Blog
Writing about data import, format multiplication, and the teams solving it.
- 14-day windowData analysis · Technical · AIJune 1, 2026
How data import speed affects B2B SaaS retention: the 14-day activation window
82% of B2B SaaS customers who activate within 14 days retain at 12 months. The bottleneck is almost always data import. Here is what to do.
Stéphane JauffretData analysisTechnicalAI - Unstructured filesAI · Technical · Data formats · TutorialMay 27, 2026
When your customers stopped sending clean CSVs: what AI makes possible with unstructured files today
PDFs, scanned documents, messy Excels — your customers don't send clean data. Here's what a real AI transformation pipeline looks like for B2B SaaS.
Alain TiembloAITechnicalData formats - GDPR-native importTechnical · AIMay 24, 2026
GDPR-native data onboarding: what your import layer has to do with your enterprise deals
Your import layer is a data processor under GDPR. Here is what GDPR-native data onboarding looks like and why it matters for European SaaS teams.
Stéphane JauffretTechnicalAI - CSV to JSONCSV · JSON · TechnicalSeptember 18, 2025
How to convert CSV to JSON, methods and considerations
CSV to JSON conversion looks trivial until you hit nested data, type coercion, or large files. Here are the four methods that actually work in production, and when to use which.
Stéphane JauffretCSVJSONTechnical - TXT to ExcelTXT · Excel · TutorialAugust 22, 2025
How to convert TXT files to Excel, the practical guide
Text files come in three flavors, delimited, fixed-width, and freeform. Excel handles the first two well, and the third needs cleanup first. Here is how to convert each one properly.
Valérie LegrandTXTExcelTutorial - Evaluating data toolsTools · Evaluation · TechnicalJuly 10, 2025
How to evaluate a file conversion or data import tool
Picking the wrong tool for handling incoming data files costs teams months of engineering time and recurring operational pain. Here is a framework that helps you decide quickly.
Alain TiembloToolsEvaluationTechnical - CSV to ExcelCSV · Excel · TutorialJune 15, 2025
How to import CSV files into Excel, the complete guide
Importing a CSV into Excel looks simple until a column breaks, leading zeros disappear, or special characters turn into gibberish. Here are the four methods and how to choose between them.
Valérie LegrandCSVExcelTutorial - AI + CSV analysisAI · CSV · Data analysis · TechnicalMay 20, 2025
How AI changes what you can do with CSV files
AI does not just make CSV analysis faster. It changes what is possible, from detecting anomalies across millions of rows to mapping fields automatically during import. Here is a practical view for teams handling CSV data at scale.
Alain TiembloAICSVData analysis - CSV files explainedCSV · Data formats · TechnicalMarch 15, 2025
CSV files explained: how they work and break in production
CSV files look simple. In real B2B SaaS onboarding flows, they break in 8 predictable ways. Learn what causes each and how to handle it.
Alain TiembloCSVData formatsTechnical