Clean and transform your CSV files in a blink.
Stop wasting hours on Excel. The ideal extension to clean and format your CSV files in record time.
What TideeCSV can do
Discover what is available today and what's coming next.
Already available
100% local and sovereign
Your data never leaves your machine.
Processes saving
Save your cleaning routines friction-free.
Contextual execution bubble
Run your favorite actions instantly in one click.
Smart column display
Immediate and dynamic preview of your data.
Case and space cleanup
Global text harmonization and removal of superfluous characters.
Date formatting & filters
Standardization and relative period management.
Removal of parasite rows
Stripping out superfluous headers.
Column splitting & merging
Combine and separate text data on the fly.
Coming soon
Invalid email filtering
Instant elimination of invalid rows.
Macro-step: "Keep only these columns"
Keep strictly what you need despite variable export formats.
Macro-step: "Reorder columns"
Define the ideal sequence for your columns once and for all.
Deduplication
Removal of duplicates based on precise criteria (email, ID).
Later on
Value replacement
Mapping internal codes or custom statuses on the fly.
Multi-criteria filters
Combine cross-logic "and/or" rules across multiple columns.
Multi-format export
Export as CSV, but also as Excel (.xlsx), JSON, and more.
Operation recommendations
Proactive suggestions for the next step right upon loading.
This roadmap evolves based on your feedback.
Have a specific need? Feel free to reach out and let us know!
Simple pricing
Start for free, upgrade when you need advanced capabilities.
Free
Ideal for inspecting and cleaning CSV files occasionally.
- ✓Processing interface
- ✓Unlimited exports
- ✓Quick processing shortcut
- •Only one saved processing
Subscription
For professionals handling file processing on a regular basis.
- ✓Processing interface
- ✓Unlimited exports
- ✓Quick processing shortcut
- ✓Unlimited saved processings
Frequently Asked Questions
Everything you need to know about TideeCSV, security, and use cases.
TideeCSV is an ultra-fast extension and tool designed for professionals handling data across different software who struggle with messy CSV files. It allows you to clean, format, and structure database exports (CRM, ERP, e-commerce) in seconds without writing code.
Definitly. TideeCSV runs 100% locally on your machine using WebAssembly technology. Your CSV files are never sent to a remote server, guaranteeing total privacy and seamless GDPR compliance, even with sensitive data.
Excel and Google Sheets can quickly become cumbersome, are tedious to adapt to your changing needs, and often crash or corrupt formats once you exceed a few tens of thousands of rows. TideeCSV is powered by a high-performance engine (DuckDB) built to process millions of rows instantly, while automating your cleaning routines through reusable treatments.
Once you have applied your cleaning operations (removing parasite rows, formatting dates, splitting columns...), you can save the treatment. The next time you upload a file, a single click is all it takes to re-apply the entire treatment automatically.
TideeCSV handles a wide range of operations: case and whitespace cleanup, date format standardization, various filtering method, merging and splitting columns, removing header clutter, and much more to come.
Yes, TideeCSV offers a free version which includes the essential cleaning foundation and the saving of one treatment. A subscriber plan is also available to unlock unlimited treatment saving and more advanced features.
Why TideeCSV exists (and why it's not another throwaway tool)
At a time when SaaS products are being churned out endlessly, I chose an approach where AI serves rigorous standards, technical mastery, and durability.
Built by a human, for real needs
Behind TideeCSV, there is no opaque corporate structure—just a digital craftsman who was tired of wasting hours cleaning messy CSV exports in Excel.
A robust and uncompromising architecture
The tool relies on modern, proven technologies like WebAssembly. Everything runs 100% locally on your machine: your sensitive data never leaves your device. Zero servers, zero hidden vulnerabilities.
AI as a lever for excellence, not shortcuts
Every line is thought out, reviewed, and refined. AI acts as a co-pilot to design clean, maintainable code built to evolve directly based on real-world feedback.