Online File Management and Conversion Tools

Access 50 professional tools for file conversion, validation, and processing. Secure server-side processing with automatic file deletion after 6 hours.

Manage, convert, and process various file formats directly from your browser. Our suite of 50 tools handles complex file operations on our secure servers, eliminating the need for local software installation while ensuring your data is handled according to strict privacy standards.

50 Tools

Images, Audio & Video
Audio Concat
Concatenate audio files in a specified order
Images, Audio & Video
Audio Format Converter
Convert audio files between different formats like MP3, WAV, FLAC, AAC, OGG with quality settings and volume adjustment
Images, Audio & Video
Audio Crossfade
Apply a crossfade between two audio files
Images, Audio & Video
Audio Crossfade Batch
Batch concatenate audio files with automatic crossfades
Images, Audio & Video
Audio Crossfade Merge
Merge audio files with a crossfade effect between them
Images, Audio & Video
Audio Cutter
Cut and extract audio clips from audio files with precise time selection
Images, Audio & Video
Audio Merge
Merge multiple audio files into one
Images, Audio & Video
Audio Mixer
Mix two audio files together with customizable timing control
Images, Audio & Video
Audio Noise Reducer
Remove background noise from audio files using various noise reduction algorithms
Images, Audio & Video
Audio Splicer
Splice multiple audio files into one single audio file with customizable output format
Design & Color
Base64 to Image Converter
Convert Base64 encoded images back to image files with support for various formats
Images, Audio & Video
Batch WAV Audio Converter
Convert multiple WAV files to OGG, AAC, M4A, and OPUS formats with quality settings, bitrate control, and batch processing
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 File Merger
Merge multiple CSV files into a single file with options for header handling and deduplication
Data & Tables
CSV Splitter
Split CSV content by specified number of rows per file. Perfect for processing large datasets, dividing data for analysis, batch processing, and managing file size limits. Features: - Split CSV by row count - Support multiple output formats - Preserve header row in each split - Flexible output format options - Support for large datasets - Fast and efficient processing Common Use Cases: - Split large CSV files for processing - Divide data for parallel processing - Create manageable data chunks - Export data in different formats - Prepare data for batch operations - Manage file size limitations
Data & Tables
BOM Character Remover
Remove BOM (Byte Order Mark) characters from text and file content. Perfect for cleaning up text files that have encoding issues, fixing CSV imports, and preparing data for processing. Features: - Detect and remove UTF-8 BOM (EF BB BF) - Detect and remove UTF-16 BOM (FE FF or FF FE) - Detect and remove UTF-32 BOM (00 00 FE FF or FF FE 00 00) - Support multiple input formats - Visual BOM character display - Detailed detection report - Support for batch text processing Common Use Cases: - Fix CSV file import errors - Clean up text file encoding issues - Prepare data for JSON parsing - Fix XML parsing problems - Resolve API data encoding conflicts - Standardize text data format
Data & Tables
Data Deduplicator
Remove duplicate rows from CSV files based on multiple column combinations. Perfect for cleaning customer lists, survey responses, and database exports. Features: - Multi-column combination deduplication - Fuzzy matching for similar records - Custom deduplication strategies (keep first, last, or most complete record) - Case-insensitive matching option - Whitespace trimming - Detailed duplicate statistics Common Use Cases: - Remove duplicate customer records - Clean email marketing lists - Eliminate redundant survey responses - Prepare data for analysis
Security & Validation
.env File Validator
Validate .env files for syntax errors and common issues
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
Conversion & Encoding
Excel to .xlsx Converter
Convert .xls files to .xlsx format. Note: Only supports converting old .xls files to new .xlsx format.
Utilities & Productivity
File Hash Verifier
Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes
Conversion & Encoding
GZIP Compressor
Compress files to GZIP format
Conversion & Encoding
GZIP Extractor
Extract GZIP compressed files (requires 7zip command)
Data & Tables
Header Remover
Remove headers from CSV data to create clean header-less files. Perfect for database imports, data processing pipelines, API integrations, and systems that require header-less CSV format. Features: - Remove first row (header) from CSV data - Remove multiple header rows - Skip empty lines before removing headers - Preserve data integrity - Support various CSV separators - Preview before removal - Data validation options - Batch processing capabilities Common Use Cases: - Prepare data for database imports - Clean up API response data - Remove metadata from exported files - Create header-less data for machine learning - Prepare data for systems that don't use headers - Extract pure data values from structured files
Images, Audio & Video
Convert ICO to JPG
Convert ICO icon files to JPG format with customizable quality and background options
Images, Audio & Video
Convert ICO to PNG
Convert ICO icon files to PNG format with transparency support and customizable output options
Images, Audio & Video
Convert ICO to WebP
Convert ICO icon files to WebP format with modern compression and transparency support
Text & Writing
IP Address Extractor
Extract IPv4 and IPv6 addresses from log files, server logs, network traces, or any text content
Data & Tables
JSON File Merger
Merge multiple JSON files with various merging strategies (deep merge, overwrite, combine arrays, etc.)
Documents & PDF
LibreOffice DOCX to PDF
Batch convert .doc/.docx files to PDF via LibreOffice while keeping original layout
Documents & PDF
LibreOffice Office to Image
Convert Office files to PNG/JPG previews with LibreOffice, with optional thumbnail resize
Data & Tables
Markdown Merger
Merge multiple markdown files with smart header level adjustment and table of contents generation
Documents & PDF
Markdown Report Bundler
Bundle multiple Markdown files into a single PDF report
Documents & PDF
Markdown to PDF Converter - Markdown转PDF转换器
Convert Markdown files to PDF documents with proper formatting, syntax highlighting, and styling
Documents & PDF
PDF Merge Documents
Merge multiple PDF files with optional table of contents and separator pages
Documents & PDF
PDF Usage Tracking ID Reader
Extract embedded tracking ID and page serial values from tracked PDF files
Developer & Web
Robots.txt Generator
Generate robots.txt files for search engine crawlers with configurable rules
Images, Audio & Video
SVG Minifier & Analyzer
Analyze SVG markup, remove redundant elements, reduce payload size, compare before and after visually, and export cleaned files
Utilities & Productivity
Text File Analyzer
Comprehensive analysis of text files including statistics, encoding, line counts, and content patterns
Utilities & Productivity
Text File Replacer
Find and replace text in files with support for regex, multiple patterns, and backup creation
Utilities & Productivity
Text File Searcher
Search for text patterns in files with advanced options (regex, case-sensitive, whole word, etc.)
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
Conversion & Encoding
TOML-YAML Converter
Convert between TOML and YAML formats with support for complex data structures and configuration files
Data & Tables
TXT File Merger
Merge multiple text files with various strategies (concatenate, interleave, etc.)
AI & Generators
Video Subtitle Translator
Extract or import subtitles, translate them with AI, and export clean SRT or ASS files while preserving timing and subtitle structure
Conversion & Encoding
XLSX Multi Sheet Splitter
Split a multi-sheet workbook into independent files by sheet name, with ZIP output
Conversion & Encoding
XLSX S3 Batch Processor
Batch process XLSX files in S3-compatible object storage with filtering/cleaning and upload processed outputs back
Data & Tables
XML File Merger
Merge multiple XML files into a single file with options for handling root elements and namespaces
Data & Tables
YAML File Merger
Merge multiple YAML files with various strategies (deep merge, overwrite, combine arrays, etc.)

Related Tags

Audio

216 Tools

Access 216 online audio tools for MP3, WAV, FLAC, and more. Process files on secure servers with automatic deletion after 6 hours.

Data Processing

125 Tools

Access 125 online data processing tools for formatting, converting, and cleaning data. Secure server-side processing with automatic file deletion after 6 hours.

Text

233 Tools

Access 233 online tools for text, string, and character manipulation. Process data securely on our servers 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.

Excel

52 Tools

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

Image

277 Tools

Access 277 online tools for image conversion and processing. Support for PNG, JPG, WebP, SVG, and more. Secure server-side processing with automatic file deletion.

FAQ

How are my files processed?

When you use a tool, your data is sent to Elysia Tools servers for processing. This allows for complex operations without requiring high-performance local hardware or software installation.

Is my data stored on your servers?

We prioritize privacy: text-based inputs are never stored, and any files you upload for processing are automatically and permanently deleted from our servers after 6 hours.

Can I use these tools offline?

No, these tools require an active internet connection because the processing logic runs on our servers to ensure accuracy and performance across all devices.