormatExtensionsSupportDetails
7-ZipArchives
.7z
AvailableList and extract supported unencrypted single-file 7z archives through libarchive. Up to 256 MiB compressed/expanded, 1,000 entries and a 1,000:1 ratio. Unsafe paths, links and special entries are rejected. Import/extraction only; no 7z encoding or password support.Open tool
TAR.XZ / TXZArchives
.tar.xz .txz
AvailableList and extract one XZ-compressed TAR stream. 64 MiB decoder memory, 256 MiB expanded, 1,000 entries and a 1,000:1 ratio. Concatenated streams and trailing data are rejected. Export/repacking uses the existing archive outputs.Open tool
TAR.BZ2 / TBZArchives
.tar.bz2 .tbz2 .tbz
AvailableList and extract one BZIP2-compressed TAR stream. Existing TAR path/type, 1,000-entry, 256 MiB expansion and 1,000:1 ratio bounds apply. Concatenated streams and trailing data are rejected. Input/extraction only.Open tool
XZ streamArchives
.xz
AvailableDecompress one XZ stream to a file named from the upload. Up to 256 MiB compressed/expanded, 64 MiB decoder memory and a 1,000:1 ratio. Concatenation, trailing bytes and dictionaries exceeding the decoder budget are rejected. No XZ encoding.Open tool
BZIP2 streamArchives
.bz2
AvailableDecompress one BZIP2 stream to a file named from the upload. Up to 256 MiB compressed/expanded and a 1,000:1 ratio. Concatenated streams and trailing bytes are rejected. No BZIP2 encoding.Open tool
TARArchives
.tar
AvailableUSTAR/PAX regular files and directories. Links, devices and sparse files are rejected. List, extract or create.Open tool
TAR.GZ / TGZArchives
.tar.gz .tgz
AvailableGZIP-compressed TAR. List, extract or create with the same entry and expanded-size limits as TAR.Open tool
GZIPArchives
.gz
AvailableDecompress one stream. The output name comes from the uploaded filename, not the embedded GZIP filename.Open tool
TAR.ZST / TZSTArchives
.tar.zst .tar.zstd .tzst
AvailableList, extract or create Zstandard-compressed TAR. The TAR entry/path, 256 MiB expansion and 1,000:1 ratio limits apply. No dictionaries; decoder window at most 64 MiB.Open tool
ZstandardArchives
.zst .zstd
AvailableDecompress one standard Zstandard frame without a dictionary, up to 256 MiB expanded and 1,000:1 ratio. Decoder window at most 64 MiB; skippable-only and concatenated frames are rejected. Output name comes from the uploaded filename.Open tool
BrotliArchives
.br
AvailableDecompress one Brotli stream, up to 256 MiB expanded and 1,000:1 ratio. The format has no magic signature; the decoder validates the stream. Output name comes from the uploaded filename. No Brotli encoding.Open tool
RAR archivesArchives
.rar
AvailableList and extract supported single-volume RAR 4/5 through libarchive. Up to 256 MiB compressed/expanded, 1,000 entries and a 1,000:1 ratio. Encrypted headers/files, split volumes, executable SFX files, links and unsafe paths are rejected. RAR is read-only; repack extracted files with an existing archive output.Open tool
Available means a supported operation exists. It does not imply lossless editing of every feature. Engine builds can change codec availability.
Archive formats
Open a dedicated page for supported operations, preservation limits and instructions. Planned formats remain clearly labelled. FileEditor.net is free to use without an account.