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HappyCSV - Private CSV, Excel & Data Tools
View, edit, join, validate, clean, and convert CSV, Excel, JSON, Parquet, contact, calendar, and location data privately in your browser.
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87 % |
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CSV and Excel Tools for Cleaning, Merging and Comparing · TableWorkbench
Prepare tables locally in your browser. Clean and combine CSV files, review workbook data, compare records, and export a checked copy without an account.
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86 % |
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Free Data Cleaning Tool for CSV, Excel & JSON | FreeDataCleanings
FreeDataCleanings is a free online data cleaning tool for CSV, Excel and JSON files. Detect duplicates, missing values, blank rows, extra spaces and other da...
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85 % |
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DataKit — Fix Your Messy Data in Seconds
The AI-powered toolkit that converts, cleans, and backs up your data. Stop wrestling with spreadsheets and broken exports.
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84 % |
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flowingTable – Free Online Spreadsheet & CSV Toolkit | No Code Required
Clean, filter, merge, sort and transform any CSV or Excel file directly in your browser — no signup, no Excel, no Python. 15+ free data tools for analysts, r...
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84 % |
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Prepyr: Clean, Analyze, Chart and Report on CSV Data
Clean messy CSV files, ask data questions, create charts, and build evidence-based reports in one reviewable, versioned browser workspace.
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83 % |
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Kramata — Combine Multiple CSV & Excel Files Into One, Cleaned
Combine multiple CSV or Excel files into one clean file in one click. Build the cleanup once, re-run on every new batch. Free, 100% offline, Windows.
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83 % |
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Tabular — Clean Up Messy Spreadsheets in Minutes
Upload CSV or Excel files, apply cleanup operations like removing duplicates and trimming whitespace, preview results, and download clean data instantly.
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83 % |
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PasteOps - Local Data Workspace
Clean, compare, transform and extract copied data locally in your browser. No upload, no account.
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83 % |
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TaskThimble — Practical Browser Tools for Files, Data & Content
Fast browser tools for data, files, images, documents, text and lists, with local processing where practical. Use one tool directly, start from a task, or co...
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83 % |
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TaskThimble — Practical Browser Tools for Files, Data & Content
Fast browser tools for data, files, images, documents, text and lists, with local processing where practical. Use one tool directly, start from a task, or co...
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83 % |
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Clipboard Tools – Free Data Formatting Tools for Developers
Free online tools to convert Excel to Python lists, generate SQL IN clauses, transform data to JSON, and format spreadsheet data. All processing runs locally...
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82 % |
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Maplesheet — Everyday Excel Tools for Finance, Accounting & Office Teams
Free online Excel tools for everyday office work: compare two workbooks cell by cell, find duplicate rows and invoices, clean up messy ERP and bank exports,...
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82 % |
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TheNexTools — Private, Offline Desktop Utilities
A small, focused collection of utilities built around one idea: your files shouldn't have to leave your machine just to get something done. PDF editing, imag...
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82 % |
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FileFiddler — Fast PDF, Excel, Image & Data Tools
FileFiddler is a fast toolkit for PDF, Excel, image, data, business and calculator tasks. Open a tool, add your file or values, process it, and download the...
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82 % |
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Sigmera — Clean Your Data in the Browser, No Upload
Free browser-based tools to clean CSV and spreadsheet data. Remove duplicates, standardize phones and emails, and split names without uploading files.
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82 % |
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DATAFORMAT.PRO
DATAFORMAT.PRO helps teams clean and align CSV and spreadsheet data fast. Upload files, map columns, normalize headers, and export reliable imports for CRM a...
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82 % |
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Amily Data Analysis | Data Cleanup & Dashboards
Data analysis support for small businesses, nonprofits, and community groups that need cleaner spreadsheets, simple dashboards, and clearer reports.
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82 % |
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66 Free Excel Tools — Convert, Clean & Merge Spreadsheets
Convert, clean, merge, split and protect Excel files in your browser. 64 free spreadsheet tools with no upload, no signup and no watermark.
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82 % |
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TableRune: open the CSV Excel can't
TableRune cleans up and reshapes big spreadsheets right in your browser. Your data stays on your computer. Nothing to upload, no code to write.
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82 % |
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