Software Alternatives & Startups

SmoothCSV VS Diffee

Compare SmoothCSV VS Diffee and see what are their differences

SmoothCSV

SmoothCSV is the ultimate CSV editor for macOS, Windows, and Linux — open huge files in seconds and edit with a familiar spreadsheet UI.

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0 reviews
Diffee

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Base details

Website, pricing, platforms and company facts side by side.

SmoothCSV
Diffee
Website smoothcsv.com diffee.me
Pricing —
Company 2025 —
Listed in

About SmoothCSV and Diffee

In their own words, as submitted to SaaSHub.

SmoothCSV
Diffee

SmoothCSV is a fast, full-featured CSV editor for Windows, macOS, and Linux. It focuses on making CSV editing feel familiar: grid editing like Excel, keyboard-first workflows like VS Code, and careful preservation of details like encoding, delimiter, and original quoting. It also brings together...

Read more about SmoothCSV

No description of Diffee yet.

Features and specs

What each product offers, as listed by its team.

SmoothCSV 5 features
Diffee 0 features
  • Fast and Lightweight
    SmoothCSV is designed to be a fast, lightweight CSV editor that can handle large files efficiently without the bloat of full spreadsheet applications like Excel or Google Sheets.
  • Simple and Intuitive Interface
    The application provides a clean, spreadsheet-like interface specifically tailored for CSV editing, making it easy to view, edit, and manipulate CSV data without unnecessary complexity.
  • Cross-Platform Support
    SmoothCSV is available for multiple platforms, allowing users on different operating systems to use the same tool for their CSV editing needs.
  • Supports Multiple Delimiters
    Beyond standard CSV files, SmoothCSV supports various delimiter-separated formats such as TSV (tab-separated values) and other custom delimiters, making it versatile for different data formats.
  • Free to Use
    SmoothCSV is available as a free tool, making it accessible to anyone who needs a dedicated CSV editor without having to pay for expensive software licenses.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

SmoothCSV
Diffee

Overall verdict

  • SmoothCSV is a solid, purpose-built desktop CSV editor that makes viewing and editing tabular data far easier than a plain text editor or spreadsheet, offering a clean spreadsheet-like interface tailored specifically to CSV/TSV files.

Why this product is good

  • Provides a dedicated spreadsheet-style grid interface designed specifically for CSV and TSV files, making data easier to read and edit
  • Handles various delimiters, encodings, and quoting options, giving you fine control over how files are parsed and saved
  • Lightweight and fast compared to loading large CSVs into full office suites like Excel
  • Preserves raw CSV structure without unwanted auto-formatting that spreadsheet apps often impose (e.g., mangling dates or leading zeros)
  • Supports keyboard shortcuts and productivity features that streamline manual data cleanup and editing

Recommended for

  • Developers and data professionals who frequently open and edit CSV/TSV files
  • Users who need precise control over encoding, delimiters, and quoting
  • Anyone frustrated by Excel or Google Sheets altering their raw CSV data
  • People working with moderately large datasets who want a fast, focused editor rather than a heavy office suite
  • Data cleanup and manual editing tasks that don't require complex formulas or analytics

No analysis of Diffee yet.

Videos

Walkthroughs and reviews on video.

SmoothCSV 0 videos + Add
Diffee 3 videos + Add

No SmoothCSV videos yet. You could help us improve this page by suggesting one.

Mr. Diffee Reviews The Tattooed Sales Guy

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Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
SmoothCSV
Diffee
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing SmoothCSV and Diffee.

What makes your product unique?

SmoothCSV's answer

SmoothCSV tries to make CSV editing feel familiar: grid editing like Excel, keyboard-first workflows like VS Code, and careful preservation of details like encoding, delimiter, and original quoting. It also handles messy files with inconsistent column counts, and lets you run SQL queries directly on CSV data.

Why should a person choose your product over its competitors?

SmoothCSV's answer

Every feature is free to use, and it runs on Windows, macOS, and Linux. It keeps your file's format as it is when saving, including the original quoting, which many editors drop. It also brings SQL queries, multi-cell editing, and side-by-side CSV comparison into one app, and it gets regular updates.

Which are the primary technologies used for building your product?

SmoothCSV's answer

Tauri, Rust, TypeScript.

How would you describe the primary audience of your product?

SmoothCSV's answer

Anyone who works with CSV files: software developers, data analysts, and people who need to check or fix CSV files without a spreadsheet app changing their data.

What's the story behind your product?

SmoothCSV's answer

I've been building CSV editors since 2011. Spreadsheet apps kept reformatting my data (dates, leading zeros, long numbers), and text editors kept the data safe but lost the grid view, so I wanted a dedicated tool that does both. The current version is my third rewrite from scratch, started in 2024 and released in 2025.

User comments

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Alternatives to SmoothCSV and Diffee

When comparing SmoothCSV and Diffee, you can also consider the following products.