JS7z - 7-Zip 25.01 WebAssembly Port

Preview, extract, or convert nearly any archive format completely within your browser!

Supported File Types

• 7z (.7z): 7-Zip archive format.
• APFS (.apfs): Apple File System image.
• APM (.apm): Apple Partition Map.
• AR (.ar .a .deb .udeb .lib): Unix archiver format.
• ARJ (.arj): Arj archive format.
• Base64 (.b64): Base64 encoded file.
• BZIP2 (.bz2 .bzip2 .tbz2 .tbz): BZIP2 compression algorithm.
• CAB (.cab): Microsoft Cabinet archive format.
• CHM (.chm .chi .chq .chw): Microsoft Compiled HTML Help format.
• Compound (.msi .msp .doc .xls .ppt): Compound file format.
• COFF (.obj): Common Object File Format.
• CPIO (.cpio): Unix cpio archive format.
• CramFS (.cramfs): Compressed ROM File System image.
• DMG (.dmg): Apple Disk Image format.
• ELF (.elf): Executable and Linkable Format.
• Ext (.ext .ext2 .ext3 .ext4 .img): Linux Extended File System image.
• FAT (.fat .img): File Allocation Table disk image.
• FLV (.flv): Flash Video format.
• GPT (.gpt .mbr): GUID Partition Table or Master Boot Record.
• GZIP (.gz .gzip .tgz .tpz .apk): GNU ZIP compression algorithm.
• HFS (.hfs .hfsx): Hierarchical File System image.
• HXS (.hxs .hxi .hxr .hxq .hxw .lit): Microsoft Help 2 file format.
• IHex (.ihex): Intel Hex format.
• ISO (.iso .img): ISO disc image format.
• LP (.lp .img): LP disc image format.
• LZH (.lzh .lha): Lempel-Ziv-Huffman archive format.
• LZMA (.lzma): LZMA compression algorithm.
• LZMA86 (.lzma86): LZMA86 compression algorithm.
• MBR (.mbr): Master Boot Record.
• MachO (.macho): Mach-O Executable format.
• MsLZ (.mslz): Microsoft LZ algorithm.
• MUB (.mub): MUB partition format.
• NTFS (.ntfs .img): New Technology File System image.
• NSIS (.nsis): Nullsoft Scriptable Install System format.
• PE (.exe .dll .sys): Portable Executable format.
• PPMd (.pmd): PPMd compression algorithm.
• QCOW (.qcow .qcow2 .qcow2c): QEMU Copy-On-Write format.
• RAR (.rar .r00): RAR archive format.
• RAR5 (.rar .r00): RAR5 archive format.
• RPM (.rpm): RPM Package Manager format.
• SWF (.swf): Small Web Format.
• SWFc (.swf): SWF Compressed format.
• Sparse (.simg .img): Sparse disk image format.
• Split (.001): Split file format.
• SquashFS (.squashfs): Squash File System format.
• TAR (.tar .ova): Tape Archive format.
• TE (.te): Text Encoding format.
• UEFIc (.scap): UEFI capsule format.
• UEFIf (.uefif): UEFI firmware format.
• UDF (.udf .iso .img): Universal Disk Format.
• VDI (.vdi): Virtual Disk Image format.
• VHD (.vhd): Virtual Hard Disk format.
• VHDX (.vhdx .avhdx): Virtual Hard Disk 2 format.
• VMDK (.vmdk): Virtual Machine Disk format.
• WIM (.wim .swm .esd .ppkg): Windows Imaging Format.
• XAR (.xar .pkg .xip): XAR archive format.
• XZ (.xz .txz): XZ format.
• Z (.z .taz): Unix compress format.
• ZIP (.zip .z01 .zipx .jar .xpi .odt .ods .docx .xlsx .epub .ipa .apk .appx): ZIP archive format.
• ZSTD (.zst .tzst): Zstandard compression algorithm.

Immediately create and return a new archive from supplied files.

Convert almost any archive format to a common format.

Test that archives can be successfully extracted, without actually extracting them.

Calculate common hash types for supplied files.

Compression

Encryption

Naming