Alternatives

Products that do what Nihonpost – I parsed Japan Post's KEN_ALL.CSV so you don't have to does

1. 1IB
   I built a tool to remove news articles from HN▲131

   2020 · hn.luap.info

2. 2NS
   Nihongo – Study Japanese using authentic text from games, songs, etc.▲139

   2015 · nihongo-app.com

3. 3
   HelloCSV - A free FlatFile alternative▲123

   A modern, frontend only, open source, CSV importer

   2025

4. 4EH
   Export HN saved links (upvotes) as JSON or CSV▲82

   2016 · github.com

5. 5PU
   Prune Unwanted Stories from HN Front Page▲49

   2012 · swapped.cc

6. 6ET
   Extension to filter out submissions on hckrnews.com▲6

   https://gist.github.com/ivmirx/66a0015884d44297ea05a8c54d935... Sharing this simple thing because it really saves me time in the last weeks. I don't need to comb through news about tech I don't use, "celebrities" or the US anymore. And no more slipping into their comments to procrastinate.

   2017

7. 7WP
   Weekend Project - Hide Inane Comments on HN▲28

   2013 · github.com

8. 8SH
   Search HN Favorites or Export to CSV/HTML▲49

   I wrote a JavaScript tool to search your HN favorites and export them to CSV or HTML. The JavaScript runs in your browser like a browser extension. It scrapes the HTML and navigates from page to page. Setup and usage instructions are in the file.

   2022 · github.com

9. 9ES
   EasyCSV, stop generating CSVs for non-tech colleagues (an MVP)▲10

   2013 · easycsv.com

10. 10IC
    I created a tool to remove protected information in CSVs▲6

    2021 · remove-pii.com

11. 11IP
    I personally created a web service in japan. Please review if you like.▲21

    2021 · note.com

12. 12UR
    Use Reddit via JSON feeds without authentication▲10

    Hey guys, As Reddit makes it harder to use their API, I decided to make a wrapper around their undocumented JSON feeds. This allows you to get data from Reddit without authentication. This is only suitable for getting public data. I hope this helps someone out there. I'm also planning to make an android app via CapacitorJS using this library. Feel free to ask questions or give feedback. Thanks!

    2023 · github.com

13. 13BW
    Bye-wk – Hide World Cup news from your feed▲7

    Jun 2026 · github.com

14. 14DA
    Documenting an Obscure Japanese Wii Game – and-Kensaku▲7

    I have been using Claude for the past couple of days this week to document and modify the TR2 game file format for an obscure Japanese-exclusive Wii game called And-Kensaku, or 安藤ケンサク. And-Kensaku is a game related to Googling. There are a few game modes, but the most famous one asks you a question and gives you two answer options, and you win if you choose the most popular Google search. I have been able to do the following: 1. disable signature checks on the files, and 2. allow edits to the Phrases.tr2 file, making it possible to modify the content of the aforementioned game mode. I wanted…

    Jun 2026 · github.com

15. 15WA
    Write a CSV to Postgres (and 20 other dev utilities)▲11

    2021 · retool.com

16. 16JA
    Japan API – Free and Open Data▲7

    2021 · japan-api.github.io

17. 17ST
    SmoothCSV – The Ultimate CSV Editor▲5

    Hey HN! I've been building CSV editors for 15 years. This is my third rewrite, and I think I finally got it right. Key features: - Excel-like operation for intuitive use - Equipped with basic to advanced tools necessary for handling CSV - Supports various formats and character encodings. Can handle CSVs with different column counts - Cross-platform (Windows/Mac, Linux coming soon) - Opens 100MB files in 1.6 seconds (12x faster than Excel) Tech stack: Tauri (Rust + React/TypeScript/TailwindCSS) Would love feedback from anyone dealing with large datasets daily! Website:…

    2025 · smoothcsv.com

18. 18
    CSV to JSON Converter▲3

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

    Jun 2026 · csvtojsonconverter.com

19. 19RG
    Read Gawker posts without giving them your clicks▲13

    2013 · github.com

20. 20
    CleanMyCSV▲2

    For finance teams: clean CSVs without uploading your data

    Jun 2026 · cleanmycsv.org

21. 21CN
    CSV-nix-tools – Collection of tools for processing system information▲9

    2020 · github.com

22. 22DA
    DeKarmaHN, a Chrome extension to hide karma and more▲10

    2021 · github.com

23. 23DF
    Datoji – FREE HTTP JSON storage service▲12

    2020 · github.com

24. 24IH
    Ireadit – Hide the comment section of unread articles on HN and Reddit▲5

    2018 · octobanana.com

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