Alternatives

Products that do what CSV Slice Master does

Easily split large CSV files without limits.

1. 1SS
   Split Spreadsheets – Easily Split Large CSVs into Smaller Files▲7

   2019 · splitspreadsheets.com

2. 2
   CSVshare▲184

   Instantly share CSV data and make it searchable

   2017

3. 3
   Excel Splitter▲7

   Bulk split excel files & sheets - support based on rows

   2025

4. 4CS
   Comma Separated Values (CSV) to Unicode Separated Values (USV)▲208

   2024 · crates.io

5. 5
   Modern CSV▲111

   A CSV editor/viewer

   2019

6. 6
   ZippyRows▲8

   Free csv editor & data tools

   2025

7. 7CG
   CSV GB+ by Data.olllo – Open and Process CSVs Locally▲51

   I built CSV GB+ by Data.olllo, a local data tool that lets you open, clean, and export gigabyte-sized CSVs (even billions of rows) without writing code. Most spreadsheet apps choke on big files. Coding in pandas or Polars works—but not everyone wants to write scripts just to filter or merge CSVs. CSV GB+ gives you a fast, point-and-click interface built on dual backends (memory-optimized or disk-backed) so you can process huge datasets offline. Key Features: Handles massive CSVs with ease — merge, split, dedup, filter, batch export Smart engine switch: disk-based "V Core" or RAM-based "P…

   2025 · apps.microsoft.com

8. 8
   CSV Tools Online▲13

   Powerful data tools. No coding.

   2025

9. 9
   HowToCSV▲4

   Even if you hate spreadsheets, you'll love this

   Jun 2026 · howtocsv.com

10. 10
    CSV to JSON Converter▲3

    16 free browser-based CSV tools — no upload, no signup

    Jun 2026 · csvtojsonconverter.com

11. 11
    Free chart generator by Embedful▲102

    Turn CSV & Excel files into charts in seconds

    Apr 2026 · embedful.io

12. 12CL
    Convert Large CSV/XLSX to JSON or XML in Browser▲41

    Hello HN, I'm excited to share a project I've been working on: A simple, fast way to process huge CSV and XLSX files directly in your browser and export them as clean JSON or XML Here's a few things that makes this converter different: - runs in the browser - all parsing and conversion is client side can handle data any size data - automatically detects delimiters, encodings, and data types as it parses - Live preview with column renaming, search/replace, and data cleanup - Export to JSON or XML — clean, structured output that can be used for API or Databases backstory: I built this…

    2025 · csvforge.com

13. 13
    JSON File Splitter Online▲9

    Split large JSON files online quickly and easily 100% free

    2025

14. 14
    CSV GB+ by Data.olllo▲6

    Handle CSV Files with Simplicity — No Coding Needed.

    2025

15. 15CE
    CSV Explorer (YC F1) - Explore CSVs with Millions of Rows▲60

    2017 · csvexplorer.com

16. 16
    Excel Verteiler▲5

    Split a spreadsheet into multiple files, no uploads

    Jul 2026 · svedalwerz.gumroad.com

17. 17
    Convert CSV files to searchable and sortable HTML table▲28

    Simple command-line utility to convert CSV, TSV and Excel files into a single self-contained HTML page with search, filters, and sorting - vividvilla/csvtotable

    2017 · github.com

18. 18
    DataMani — Free Data Manipulation Tools▲3

    Merge, split & convert Excel/CSV — zero uploads, zero cost

    Jul 2026 · data-mani.com

19. 19
    CSVall — 100+ Free Online CSV Tools▲1

    The complete toolkit for CSV files.

    May 2026 · csvall.com

20. 20
    Lake3Tools CSV Compare desktop app▲5

    Compare CSV files with 10s of millions of rows in seconds.

    Jan 2026 · lake3tools.com

21. 21
    DataFlow CSV Editor▲2

    Edit, clean, and manage CSV files instantly in your browser.

    Nov 2025 · chromewebstore.google.com

22. 22
    Myparser AI▲25

    Extract structured data from documents in minutes

    2025

23. 23
    howToCSV▲6

    Even if you hate CSV, you'll love this

    Jan 2026 · howtocsv.com

24. 24
    csv.repair - A free CSV file repair tool▲1

    Your broken CSV ends here.

    Feb 2026 · csv.repair

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