Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
- csv
- javascript
- csv-parser
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fast-cpp-csv-parser
Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.
- csv
- csv-converter
- csv-export
- csv-file
Streaming csv parser inspired by binary-csv that aims to be faster than everyone else
One of the World's Fastest .NET CSV Parsers. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.
- csharp
- csv
- csv-parser
- csv-reader
A modern C++ CSV parser and serializer that doesn't make you choose between ease of use or performance.
C++ CSV parser library
- csv-parser
- c-plus-plus
- library
- linux
csvutil provides fast and idiomatic mapping between CSV and Go (golang) values.
- golang
- csv
- fast
- csv-parser
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
- annotation
- apache-poi
- csv
- data-processing
Typed, zero-dependency CSV parser and encoder for TypeScript. Streams with flat memory and runs on Node, browsers, Deno, Bun, and edge.