Row Zero
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Quadratic
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Row Zero is the best spreadsheet for big data. It enables operations, finance, marketing, and other business teams to securely analyze and work with big data sets in a familiar and flexible spreadsheet. Row Zero can open 1 billion row data sets, connect directly to data warehouses, and support multi-user collaboration to make working with hosted data easy for anyone with spreadsheet skills. Because Row Zero spreadsheets run in the cloud, they eliminate the security risk of CSV exports and locally stored Excel spreadsheets. Row Zero closes the last-mile analysis gap helping business teams take insights from dashboards and turn them into actionable results.
Row Zero Features:
Speed and Performance - Row Zero is a spreadsheet that leverages cloud computing strategies to enable users to import, open, and interact, cell-by-cell, with 1 billion row data sets, like they would in Excel and Google Sheets but on a larger scale.
Connectivity - Row Zeroโs native connections to data warehouses provide efficiency gains for business teams who, instead of building one-off static analyses, like financial models and demand forecasts, can build them once using a connected table and schedule automated refresh. Row Zero also enables saving data from the spreadsheet to the data warehouse.
Collaboration - In order for data analysis to be valuable the work must be shared across teams, business units, and organizations. For this reason, Row Zero workbooks can be shared with viewer and editor permissions and support real-time collaboration for group work and facilitating efficient presentations.
Governance โ Row Zero runs in the cloud, enables sharing permissions (viewer and editor), and enforces data permissions from the data warehouses, eliminating the security risk of downloaded CSVs and emailed .xlsx files.
Security - Row Zero is SOC2 Type II certified and HIPAA compliant. The SOC II report and a BAA are available upon request.
HowToCSV.com is a privacy-centric โSwiss Army knifeโ for cleansing and transforming data files (CSV, Excel, JSON).
What makes HowToCSV.com unique? Browser Only: Data processing takes place on your device only; your data never gets uploaded to any server.
Excel On Steroids: Supports millions of rows that will normally crash the standard spreadsheet programs.
Smart Cleansing: More than 50 specialized tools to fix delimiter issues, cleanse files from invisible characters, and execute SQL queries on flat files.
Target users: For data analysts needing fast data โjanitorโ tasks. Privacy-conscious pros working with sensitive data that cannot be processed via cloud services. For developers who need to convert file formats quickly.
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Row Zero's answer
Row Zero is the world's fastest spreadsheet, designed for big data sets. If a user already knows how to use a spreadsheet and needs to analyze or transform large data sets, Row Zero is the perfect tool. Data teams that serve large businesses can off-load ad-hoc and last mile analytics requests by enabling their business partners to work in Row Zero.
HowToCSV's answer:
Even if you hate CSVs, you'll love what we can do with them!
Zero installs โ tools run directly in your browser.
Lots of small focused utilities in one place instead of searching for separate converters or editors.
Free access to basic CSV processing tasks up to a modest file size.
Quick one-off fixes (dedupe, pivot, unpivot, simple transforms) without scripting or spreadsheets.
Row Zero's answer
Row Zero's is a last mile analytics tool that enables business teams (marketing, operations, finance, etc...) to connect to cloud data warehouses and work with big data sets in a spreadsheet they already know how to use. BI tools are great for high level metric monitoring but the work initiated as a result of those dashboards needs to happen in a tool where business teams can see and interact with their data.
HowToCSV's answer:
"iLovePDF for CSV files": a single place with lots of tiny browser-based utilities for anything you might need to do with tabular CSV data without installing heavy software or writing code. Itโs focused on real quick hacks: merge, unpivot, clean, convert, forecast, generate synthetic scenarios, etc. and all in the browser.
Row Zero's answer
Business teams that need to work with big data sets but prefer a spreadsheet over writing SQL or rigid BI tools.
HowToCSV's answer:
Folks who work with tabular text data but donโt want to fire up Excel or write scripts. Data analysts, product people, devs doing quick transformations. Students, hobbyists, or anyone needing simple CSV work without local tooling.
Row Zero's answer
Row Zero was born out of our own frustrations doing data analysis on big data sets. Excel and Google Sheets don't easily connect to cloud data warehouses and have small row limits. We needed to open multi-million row data sets and analyze them quickly. Row Zero is the highly performant tool we wish we'd had.
HowToCSV's answer:
It started as a side project by a builder tired of fighting with Excel and separate utilities for simple CSV tasks. Put together ~30 tools from other projects heโd built, wrapped them into one free toolkit, and launched it as ilovecsv.net end of 2025. It gained organic search traction quickly.
Row Zero's answer
HowToCSV's answer:
To ensure privacy and security, all computation occurs client-side, directly on the user's local machine. To achieve this, the entire system uses only client-side technologies, starting with NextJS and extending to WASM modules with in-memory analytics DBs for complex transformations and manipulations: no data ever leaves the user's computer.
Based on our record, Row Zero seems to be more popular. It has been mentiond 8 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Try https://rowzero.com ? We have written a much faster spreadsheet engine and regularly work with 10M+ row datasets. - Source: Hacker News / 3 months ago
How large are you talking about? Have you tried https://rowzero.io? - Source: Hacker News / 10 months ago
You should check out Row Zero (https://rowzero.io). We launched on HN earlier this year. Our CSV handling is the best on the market. You can import multi GB csvs, we auto infer your format, and land your data in a full-featured spreadsheet that supports filter, sort, ctrl-F, sharing, graphs, the full Excel formula language, native Python, and export to Postgres, Snowflake, and Databricks. - Source: Hacker News / over 1 year ago
I've been working on a better spreadsheet for a while now. https://rowzero.io is 1000x faster spreadsheet than Excel/Google Sheets. It looks and feels like those products but can open multi GB data sets, supports Python natively, and can also connect directly to Snowflake/Databricks/Redshift. - Source: Hacker News / almost 2 years ago
We built our spreadsheet (https://rowzero.io) from the ground up to integrate natively with Python. Bolting it on like Microsoft did, or as an add in like xlwings, just feels second class. To make it first class, we had to solve three hard problems: 1. Sandboxing and dependencies. Python is extremely unsafe to share, so you need to sandbox execution. There's also the environment/package management problem (does... - Source: Hacker News / about 2 years ago
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Modern CSV - A CSV editor/viewer
