Open Data File Types Online Free (No Software)

What Are Data Files?

Data files store data data used by developers, analysts, and data engineers. OpenAnyFile supports 170 different data file formats, letting you parse and transform any of them directly in your browser without installing software.

Whether you need to view, analyze, or convert data files, our platform handles them all. 170 formats support conversion to other formats.

Open DATA File Online — Free & Instant

No signup required. Works in your browser.

📁 Drag & drop your file here

or click to browse • Max 100MB

Open DATA Now

✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install

How to Open Data Files Online

Upload — Drag your data file into OpenAnyFile
Auto-detect — Our system identifies the exact format using signature analysis
View — Parse and transform the file in your browser
Convert — Optionally convert to another format

All Data Formats (170)

KML (.kml) — KML is XML-based format for Google Earth geographic data.
YML (.yml) — YML is the short extension for YAML data files.
TOML (.toml) — TOML is a minimal configuration file format.
SQL (.sql) — SQL files contain database query scripts and schema definitions.
PROTO (.proto) — Protocol Buffers schema definition file.
AVRO (.avro) — Apache Avro binary data serialization format.
PARQUET (.parquet) — Apache Parquet columnar storage format for analytics.
LAS (.las) — LAS stores 3D point cloud data from LiDAR scanning.
LAZ (.laz) — LAZ is compressed LAS point cloud data.
ORC (.orc) — Optimized Row Columnar format
MSGPACK (.msgpack) — MessagePack binary serialization
BSON (.bson) — Binary JSON used by MongoDB
JSONL (.jsonl) — JSON Lines - one JSON per line
NDJSON (.ndjson) — Newline Delimited JSON
RDS (.rds) — R single object file
MARC_XML (.xml) — MARCXML Record
MODS (.xml) — MODS Metadata
DC (.xml) — Dublin Core Metadata
PREMIS (.xml) — PREMIS Preservation
METS (.xml) — METS Digital Object
EAD (.xml) — Encoded Archival Description
TEI (.xml) — Text Encoding Initiative
ALTO (.xml) — ALTO OCR Layout
PAGE_XML (.xml) — PAGE OCR Format
FEATHER (.feather) — Apache Arrow Feather format
ASN1 (.asn1) — ASN.1 Schema
CBOR (.cbor) — Concise Binary Object
ION (.ion) — Amazon Ion Data
GRAPHQL (.graphql) — GraphQL Schema/Query
RAML (.raml) — RESTful API Modeling
SMITHY (.smithy) — Smithy API Model
CAPNP (.capnp) — Cap'n Proto Schema
KMZ (.kmz) — KMZ is compressed KML archive for Google Earth.
AGG (.agg) — Aggregate Data File
ARROW (.arrow) — Apache Arrow IPC
ARROW_STREAM (.arrows) — Arrow Streaming IPC
LANCE (.lance) — Lance Columnar Format
DELTA (.parquet) — Delta Lake Table
ICEBERG (.metadata.json) — Apache Iceberg Metadata
HUDI (.parquet) — Apache Hudi Table
TFLITE (.tflite) — TensorFlow Lite Model
COREML (.mlmodel) — Core ML Model
PYTORCH (.pt) — PyTorch Model
PYTORCH2 (.pth) — PyTorch Checkpoint
KERAS (.h5) — Keras Model (HDF5)
SAVEDMODEL (.pb) — TensorFlow SavedModel
PICKLE (.pkl) — Python Pickle
JOBLIB (.joblib) — Joblib Serialized Object
NPY (.npy) — NumPy Array
NPZ (.npz) — NumPy Compressed Archive
ZARR (.zarr) — Zarr Array Store
ANNDATA (.h5ad) — AnnData Single Cell
LOOM (.loom) — Loom Single Cell Matrix
SEURAT (.rds) — Seurat Object
MTX (.mtx) — Matrix Market Format
FITS_TABLE (.fits) — FITS Table Data
VOT (.vot) — VOTable Astronomy
ASDF (.asdf) — ASDF Astronomy Data
MEF_FITS (.fits) — Multi-Extension FITS
SHP (.shp) — Shapefile stores geographic vector data for GIS.
PGN (.pgn) — Portable Game Notation (Chess)
SGF (.sgf) — Smart Game Format (Go)
FEN (.fen) — Forsyth-Edwards Notation
EPD (.epd) — Extended Position Description
BIBTEX (.bib) — BibTeX Bibliography
RIS2 (.ris) — RIS Bibliography
CSL (.csl) — Citation Style Language
BIBLATEX (.bib) — BibLaTeX Bibliography
ZOTERO_RDF (.rdf) — Zotero RDF Export
MARC (.mrc) — MARC Bibliographic Record
HOCR (.hocr) — hOCR HTML+OCR
SKOS (.rdf) — SKOS Vocabulary
OWL (.owl) — OWL Ontology
RDF_DATA (.rdf) — RDF Data
TURTLE (.ttl) — Turtle RDF
EDTF (.txt) — Extended Date/Time Format
XML (.xml) — XML is a markup language for storing and transporting structured data.
N_TRIPLES (.nt) — N-Triples RDF
N_QUADS (.nq) — N-Quads RDF
TRIG (.trig) — TriG RDF
JSON_LD (.jsonld) — JSON-LD Linked Data
SPARQL (.rq) — SPARQL Query
SHACL (.ttl) — SHACL Shape Constraint
HYDRA (.jsonld) — Hydra API Description
SHAPEMAP (.smap) — ShapeMap Validation
SHEX (.shex) — Shape Expressions
DCAT (.ttl) — Data Catalog Vocabulary
GEDCOM (ged) — Genealogy data exchange
RDF (rdf) — Resource Description Framework
Turtle (ttl) — Terse RDF Triple Language
N-Triples (nt) — N-Triples RDF format
N-Quads (nq) — N-Quads RDF format
JSON-LD (jsonld) — JSON for Linked Data
MessagePack (msgpack) — MessagePack binary serialization
Protocol Buffers (proto) — Protocol Buffers schema
FlatBuffers (fbs) — FlatBuffers schema
Cap'n Proto (capnp) — Cap'n Proto schema
Thrift (thrift) — Apache Thrift IDL
Avro Schema (avsc) — Apache Avro schema
Avro Data (avro) — Apache Avro data container
Parquet (parquet) — Apache Parquet columnar
Arrow IPC (arrow) — Apache Arrow IPC format
Feather (feather) — Feather fast data frame
Ion (ion) — Amazon Ion data format
Smile (smile) — Jackson Smile binary JSON
UBJSON (ubj) — Universal Binary JSON
JSON5 (json5) — JSON5 extended format
HJSON (hjson) — Human JSON
CSON (cson) — CoffeeScript Object Notation
KDL (kdl) — KDL Document Language
RON (ron) — Rusty Object Notation
Dhall (dhall) — Dhall programmable config
SPSS (sav) — SPSS statistics data
SAS Transport (xpt) — SAS transport file
Stata DTA (dta) — Stata data file
R Data (rda) — R serialized data
HDF4 (hdf4) — Hierarchical Data Format 4
NetCDF Classic (nc) — NetCDF classic format
NetCDF4 (nc4) — NetCDF-4 / HDF5 based
Zarr (zarr) — Zarr chunked array store
TileDB (tiledb) — TileDB array database
MatLab MAT (mat) — MATLAB data file
Octave (oct) — GNU Octave data file
Julia JLD2 (jld2) — Julia HDF5 data file
Pickle (pkl) — Python pickle serialization
Joblib (joblib) — Joblib Python persistence
NumPy NPY (npy) — NumPy array binary
NumPy NPZ (npz) — NumPy compressed arrays
Pandas HDF (h5) — Pandas HDF5 store
Fixed Width (dat) — Fixed-width column data
SDF Chemical (sdf) — Structure Data Format (Chem)
CSV (.csv) — CSV stores tabular data as comma-separated text values.
GPX (.gpx) — GPX (GPS Exchange Format) is an open XML schema for sharing GPS data including w
ENDNOTE_XML (.xml) — EndNote XML
Protocol Buffer Map (proto) — Protobuf message map
GraphQL Query (gql) — GraphQL query document
MQL (mql) — MongoDB Query Language
Elasticsearch DSL (es.json) — Elasticsearch query DSL
XSLT (xslt) — XSLT XML transformation
SPARQL Query (rq) — SPARQL RDF query
Cypher Query (cypher) — Neo4j Cypher query
CQL (cql) — Cassandra Query Language
InfluxQL (influxql) — InfluxDB Query Language
PromQL (promql) — Prometheus Query Language
LogQL (logql) — Grafana Loki query lang
Flux Query (flux) — InfluxDB Flux language
KQL (kql) — Kusto Query Language
Splunk SPL (spl) — Splunk Search Processing
Solr Query (solr) — Apache Solr query syntax
XQuery (xq) — XQuery XML query language
XPath (xpath) — XPath XML path expression
JSONPath (jsonpath) — JSONPath query expression
JMESPath (jmespath) — JMESPath JSON query
FLATBUF (.fbs) — FlatBuffers Schema
THRIFT (.thrift) — Apache Thrift IDL
DVC (.dvc) — DVC Data Version Control
SAFETENSORS (.safetensors) — Safetensors ML Weights
GGUF (.gguf) — GGUF LLM Model
ONNX (.onnx) — ONNX Neural Network
TSV (.tsv) — TSV stores tabular data using tab-separated values.
JSON (.json) — JSON is a lightweight data interchange format using key-value pairs.
CKAN (.json) — CKAN Data Package
DATAPACKAGE (.json) — Frictionless Data Package
CSVW (.json) — CSV on the Web Metadata
IIIF (.json) — IIIF Manifest
CSV TSV (tsv) — Tab-separated values
YAML (.yaml) — YAML is a human-readable data serialization language.
OPENAPI (.yaml) — OpenAPI Specification
ASYNCAPI (.yaml) — AsyncAPI Specification
GEOJSON (.geojson) — GeoJSON encodes geographic data structures in JSON.

Popular Data Conversions

KML Converter — Convert to 6 formats
YML Converter — Convert to 3 formats
TOML Converter — Convert to 3 formats
SQL Converter — Convert to 2 formats
PROTO Converter — Convert to 2 formats
AVRO Converter — Convert to 3 formats
PARQUET Converter — Convert to 3 formats
LAS Converter — Convert to 3 formats
LAZ Converter — Convert to 3 formats
ORC Converter — Convert to 2 formats

Frequently Asked Questions

What are data files?

Data files are a category of file formats used to store data data. OpenAnyFile supports 170 data formats.

How do I open data files online?

Upload any data file to OpenAnyFile and parse and transform it instantly in your browser. No software needed.

Can I convert between data formats?

Yes. 170 of our 170 data formats support conversion to other formats.