Cleaning & Preparation Tools
Welcome to our cleaning & preparation hub. Here you'll find all the tools you need to handle cleaning & preparation tasks efficiently and securely.
Why Choose Our Cleaning & Preparation Tools?
Our cleaning & preparation tools are designed with privacy and performance in mind. All processing happens locally in your browser, ensuring your data never leaves your device. Whether you're working with small datasets or files with millions of rows, our tools handle it all seamlessly.
Key Features
100% Private: All data processing happens in your browser Lightning Fast: Handle large files without performance issues No Installation: Works directly in your browser, no software to download Free to Use: Access all features without any cost Modern Interface: Intuitive design that makes complex tasks simple
Available Cleaning & Preparation Tools
Explore our complete toolkit with detailed guides and tutorials for each feature:
Whether you need to one-click ai repair for broken csv structure and encoding, Auto Repair CSV is your go-to solution. Did you open a CSV and see weird symbols () or broken columns? Super Fix analyzes the file byte-by-byte to detect encoding errors (UTF-8 vs Windows-1252) and structural misalignment. Perfect for fixing encoding issues from legacy systems, repairing files that crash excel, and more. Read more about Auto Repair CSV in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
If you're looking to standardize text and format with one click, Quick CSV Cleaner is your go-to solution. Read more about Quick CSV Cleaner in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
When it comes to removes zero-width spaces and non-breaking spaces that break code, Invisible Character Remover is your go-to solution. Read more about Invisible Character Remover in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
For those who want to combine multiple csv files into one master dataset intelligently, Merge CSV Files is your go-to solution. Stop copy-pasting manually. Smart Merge lets you upload 10, 50, or 100 CSV files and combines them into one. Perfect for merging 12 months of sales files, combining exports from different systems, and more. Read more about Merge CSV Files in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
Whether you need to query your csv like a database using logical operators, Advanced CSV Filter is your go-to solution. Filter large CSV files with precision using advanced logical operators. Unlike Excel's basic filter, this tool allows you to combine multiple conditions with AND/OR logic, use numeric comparisons (>, <, =), and filter text using "contains", "starts with", or regular expressions. Perfect for filtering sales above $1000, finding customers in specific regions, and more. Read more about Advanced CSV Filter in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
If you're looking to remove whitespace, empty rows, and duplicates, Trim & Sanitize is your go-to solution. Clean messy CSV files in seconds. This tool automatically trims leading and trailing whitespace, removes completely empty rows that cause errors in analysis tools, and standardizes text formatting. Perfect for cleaning scraped data, removing blank rows from excel exports, and more. Read more about Trim & Sanitize in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
When it comes to impute missing values using linear interpolation or defaults, Fill Empty Cells is your go-to solution. Missing data can break your analysis. This tool offers multiple intelligent strategies to fill gaps in your dataset: forward fill (use the last known value), backward fill, linear interpolation (estimate based on surrounding values), or fill with custom defaults like 0, "N/A", or column averages. Perfect for filling gaps in temperature sensor data, completing survey responses, and more. Read more about Fill Empty Cells in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
For those who want to bulk rename headers and convert to snake_case for sql, Rename Columns is your go-to solution. Read more about Rename Columns in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
Whether you need to remove duplicates based on specific columns and rules, Smart Deduplication is your go-to solution. Read more about Smart Deduplication in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
If you're looking to find and merge similar records (e.g. "jon doe" vs "john doe"), Fuzzy Dedupe is your go-to solution. Read more about Fuzzy Dedupe in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
When it comes to audit your dataset for nulls, errors, and type mismatches, Data Health Check is your go-to solution. Read more about Data Health Check in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
For those who want to standardize messy dates into iso-8601 format, Date Reformatter is your go-to solution. Read more about Date Reformatter in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →
Whether you need to filter and export only unique values from a list, Extract Unique Rows is your go-to solution. Read more about Extract Unique Rows in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →