Online Excel and Spreadsheet Tools

Access 52 online tools for Excel, XLSX, and XLS files. Convert, format, and process spreadsheet data securely without software installation.

Manage and transform spreadsheet data with our collection of 52 Excel tools. These utilities allow you to handle XLSX and XLS formats, perform data conversions, and automate common spreadsheet tasks directly from your browser while processing runs on our secure servers.

Aliases spreadsheet

52 Tools

Data & Tables

AI Data Normalizer

AI-powered data format normalization tool that intelligently cleans and standardizes messy data using advanced AI analysis

Data & Tables

CSV Column Selector

Select specific columns from CSV data by column names or indices. Perfect for extracting relevant data from large CSV files with many columns.

Data & Tables

CSV / Excel Diff Tool

Compare two CSV or XLSX datasets and export a PDF report with row, column, and cell-level differences

Data & Tables

CSV Filter

Filter CSV data by column values with multiple conditions and operators. Supports 12 filter operators including equals, contains, greater_than, less_than, and empty value checks. Additional Filters examples: [{"column": "age", "operator": "greater_than", "value": "25"}] [{"column": "status", "operator": "equals", "value": "active"}, {"column": "score", "operator": "greater_equal", "value": "80"}] [{"column": "name", "operator": "contains", "value": "john"}, {"column": "email", "operator": "is_not_empty"}]

Conversion & Encoding

CSV to Excel Converter

Convert CSV data to Excel format with customizable parsing and formatting options

Data & Tables

Data Normalizer

Pure code-based data format normalization tool that cleans and standardizes messy data using programmatic logic

Security & Validation

Excel Field-Level Decryptor

Decrypt specific fields in Excel files using various decryption methods to restore encrypted information

Security & Validation

Excel Field-Level Encryptor

Encrypt specific fields in Excel files using various encryption methods to protect sensitive information

Data & Tables

Excel Formula Builder

Build Excel formulas with common functions and operators

Data & Tables

Excel Macro Generator

Generate simple VBA macros for Excel automation

Conversion & Encoding

Excel to CSV Converter

Convert Excel file to CSV format, extracting data from the first worksheet

Conversion & Encoding

Excel to HTML Table Converter

Convert Excel file to HTML table format, extracting data from the first worksheet

Conversion & Encoding

Excel to JSON Converter

Convert Excel file to JSON format, extracting data from the first worksheet

Conversion & Encoding

Excel to Markdown Converter

Convert Excel file to Markdown table format, extracting data from the first worksheet

Conversion & Encoding

Excel to XML Converter

Convert Excel file to XML format, extracting data from the first worksheet

Conversion & Encoding

Excel to .xlsx Converter

Convert .xls files to .xlsx format. Note: Only supports converting old .xls files to new .xlsx format.

Developer & Web

JSON-LD Generator from CSV

Turn CSV or Excel rows into Schema.org JSON-LD for articles, products, or events, with validation-ready output for SEO workflows

Documents & PDF

LibreOffice XLSX to PDF Report

Convert Excel workbooks to multi-page PDF reports via LibreOffice and merge batch outputs

Conversion & Encoding

Text to Excel Converter

Convert various text formats to Excel with customizable parsing and formatting options

Data & Tables

VBA Code Formatter

Format and beautify VBA code for better readability

Conversion & Encoding

XLSX API To Sheet

Fetch JSON from REST or GraphQL API and write mapped records into an Excel sheet with automatic pagination

Conversion & Encoding

XLSX Append Incremental

Append new rows incrementally and emit next processing cursor based on time or primary-key column

Conversion & Encoding

XLSX Chart Embedder

Embed generated chart images into Excel workbooks using workbook data ranges for bar or pie chart reports

Conversion & Encoding

XLSX Column Mapper

Rename, reorder, and drop Excel columns with alias matching and case/whitespace normalization

Conversion & Encoding

XLSX Conditional Formatting Rule

Batch-apply conditional formatting rules such as threshold highlights, data bars, and color scales to Excel worksheets

Conversion & Encoding

XLSX CSV Batch Converter

Batch convert CSV/TSV to XLSX or convert XLSX back to CSV/TSV with delimiter and encoding handling

Conversion & Encoding

XLSX CSV Detect Normalize

Auto-detect CSV delimiter/encoding (UTF-8/GBK), normalize the table, and import to XLSX/CSV

Conversion & Encoding

XLSX Data Validation Dropdown

Batch-create dropdowns, dependent cascading dropdowns, and input prompts in Excel workbooks using data validation rules

Conversion & Encoding

XLSX Dedicated Index Sheet

Generate an index sheet for workbook with links to each sheet and core statistics

Conversion & Encoding

XLSX Dynamic Report Builder

Programmatically build dynamic Excel reports with multi-level merged headers, grouped subtotal, and dynamic columns

Conversion & Encoding

XLSX Formula Injector

Fill formulas down worksheet columns and optionally lock formula cells for protected, template-friendly Excel workbooks

Conversion & Encoding

XLSX Freeze Pane Manager

Freeze top rows/left columns automatically and apply row or column outline groups for easier spreadsheet reading

Conversion & Encoding

XLSX HTML Table Preview

Render an Excel range to HTML table for web preview with merged cells and basic background colors

Conversion & Encoding

XLSX Invoice Generator

Generate professional invoice/quotation workbooks with auto totals, tax calculations, and company logo embedding

Conversion & Encoding

XLSX JSON Transformer

Bidirectional conversion between JSON arrays and Excel sheets, with nested object flattening and restoration

Conversion & Encoding

XLSX KPI Dashboard Generator

Generate a KPI dashboard workbook with metric cards, trend table, and conditional warning formatting

Conversion & Encoding

XLSX Markdown Table Exporter

Convert a selected Excel range or whole sheet into Markdown table format

Conversion & Encoding

XLSX Multi Sheet Splitter

Split a multi-sheet workbook into independent files by sheet name, with ZIP output

Conversion & Encoding

XLSX Multi-Tab Report Pack

Generate one workbook containing multiple report tabs: overview, details, anomalies, and dictionary

Conversion & Encoding

XLSX Named Range Injector

Create or update workbook-level named ranges so formulas, validations, and reusable templates can reference stable Excel names

Conversion & Encoding

XLSX Parquet Exporter

Export worksheet data to Parquet and/or NDJSON for data lake and data warehouse pipelines

Conversion & Encoding

XLSX Print Setup Pack

Apply paper, margins, scaling, repeating titles, and header/footer print settings to Excel workbooks in one pass

Conversion & Encoding

XLSX Range Extractor

Extract a specific sheet/range/named-range from Excel into JSON with coordinates or record objects

Conversion & Encoding

XLSX S3 Batch Processor

Batch process XLSX files in S3-compatible object storage with filtering/cleaning and upload processed outputs back

Conversion & Encoding

XLSX Sheet Theme Pack

Apply consistent colors, fonts, borders, and header styling to Excel sheets and export branded multi-theme reports

Conversion & Encoding

XLSX Sheet to CSV Pack

Export each Excel worksheet as an individual CSV file and include a manifest with schema/statistics

Conversion & Encoding

XLSX Sheet To JSON Schema

Infer JSON Schema from worksheet headers and sample rows with types, enum candidates, and basic constraints

Conversion & Encoding

XLSX Sparkline Injector

Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions

Conversion & Encoding

XLSX SQL Insert Generator

Read Excel headers and rows to generate SQL INSERT statements for bulk loading

Conversion & Encoding

XLSX Template Filler

Fill existing styled/formula Excel templates by replacing {{variable}} placeholders only

Conversion & Encoding

XLSX Unpivot Normalizer

Unpivot wide tables (e.g., month columns) into normalized long-form records for database ingestion

Conversion & Encoding

XLSX Workbook Merger

Merge multiple similarly structured workbooks as multiple sheets or append all rows into one sheet

Related Tags

XLSX

44 Tools

Access 44 online tools to process, convert, and manage XLSX spreadsheet files. Secure server-side processing with automatic file deletion after 6 hours.

Conversion

174 Tools

Access 174 online conversion tools for files and data. Process formats securely on our servers with automatic file deletion after 6 hours.

Format Conversion

128 Tools

Convert between data structures and file formats including JSON, XML, CSV, and PDF. Secure server-side processing with automatic file deletion after 6 hours.

CSV

62 Tools

Access 62 professional CSV tools to convert, format, and manipulate comma-separated data. Secure server-side processing with automatic file deletion after 6 hours.

ExcelJS

13 Tools

Manipulate and convert XLSX files with 13 online ExcelJS tools. Server-side processing with automatic file deletion after 6 hours.

Sheet

14 Tools

Access 14 online sheet tools to convert, format, and process spreadsheet data. Secure server-side processing with automatic file deletion after 6 hours.

FAQ

Do I need to install Microsoft Excel to use these tools?

No software installation is required. You can perform operations on XLSX and XLS files directly through your web browser, with processing handled on our servers.

How long are my uploaded Excel files stored?

To ensure privacy, all uploaded files are automatically deleted from our servers after 6 hours. Text-based inputs are not stored at any time.

What file formats are supported by these spreadsheet tools?

These tools primarily support standard spreadsheet formats including XLSX and XLS, enabling tasks like data extraction, format conversion, and file validation.