Online Format Conversion 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.

Our collection of 128 format conversion tools enables you to transform data and files between different standards such as JSON, XML, CSV, PDF, and various image formats. Access these utilities directly in your browser to streamline your technical workflows without installing any software.

128 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)
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
Conversion & Encoding
CBOR Converter
Encode and decode data to/from CBOR (Concise Binary Object Representation) 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
Conversion & Encoding
Date Formatter
Convert date strings to various formatted date formats
Conversion & Encoding
EDN to JSON Converter
Convert EDN (Extensible Data Notation) data to JSON format
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.
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
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)
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.
Conversion & Encoding
Ion Converter
Encode and decode data to/from Ion (Amazon Ion) binary format
Conversion & Encoding
JSON Formatter
Format and validate JSON data
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
Conversion & Encoding
KML to GeoJSON Converter
Convert KML (Keyhole Markup Language) format to GeoJSON format
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
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
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
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
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)
Conversion & Encoding
Text Encryptor/Decryptor
Simple text encryption and decryption using various algorithms
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
Conversion & Encoding
Text to XML Converter
Convert various text formats to XML with customizable structure and formatting options
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
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 process my files?

When you use a tool, your data is sent to Elysia Tools servers for processing. This ensures high-performance conversions and compatibility across different devices without requiring local software installation.

Is my data secure during the conversion process?

Yes. Text inputs are not stored on our systems. For file-based conversions, all uploaded files are automatically and permanently deleted from our servers 6 hours after processing is complete.

Can I convert large datasets or complex files?

Yes, our server-side infrastructure is designed to handle a wide range of format conversions, from simple data snippets to complex document structures, all managed through a standard web browser interface.