# Multiple

Browse 142 online tools for working with multiple formats and operations in your browser, with secure server processing and automatic file deletion after 6 hours.

> Canonical page: https://elysiatools.com/en/tags/multiple

## Overview

Explore 142 tools for processing, converting, validating, and managing different types of files and data. Use the tools in your browser without installing software; text inputs are not stored, and uploaded files are automatically deleted after 6 hours.

## Frequently asked questions

### What can I do with Multiple tools?

This tag brings together tools for working with different formats, files, and data operations. Browse the collection to find the tool that matches your task.

### Do I need to install software?

No software installation is needed. You can operate the tools through the browser interface.

### How is my data handled?

Your browser submits operations to Elysia Tools servers for processing. Text inputs are not stored, and uploaded files are automatically deleted after 6 hours.

## Tools

- [AI Face Align & Crop](https://elysiatools.com/en/tools/ai-face-align-crop): Detect, align, and crop faces into individual images (zip when multiple)
- [ANOVA Variance Analysis](https://elysiatools.com/en/tools/anova-analysis): Perform one-way Analysis of Variance (ANOVA) to compare means across multiple groups
- [ANOVA Calculator](https://elysiatools.com/en/tools/anova-calculator): Run one-way ANOVA across multiple groups and inspect sums of squares, F statistic, and p-value
- [Array Element Counter](https://elysiatools.com/en/tools/array-element-counter): Count occurrences of specific elements in arrays with support for multiple counting modes and statistical analysis
- [Array Element Deleter](https://elysiatools.com/en/tools/array-element-deleter): Delete specific elements from arrays with support for multiple deletion methods
- [Array Element Replacer](https://elysiatools.com/en/tools/array-element-replacer): Replace specific elements in arrays with support for multiple replacement methods
- [Batch Audio Converter](https://elysiatools.com/en/tools/audio-batch-converter): Convert multiple audio files between different formats like MP3, WAV, FLAC, AAC, OGG, Opus with quality settings and batch processing
- [Batch Audio Metadata Editor](https://elysiatools.com/en/tools/audio-batch-metadata-editor): Edit metadata tags (artist, album, title, genre, year, track, comment) for multiple audio files at once
- [Batch Audio Normalize](https://elysiatools.com/en/tools/audio-batch-normalize): Normalize multiple audio files to a target peak level with consistent volume across the batch
- [Audio Loop Concat](https://elysiatools.com/en/tools/audio-loop-concat): Concatenate an audio file with itself multiple times to create a loop
- [Audio Merge](https://elysiatools.com/en/tools/audio-merge): Merge multiple audio files into one
- [Audio Mix](https://elysiatools.com/en/tools/audio-mix): Mix multiple audio tracks together with adjustable volumes
- [Audio Overlap Speech Detector](https://elysiatools.com/en/tools/audio-overlap-speech-detector): Find likely simultaneous speech-like activity by detecting multiple balanced voice-frequency bands.
- [Audio Preview Snippets](https://elysiatools.com/en/tools/audio-preview-snippets): Generate short preview snippets from multiple timestamps
- [Audio Splicer](https://elysiatools.com/en/tools/audio-splicer): Splice multiple audio files into one single audio file with customizable output format
- [Audio Stem Mixer](https://elysiatools.com/en/tools/audio-stem-mixer): Mix multiple stems and export vocal up/down versions
- [Audio Stitcher](https://elysiatools.com/en/tools/audio-stitcher): Stitch multiple short audio clips together, optionally adding gaps
- [Audio Voiceover Take Selector](https://elysiatools.com/en/tools/audio-voiceover-take-selector): Compare multiple recorded takes by noise, clipping, tempo, duration and consistency, then rank them to pick the best.
- [Base32 Converter](https://elysiatools.com/en/tools/base32-converter): Encode and decode text to/from Base32 format with multiple variants
- [Basic Calculator](https://elysiatools.com/en/tools/basic-calculator): Perform basic arithmetic calculations with support for multiple operations
- [Batch Image Compress](https://elysiatools.com/en/tools/batch-compress): Compress multiple images with quality control, output format selection, and size optimization
- [Batch Image Convert](https://elysiatools.com/en/tools/batch-convert): Convert multiple images to different formats with quality settings and batch processing
- [Batch Email Validator](https://elysiatools.com/en/tools/batch-email-validator): Validate multiple email addresses at once with format checking and basic quality analysis
- [Batch Image Trim](https://elysiatools.com/en/tools/batch-image-trim): Trim multiple images simultaneously using various trimming methods with batch processing and ZIP output

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