Online File and Data Conversion Tools

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

Our conversion tools allow you to transform data and file formats directly from your browser. With 174 specialized utilities, you can handle document, image, and data structure changes without installing software. All processing occurs on our secure servers, ensuring high performance for complex tasks.

174 Tools

Conversion & Encoding
7Z to GZ Converter
Convert 7Z archive to GZ format (requires 7zip command)
Conversion & Encoding
7Z to TAR Converter
Convert 7Z archive to TAR format (requires 7zip command)
Conversion & Encoding
7Z to ZIP Converter
Convert 7Z archive to ZIP format (requires 7zip command)
Math, Date & Finance
Angle Unit Converter
Convert between different angle units (degrees, radians, gradians, minutes, seconds, etc.)
Math, Date & Finance
Area Unit Converter
Convert between different area units (square meters, square feet, acres, hectares, etc.)
Conversion & Encoding
ASCII85 Converter
Encode and decode text to/from ASCII85 format (Adobe version)
Conversion & Encoding
Atbash Cipher
Encode and decode text using Atbash substitution cipher (reverses the alphabet)
Conversion & Encoding
Avro Converter
Encode and decode data to/from Avro data serialization format with schema support
Conversion & Encoding
Base32 Converter
Encode and decode text to/from Base32 format with multiple variants
Conversion & Encoding
Base45 Converter
Encode and decode text to/from Base45 format (RFC 9285)
Conversion & Encoding
Base58 Converter
Encode and decode text to/from Base58 format with Bitcoin and Ripple variants
Conversion & Encoding
Base62 Converter
Encode and decode text to/from Base62 format (0-9, A-Z, a-z)
Conversion & Encoding
Base64 Converter
Encode and decode data to/from Base64 format with URL-safe options
Conversion & Encoding
Base64 Encoder/Decoder
Encode and decode Base64 strings
Conversion & Encoding
Base91 Converter
Encode and decode text to/from Base91 format (ascii+basE91 algorithm)
Conversion & Encoding
Braille Converter
Convert text to Braille Unicode characters or decode Braille to text
Conversion & Encoding
BSON Converter
Encode and decode data to/from BSON (Binary JSON) format
Math, Date & Finance
Byte to MB
Convert bytes to megabytes using the decimal MB standard with configurable precision
Conversion & Encoding
CBOR Converter
Encode and decode data to/from CBOR (Concise Binary Object Representation) format
Math, Date & Finance
Celsius to Fahrenheit
Convert Celsius to Fahrenheit with configurable decimal precision
Math, Date & Finance
CM to Inches
Convert centimeters to inches with configurable decimal precision
Design & Color
Grayscale Converter
Convert colors to grayscale with multiple conversion methods and intensity control
Utilities & Productivity
Coordinate DMS Converter
Convert latitude and longitude between decimal degrees and degrees-minutes-seconds (DMS) format
Conversion & Encoding
CSON to JSON Converter
Convert CSON (CoffeeScript Object Notation) data to JSON format
Conversion & Encoding
CSV to Excel Converter
Convert CSV data to Excel format with customizable parsing and formatting options
Conversion & Encoding
CSV to HTML Table
Convert CSV data to HTML table format
Conversion & Encoding
CSV to JSON Converter
Convert CSV data to JSON format with customizable parsing options
Conversion & Encoding
CSV to Markdown
Convert CSV data to Markdown table format
Conversion & Encoding
CSV Protobuf Converter
Convert between CSV and Protocol Buffers (Protobuf) formats
Conversion & Encoding
CSV to XML Converter
Convert CSV data to XML format with customizable formatting options
Math, Date & Finance
Data Storage Unit Converter
Convert between different data storage units (bit, byte, KB, MB, GB, TB, etc.)
Conversion & Encoding
Date Formatter
Convert date strings to various formatted date formats
Math, Date & Finance
Density Unit Converter
Convert between different density units (kg/m³, g/cm³, lb/ft³, etc.)
Conversion & Encoding
EDN to JSON Converter
Convert EDN (Extensible Data Notation) data to JSON format
Math, Date & Finance
Energy Unit Converter
Convert between different energy units (joules, calories, kilowatt-hours, BTU, etc.)
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.
Math, Date & Finance
Fahrenheit to Celsius
Convert Fahrenheit to Celsius with configurable decimal precision
Math, Date & Finance
Feet to Meter
Convert feet to meters with configurable decimal precision
Utilities & Productivity
File Encoding Converter
Convert file encoding with auto-detection support between UTF-8, GBK, ISO-8859-1 and other character encodings
Math, Date & Finance
Force Unit Converter
Convert between different force units (newton, pound-force, kilogram-force, dyne, etc.)
Math, Date & Finance
Fraction Decimal Converter
Convert between fractions and decimals with support for mixed numbers, improper fractions, and various decimal formats
Text & Writing
Fullwidth to Halfwidth Converter
Convert fullwidth characters to halfwidth characters for proper text formatting
Charts & Visualization
Funnel Chart Generator
Generate customizable funnel charts from data, perfect for showing conversion rates, sales pipelines, and process flows
Math, Date & Finance
GB to MB
Convert gigabytes to megabytes using the decimal storage standard with configurable precision
Conversion & Encoding
GeoJSON to GPX Converter
Convert GeoJSON format to GPX (GPS Exchange Format) format
Conversion & Encoding
GeoJSON to KML Converter
Convert GeoJSON format to KML (Keyhole Markup Language) format
Conversion & Encoding
GeoJSON to OSM Converter
Convert GeoJSON format to OpenStreetMap (OSM) XML format
Developer & Web
Glob to Regex
Convert file matching patterns (Glob) to regular expressions
Conversion & Encoding
GPX to GeoJSON Converter
Convert GPX (GPS Exchange Format) to GeoJSON format
Conversion & Encoding
GraphQL to JSON Converter
Convert GraphQL query or response data to JSON format
Conversion & Encoding
GZ to 7Z Converter
Convert GZ archive to 7Z format (requires 7zip command)
Conversion & Encoding
GZ to TAR Converter
Convert GZ archive to TAR format (requires 7zip command)
Conversion & Encoding
GZ to ZIP Converter
Convert GZ archive to ZIP format (requires 7zip command)
Text & Writing
Halfwidth to Fullwidth Converter
Convert halfwidth characters to fullwidth characters for CJK text formatting
Conversion & Encoding
HCL-JSON Converter
Convert between HashiCorp Configuration Language (HCL) and JSON formats for Terraform configurations
Conversion & Encoding
HCL-TOML Converter
Convert between HashiCorp Configuration Language (HCL) and TOML formats for infrastructure configurations
Conversion & Encoding
HCL-YAML Converter
Convert between HashiCorp Configuration Language (HCL) and YAML formats for Terraform configurations
Conversion & Encoding
Hex/Unicode Converter
Convert characters to/from hex (\xXX) and Unicode (\uXXXX) escape sequences
Conversion & Encoding
Hosts File Editor
Parse, validate, and format hosts file entries
Conversion & Encoding
HTML Table to CSV
Extract and convert HTML table data to CSV format
Conversion & Encoding
HTML to Markdown Converter
Convert HTML content to Markdown format with customizable options using Turndown
Design & Color
Image Processor
Process images with various operations like resize, crop, format conversion, and optimization
Images, Audio & Video
Image Resizer
Professional image resizing tool with multiple resize methods, aspect ratio preservation, and format conversion, supporting GIF/Animated WebP/APNG and JPEG/PNG/WEBP.
Math, Date & Finance
Inches to CM
Convert inches to centimeters with configurable decimal precision
Developer & Web
Integer to IPv4
Convert integers to IPv4 addresses. Supports batch conversion of multiple integers.
Conversion & Encoding
Ion Converter
Encode and decode data to/from Ion (Amazon Ion) binary format
Developer & Web
IPv4 to Integer
Convert IPv4 addresses to integers. Supports batch conversion of multiple addresses.
Conversion & Encoding
JSON Formatter
Format and validate JSON data
Developer & Web
JSON Schema to Zod Schema Converter
Convert JSON Schema JSON/YAML definitions into ready-to-use Zod schemas with nested objects, arrays, enums, and common validation rules
Conversion & Encoding
JSON to CSON Converter
Convert JSON data to CSON (CoffeeScript Object Notation) format
Conversion & Encoding
JSON to CSV Converter
Convert JSON data to CSV format with customizable formatting options
Conversion & Encoding
JSON to EDN Converter
Convert JSON data to EDN (Extensible Data Notation) format
Conversion & Encoding
JSON to GraphQL Converter
Convert JSON data to GraphQL query format
Conversion & Encoding
JSON to Markdown
Convert JSON data to Markdown format
Conversion & Encoding
JSON to XML Converter
Convert JSON data to XML format with customizable formatting options
Conversion & Encoding
JSON Visualizer
Visualize and edit JSON data with interactive forms and real-time updates
Math, Date & Finance
KG to LB
Convert kilograms to pounds with configurable decimal precision
Math, Date & Finance
KM to Miles
Convert kilometers to miles with configurable decimal precision
Math, Date & Finance
KMH to MPH
Convert kilometers per hour to miles per hour with configurable decimal precision
Conversion & Encoding
KML to GeoJSON Converter
Convert KML (Keyhole Markup Language) format to GeoJSON format
Math, Date & Finance
LB to KG
Convert pounds to kilograms with configurable decimal precision
Math, Date & Finance
Length Unit Converter
Convert between different length units (meters, feet, inches, miles, etc.)
Conversion & Encoding
Markdown to CSV
Convert Markdown table data to CSV format
Conversion & Encoding
Markdown to HTML Converter
Convert Markdown text to HTML with customizable formatting options using Showdown
Conversion & Encoding
Markdown to JSON
Convert Markdown data to JSON format
Conversion & Encoding
Markdown to Plain Text
Convert Markdown formatted text to plain text by removing all Markdown syntax and formatting
Math, Date & Finance
MB to GB
Convert megabytes to gigabytes using the decimal storage standard with configurable precision
Math, Date & Finance
Meter to Feet
Convert meters to feet with configurable decimal precision
Math, Date & Finance
Miles to KM
Convert miles to kilometers with configurable decimal precision
Math, Date & Finance
MPH to KMH
Convert miles per hour to kilometers per hour with configurable decimal precision
Conversion & Encoding
MessagePack Converter
Encode and decode data to/from MessagePack binary serialization format
Conversion & Encoding
Netrc Parser
Parse and convert Netrc file format to JSON
Conversion & Encoding
Number to Chinese
Convert Arabic numerals to Chinese uppercase numbers and currency format
Conversion & Encoding
Number to Words Converter
Convert numbers to words in multiple languages
Conversion & Encoding
OSM to GeoJSON Converter
Convert OpenStreetMap (OSM) XML data to GeoJSON format
Documents & PDF
PDF to Image Converter
Convert PDF documents to high-quality images. Supports single page or batch conversion with customizable settings for format, quality, and dimensions.
Math, Date & Finance
Pressure Unit Converter
Convert between different pressure units (pascal, bar, psi, atmosphere, etc.)
Conversion & Encoding
Properties to JSON Converter
Convert Java Properties file format to JSON
Conversion & Encoding
Protobuf Converter
Encode and decode data to/from Protocol Buffers (Protobuf) binary format
Conversion & Encoding
Punycode Decoder
Decode Punycode (ASCII) domain names to international domain names (IDN)
Conversion & Encoding
Punycode Encoder
Encode international domain names (IDN) to ASCII (Punycode)
Conversion & Encoding
Quoted-Printable Decoder
Decode Quoted-Printable format to plain text
Conversion & Encoding
Quoted-Printable Encoder
Encode text to Quoted-Printable format (used in email MIME)
Conversion & Encoding
RC4 Stream Cipher
Encrypt and decrypt text using RC4 stream cipher with a key
Math, Date & Finance
Roman Numeral Converter
Convert between Arabic numbers and Roman numerals with validation and detailed results
Conversion & Encoding
ROT13 Cipher
Encode and decode text using ROT13 substitution cipher (rotates letters by 13 positions)
Conversion & Encoding
ROT47 Cipher
Encode and decode text using ROT47 cipher (rotates all printable ASCII characters by 47 positions)
Conversion & Encoding
Smile Converter
Encode and decode data to/from Smile (binary JSON) format
Math, Date & Finance
Speed Unit Converter
Convert between different speed units (m/s, km/h, mph, knot, mach, etc.)
Design & Color
sRGB to RGB Converter
Convert sRGB color values to RGB format for color space conversion
Conversion & Encoding
SSH Config Parser
Parse and convert SSH configuration file to JSON format
Conversion & Encoding
TAR to 7Z Converter
Convert TAR archive to 7Z format (requires 7zip command)
Conversion & Encoding
TAR to GZ Converter
Convert TAR archive to GZ format (requires 7zip command)
Conversion & Encoding
TAR to ZIP Converter
Convert TAR archive to ZIP format (requires 7zip command)
Math, Date & Finance
Temperature Unit Converter
Convert between different temperature units (Celsius, Fahrenheit, Kelvin, Rankine)
Conversion & Encoding
Text Encryptor/Decryptor
Simple text encryption and decryption using various algorithms
Documents & PDF
Text File to PDF Converter - 文本文件转PDF转换器
Convert text files (.txt, .md, .csv, etc.) to PDF documents with customizable formatting and encoding support
AI & Generators
AI Text Style Converter - Writing Assistant
Intelligently convert text between different writing styles. Perfect for emails, articles, reports, and various content types
Conversion & Encoding
Text to Excel Converter
Convert various text formats to Excel with customizable parsing and formatting options
Conversion & Encoding
Text to JSON Converter
Convert various text formats to JSON with customizable parsing options
Documents & PDF
Text to PDF Converter - 文本转PDF转换器
Convert text content to PDF documents with customizable formatting, fonts, and page settings
Conversion & Encoding
Text to XML Converter
Convert various text formats to XML with customizable structure and formatting options
Math, Date & Finance
Time Unit Converter
Convert between different time units (seconds, minutes, hours, days, weeks, etc.)
Utilities & Productivity
Time Zone Converter
Convert time between different time zones around the world
Conversion & Encoding
TOML-JSON Converter
Convert between TOML and JSON formats with support for comments and complex data structures
Conversion & Encoding
TOML-YAML Converter
Convert between TOML and YAML formats with support for complex data structures and configuration files
Conversion & Encoding
UBJSON Converter
Encode and decode data to/from UBJSON (Universal Binary JSON) format
Conversion & Encoding
Vigenère Cipher
Encode and decode text using Vigenère cipher with a keyword
Math, Date & Finance
Volume Unit Converter
Convert between different volume units (liters, gallons, cups, cubic meters, etc.)
Math, Date & Finance
Weight Unit Converter
Convert between different weight units (kilograms, pounds, ounces, grams, etc.)
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
Conversion & Encoding
XML to CSV Converter
Convert XML data to CSV format with customizable parsing options
Conversion & Encoding
XML to JSON Converter
Convert XML data to JSON format with customizable parsing options
Conversion & Encoding
XOR Encryptor
Encrypt and decrypt text using XOR cipher with a key
Conversion & Encoding
YAML-JSON Converter
Convert between YAML and JSON formats
Conversion & Encoding
ZIP to 7Z Converter
Convert ZIP archive to 7Z format (requires 7zip command)
Conversion & Encoding
ZIP to GZ Converter
Convert ZIP archive to GZ format (requires 7zip command)
Conversion & Encoding
ZIP to TAR Converter
Convert ZIP archive to TAR format (pure JavaScript, no external dependencies)

Related Tags

FAQ

How do these conversion tools work?

You interact with the tools through your browser, while the actual processing is performed on Elysia Tools servers. This allows for efficient conversion of large files or complex data structures without taxing your local hardware.

Is my data secure during the conversion process?

Yes. Text inputs are never stored on our systems. For file-based conversions, uploaded files are automatically and permanently deleted from our servers 6 hours after processing.

Do I need to install any software to use these tools?

No software installation or browser plugins are required. All 174 conversion tools are accessible through any modern web browser, with all heavy lifting handled by our server infrastructure.