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Multiple Online Tools

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.

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.

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142 matching tools

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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.

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Images, Audio & Video657

Image, audio, and video processing, conversion, and optimization tools

Math, Date & Finance647

Calculators, numerics, date logic, statistics, and finance tools

Design & Color298

Color, layout, graphics, visual styling, and design helper tools

Text & Writing209

Writing, cleanup, formatting, extraction, and text analysis tools

Developer & Web193

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding175

Format, file, archive, unit, and encoding conversion tools

Lead Generation Quiz Launch and Contact Handoff
Memorial Drafts: Family Review and Print Handoff
Private Habit Records: Backup, Restore and Sharing Review
Article to X and LinkedIn Drafts: Fact Review and Handoff
Markdown Interactive Deck Review and Offline Handoff

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AI Tools

AI Face Align & Crop

Detect, align, and crop faces into individual images (zip when multiple)

Data Analysis

ANOVA Variance Analysis

Perform one-way Analysis of Variance (ANOVA) to compare means across multiple groups

Math & Numbers

ANOVA Calculator

Run one-way ANOVA across multiple groups and inspect sums of squares, F statistic, and p-value

Development

Array Element Counter

Count occurrences of specific elements in arrays with support for multiple counting modes and statistical analysis

Development

Array Element Deleter

Delete specific elements from arrays with support for multiple deletion methods

Development

Array Element Replacer

Replace specific elements in arrays with support for multiple replacement methods

Media

Batch Audio Converter

Convert multiple audio files between different formats like MP3, WAV, FLAC, AAC, OGG, Opus with quality settings and batch processing

Media

Batch Audio Metadata Editor

Edit metadata tags (artist, album, title, genre, year, track, comment) for multiple audio files at once

Media

Batch Audio Normalize

Normalize multiple audio files to a target peak level with consistent volume across the batch

Media

Audio Loop Concat

Concatenate an audio file with itself multiple times to create a loop

Media

Audio Merge

Merge multiple audio files into one

Media

Audio Mix

Mix multiple audio tracks together with adjustable volumes

Media

Audio Overlap Speech Detector

Find likely simultaneous speech-like activity by detecting multiple balanced voice-frequency bands.

Media

Audio Preview Snippets

Generate short preview snippets from multiple timestamps

Media

Audio Splicer

Splice multiple audio files into one single audio file with customizable output format

Media

Audio Stem Mixer

Mix multiple stems and export vocal up/down versions

Media

Audio Stitcher

Stitch multiple short audio clips together, optionally adding gaps

Media

Audio Voiceover Take Selector

Compare multiple recorded takes by noise, clipping, tempo, duration and consistency, then rank them to pick the best.

Format Conversion

Base32 Converter

Encode and decode text to/from Base32 format with multiple variants

Math & Numbers

Basic Calculator

Perform basic arithmetic calculations with support for multiple operations

Media

Batch Image Compress

Compress multiple images with quality control, output format selection, and size optimization

Media

Batch Image Convert

Convert multiple images to different formats with quality settings and batch processing

Validation

Batch Email Validator

Validate multiple email addresses at once with format checking and basic quality analysis

Media

Batch Image Trim

Trim multiple images simultaneously using various trimming methods with batch processing and ZIP output

Data Processing

130 tools

Browse 130 online data processing tools for working with data through your browser. Text inputs are not stored, and uploaded files are deleted after 6 hours.

Files

143 tools

Browse 143 online Files tools for processing, converting, validating, and managing files in your browser.

Image

355 tools

Browse 355 online image tools for PNG, JPG, JPEG, WebP, GIF, SVG, ICO, BMP, TIFF, and AVIF files. Use them in your browser with server-side processing.

Text

311 tools

Browse 311 online text tools for processing, converting, validating, and managing text, strings, words, and characters in your browser.

Audio

312 tools

Browse 312 online audio tools for MP3, WAV, OGG, FLAC, AAC, and M4A files. Process audio in your browser with server-based processing.

Compression

131 tools

Browse 131 online tools for compressing, decompressing, and managing ZIP, 7z, TAR, GZ, and RAR archives in your browser.