Spreadsheet data transformations made easy
Loki users save one full day of work every week by using Loki instead of Excel to clean and transform data.
Average time saved every month per team member when using Loki
How Loki works
Four simple steps to transform the files you received from suppliers, partners, clients, or other internal teams into a standard and clean CSV you can use in your own systems.
Upload
Upload your CSV or Excel spreadsheet, with as many as 10 million rows.
Define
Describe the desired format you want your data in plain English or use our data transformation builder.
Transform
Loki analyzes your data, asks clarifying questions if needed, and converts it to the desired format.
Audit
Review every change with clear explanations. Click on any cell in the output data to see exactly how its value was derived.
Coming soon: Embed Loki as a widget inside your platform to do self-serve data imports.
Why Teams Choose Loki
Built for data teams who need reliability, speed, and complete transparency.
No Learning Curve
Unlike Excel, with Loki you can be effective right away. No code, no formulas, no macros.
AI-Powered
Loki uses AI to deeply understand your data and perform even the most complex transformations.
Fully Auditable
Our transformation visualizer let's you click on any cell in your transformed sheet to see exactly how its value was determined.
Lightning Fast
Loki can transform spreadhsheets with millions of rows in the same time it would take Excel to just open the file.
Proactive AI
Loki will scan your data and ask you clarifying questions to cover transformation scenarios you might not have thought of.
See for Yourself
Watch our 3 minute demo to see Loki transform a real-world spreadsheet with half a million rows.
See Loki in action
Powerful features wrapped in a clean, intuitive interface.
AI Assistant Conversation
Select a pre-defined data model or describe complex transformations in plain English. Loki understands and executes. You can iterate until you get it right.
Easy to verify the results
Every cell change explained. Click any value to see exactly why it was transformed and the original values that were used to determine the new value.
Data Models are reusable
Define your output data model and save it for reuse. You can apply it to any file you upload.
Frequently Asked Questions
Everything you need to know about Loki. Can't find the answer you're looking for? Reach out to our team.
Loki supports CSV, XLSX, and XLS file formats. You can upload files of any size — our processing engine handles millions of rows efficiently without memory issues.
Every transformation Loki makes is logged with a clear explanation. Click on any cell in your output to see exactly why that value was changed, what rule was applied, and what the original value was. This makes compliance and quality assurance straightforward.
Absolutely. Files are processed in isolated sandbox environments, and if you absolutely need it, we offer an Enterprise deployment option, with Loki running on your own infrastructure.
Yes. We offer both a hosted Cloud option and an Enterprise self-hosted solution for large companies that runs on your own infrastructure, connected to your LLM inference provider of choice.
Today Loki is meant for internal use, but we're working on a widget that you can embed into your platform to allow your customers to import data in any shape into your system.
Yes! You can save any transformation as a reusable data model. This is perfect for recurring tasks — upload a new file, apply your saved model, and get consistent results every time.
Loki processes data at native speed because we don't rely on LLMs to rewrite your entire document. Most files complete in seconds, and even files with millions of rows typically finish in under a minute.
Not at all. Loki is designed for anyone who works with data. No need to learn formulas, macros, or VBA. You can describe transformations in plain English, or use our visual column mapping interface.
The audit trail makes it easy to identify and correct any issues. You can also iterate with the AI assistant — just tell it what's wrong and it will adjust the transformation accordingly.
Still have questions?
Talk to UsReady to stop fighting with your data?
Let Loki handle the messy spreadsheets so you don't have to.