0 WINS / 0 LOSSES

Best Source Code Compression Tool

Up to 0% smaller than LZMA. 0 wins, 0 losses across real-world Source Code files. Lossless, verified, free to try.

Compress Source Code Free Full Benchmarks
0%
Best Saving vs LZMA
0%
Median Saving
0W / 0T
Win / Tie Record
0
Losses

How PZIP Compresses Source Code

PZIP selects the best compression method based on file size and content. Predictive modeling captures keyword frequencies, indentation patterns, and naming conventions. For web-related code (JS, HTML, CSS), dictionary-based approaches provide additional gains.

Codec: Multi-codec selection
Lossless
Byte-exact round-trip verified on every file
Never-Worse
Falls back to LZMA if it can't beat it
Automatic
Type detection + codec selection is automatic

History of Source Code

Est. 1951Created by Early computing

Source code has been stored as text since the earliest computers. As codebases grow to millions of lines, compression of source archives, backups, and distribution becomes critical. Source code has unique patterns: indentation, keywords, naming conventions, and import statements.

Compression Timeline

1951

First stored-program source code

1972

C language — modern source code era begins

2005

Git revolutionizes code storage with packfiles

2018

GitHub reaches 100M repositories

2026

PZIP beats LZMA by up to 19.6% on source code

Real-World Benchmark Results

Every file tested with LZMA-9 (maximum compression) as baseline. Round-trip correctness verified on every file.

FileSizePZIP vs LZMAResultDownload
AnalysisDeclContext.cpp22.4 KBTIEERROR Source
ArchRebar.py27.3 KBTIEERROR Source
DrawView.cpp25.2 KBTIEERROR Source
GDBRemoteCommunication.cpp38.8 KBTIEERROR Source
LowerGpuOpsToROCDLOps.cpp26.2 KBTIEERROR Source
NVPTXLowerArgs.cpp28.0 KBTIEERROR Source
TailDuplication.cpp25.3 KBTIEERROR Source
TokenAnnotatorTest.cpp188.1 KBTIEERROR Source
aarch64-target-features.c67.2 KBTIEERROR Source
ab8500-gpadc.c36.1 KBTIEERROR Source
acle_sve_ld3.c31.6 KBTIEERROR Source
acme_acme.sh229.8 KBTIEERROR Source
acme_synology_dsm.sh20.2 KBTIEERROR Source
angular_references_and_rename.ts21.8 KBTIEERROR Source
angular_router_models.ts51.1 KBTIEERROR Source
ast-dump-if-json.cpp35.5 KBTIEERROR Source
babel_test_api.js29.5 KBTIEERROR Source
babel_test_scope.js50.1 KBTIEERROR Source
cpython_ast.py25.1 KBTIEERROR Source
cpython_bdb.py43.3 KBTIEERROR Source
cpython_dis.py44.4 KBTIEERROR Source
cpython_enum.py84.6 KBTIEERROR Source
cpython_gzip.py24.6 KBTIEERROR Source
cpython_heapq.py22.9 KBTIEERROR Source
cpython_os.py41.5 KBTIEERROR Source
cpython_pdb.py132.2 KBTIEERROR Source
cpython_pydoc.py107.0 KBTIEERROR Source
cpython_pyio.py94.4 KBTIEERROR Source
cpython_site.py25.0 KBTIEERROR Source
cpython_ssl.py52.8 KBTIEERROR Source
cpython_trace.py28.9 KBTIEERROR Source
cpython_uuid.py37.3 KBTIEERROR Source
cpython_wave.py21.8 KBTIEERROR Source
dcn35_fpu.c21.5 KBTIEERROR Source
descriptors_wacom.py86.1 KBTIEERROR Source
devio.c71.5 KBTIEERROR Source
display_rq_dlg_calc_20v2.c59.1 KBTIEERROR Source
elasticsearch_FaceIJK.java31.5 KBTIEERROR Source
elasticsearch_H3.java20.7 KBTIEERROR Source
elasticsearch_RestClient.java41.7 KBTIEERROR Source
elasticsearch_ScaleFunction.java23.5 KBTIEERROR Source
elasticsearch_module-info.java26.6 KBTIEERROR Source
ena_ethtool.c29.7 KBTIEERROR Source
express_response.js24.3 KBTIEERROR Source
express_test_app_router.js29.1 KBTIEERROR Source
express_test_json.js23.1 KBTIEERROR Source
go_cgocall.go27.7 KBTIEERROR Source
go_doc_comment_parse.go33.5 KBTIEERROR Source
go_elf.go136.7 KBTIEERROR Source
go_exec.go43.9 KBTIEERROR Source
go_html_entity.go114.3 KBTIEERROR Source
go_io.go22.5 KBTIEERROR Source
go_load_pkg.go123.5 KBTIEERROR Source
go_poset.go30.8 KBTIEERROR Source
go_runtime_time.go43.9 KBTIEERROR Source
go_sema.go20.8 KBTIEERROR Source
go_textproto_reader.go22.3 KBTIEERROR Source
go_typecheck_expr.go23.0 KBTIEERROR Source
go_types2_stmt.go23.1 KBTIEERROR Source
hda-loader.c22.1 KBTIEERROR Source
ixgbevf_main.c133.1 KBTIEERROR Source
jquery_ajax.js22.8 KBTIEERROR Source
jquery_event.js25.1 KBTIEERROR Source
jquery_selector.js38.7 KBTIEERROR Source
jquery_test_css.js67.3 KBTIEERROR Source
jquery_test_data.js32.6 KBTIEERROR Source
k8s_cronjob_controller.go29.4 KBTIEERROR Source
k8s_pod_util.go63.4 KBTIEERROR Source
k8s_pv_controller.go90.6 KBTIEERROR Source
linux_aio.c61.4 KBTIEERROR Source
linux_cma.c28.7 KBTIEERROR Source
linux_file.c39.3 KBTIEERROR Source
linux_gpio-aggregator.sh22.8 KBTIEERROR Source
linux_gup.c101.1 KBTIEERROR Source
linux_ioam6.sh50.5 KBTIEERROR Source
linux_pipe.c36.8 KBTIEERROR Source
linux_pmtu.sh78.5 KBTIEERROR Source
linux_rmap.c87.8 KBTIEERROR Source
linux_shm.c45.0 KBTIEERROR Source
linux_shmem.c159.3 KBTIEERROR Source
linux_socket.c91.0 KBTIEERROR Source
linux_super.c60.7 KBTIEERROR Source
linux_sysctl.sh22.1 KBTIEERROR Source
lodash_perf.js55.0 KBTIEERROR Source
lodash_test-fp.js63.8 KBTIEERROR Source
macho_platform.cpp53.7 KBTIEERROR Source
mixer-test.c29.3 KBTIEERROR Source
mmhub_v2_3.c22.7 KBTIEERROR Source
nodejs_assert.js25.9 KBTIEERROR Source
nodejs_child_process.js30.5 KBTIEERROR Source
nodejs_fs.js85.1 KBTIEERROR Source
nodejs_http2_core.js113.2 KBTIEERROR Source
nodejs_quic.js71.1 KBTIEERROR Source
nodejs_streams_writable.js32.8 KBTIEERROR Source
nodejs_webstreams_adapters.js26.0 KBTIEERROR Source
nodejs_webstreams_writablestream.js37.9 KBTIEERROR Source
nutdec.c42.9 KBTIEERROR Source
nvm_nvm.sh149.1 KBTIEERROR Source
oxygen_lib.c24.3 KBTIEERROR Source
parallel_masked_taskloop_simd_reduction_messages.cpp23.3 KBTIEERROR Source
pinctrl-single.c48.9 KBTIEERROR Source
pinctrl-sun20i-d1.c31.3 KBTIEERROR Source
rails_application.rb29.4 KBTIEERROR Source
rails_asset_tag_helper.rb34.6 KBTIEERROR Source
rails_cache.rb43.4 KBTIEERROR Source
rails_callbacks.rb31.0 KBTIEERROR Source
rails_date_helper.rb63.2 KBTIEERROR Source
rails_engine.rb25.9 KBTIEERROR Source
rails_fixtures.rb26.3 KBTIEERROR Source
rails_migration.rb54.2 KBTIEERROR Source
rails_template.rb20.6 KBTIEERROR Source
rails_transactions.rb21.8 KBTIEERROR Source
react_LargeContent.js68.0 KBTIEERROR Source
react_ReactJSXElement.js28.0 KBTIEERROR Source
ruby_block_spec.rb35.4 KBTIEERROR Source
ruby_mkmf.rb93.2 KBTIEERROR Source
ruby_yjit.rb22.7 KBTIEERROR Source
rust_alloc_fmt.rs26.6 KBTIEERROR Source
rust_alloc_rc.rs150.5 KBTIEERROR Source
rust_alloc_str.rs24.9 KBTIEERROR Source
rust_core_any.rs33.7 KBTIEERROR Source
rust_core_cell.rs95.8 KBTIEERROR Source
rust_core_cmp.rs72.9 KBTIEERROR Source
rust_core_pin.rs94.6 KBTIEERROR Source
rust_rustdoc_lib.rs34.2 KBTIEERROR Source
rust_std_env.rs37.0 KBTIEERROR Source
rust_std_fs.rs120.3 KBTIEERROR Source
rust_std_path.rs130.9 KBTIEERROR Source
rust_std_time.rs33.6 KBTIEERROR Source
sdhci-pci-gli.c63.6 KBTIEERROR Source
servo_font.rs33.2 KBTIEERROR Source
servo_malloc_size_of.rs44.0 KBTIEERROR Source
spi-bcm2835.c42.3 KBTIEERROR Source
spi-zynqmp-gqspi.c41.0 KBTIEERROR Source
spring_DefaultSingletonBeanRegistry.java30.0 KBTIEERROR Source
spring_InternalSpelExpressionParser.java34.9 KBTIEERROR Source
spring_JdbcTemplate.java63.3 KBTIEERROR Source
spring_JmsTemplate.java43.6 KBTIEERROR Source
spring_ObjectUtils.java32.7 KBTIEERROR Source
spring_UriComponentsBuilder.java27.0 KBTIEERROR Source
spring_WebUtils.java33.6 KBTIEERROR Source
spring_asm_Type.java32.7 KBTIEERROR Source
spring_util_Assert.java24.7 KBTIEERROR Source
sun4i_frontend.c20.1 KBTIEERROR Source
thermal_sysfs.c21.1 KBTIEERROR Source
threejs_Box3.js20.7 KBTIEERROR Source
threejs_Color.js25.3 KBTIEERROR Source
threejs_Three.TSL.js28.1 KBTIEERROR Source
tls_main.c31.7 KBTIEERROR Source
typescript_binder.ts189.7 KBTIEERROR Source
typescript_jsDoc.ts24.3 KBTIEERROR Source
typescript_project.ts129.1 KBTIEERROR Source
typescript_services.ts155.6 KBTIEERROR Source
typescript_session.ts197.5 KBTIEERROR Source
typescript_sys.ts84.1 KBTIEERROR Source
typescript_utilities.ts167.4 KBTIEERROR Source
verifier_sock.c29.0 KBTIEERROR Source
vgic-v3.c26.3 KBTIEERROR Source
vscode_chatEditingServiceImpl.ts20.3 KBTIEERROR Source
vscode_editorCommands.ts58.5 KBTIEERROR Source
vscode_inlineChatController.ts30.1 KBTIEERROR Source
vscode_notebookExecutionStateServiceImpl.ts22.0 KBTIEERROR Source
vscode_textModel.ts105.8 KBTIEERROR Source
webpack_BinaryMiddleware.js31.8 KBTIEERROR Source
webpack_DefinePlugin.js24.4 KBTIEERROR Source
webpack_ExternalModule.js34.1 KBTIEERROR Source
webpack_NormalModuleFactory.js47.3 KBTIEERROR Source
webpack_buildChunkGraph.js42.8 KBTIEERROR Source
zoran_device.c25.7 KBTIEERROR Source

Frequently Asked Questions

Does PZIP understand programming languages?

+

PZIP uses statistical models that learn code patterns without language-specific parsers. The result: consistent wins across Python, JavaScript, YAML, Makefiles, and Dockerfiles.

PZIP vs Other Compressors for Source Code

FeaturePZIPLZMA / xzgzipzstd
Type-AwareYesNoNoNo
LosslessYesYesYesYes
Never-Worse GuaranteeYesN/AN/AN/A
Best Source Code Saving0%BaselineWorse~Similar
Round-Trip VerifiedEvery fileManualManualManual

Try PZIP on Your Source Code Files

Upload any Source Code file up to 30 MB. Free during beta — no signup required. See how much smaller PZIP makes it.

Compress Source Code Now All File Types
Baseline:     LZMA-9 (maximum compression)
Competitors:  gzip-9, bz2-9, brotli-11, zstd-19, PPMd 2-24
Verification: Byte-exact round-trip on every file
Guarantee:    Never-worse (PZIP <= LZMA, always)
Test files:   169 real-world Source Code files
Updated:      2026-02-15