# Bulk

Browse 16 online bulk tools for processing, converting, validating, and managing files and data in your browser.

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

## Overview

Use this collection of 16 bulk tools to process, convert, validate, and manage files or data through a browser-based interface, with no software installation required.

## Frequently asked questions

### What can I do with Bulk tools?

Bulk tools let you process, convert, validate, and manage files or data through the browser.

### Do I need to install software?

No. You can operate these tools through the browser interface without installing software.

### How is my data handled?

Your actions are submitted from the browser and processed on Elysia Tools servers. Text inputs are not stored, and uploaded files are automatically deleted after 6 hours.

## Tools

- [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
- [Batch Phone Validator](https://elysiatools.com/en/tools/batch-phone-validator): Validate and format multiple phone numbers at once with international format support
- [Batch Image Resize](https://elysiatools.com/en/tools/batch-resize): Resize multiple images to specific dimensions with various resize options and batch processing
- [Batch URL Validator](https://elysiatools.com/en/tools/batch-url-validator): Validate multiple URLs at once with format checking and security analysis
- [Batch Image Watermark](https://elysiatools.com/en/tools/batch-watermark): Add watermarks to multiple images with text or image watermarks, position control, and batch processing
- [Bulk Density & Porosity Calculator](https://elysiatools.com/en/tools/bulk-density-calculator): Bulk density and porosity for granular or porous materials. Three-way solver: pick the unknown (ρ_bulk, m, or V) and supply the other two. ρ_bulk = m/V_bulk. Optionally enter the true particle density ρ_true to compute porosity ε = 1 − ρ_bulk/ρ_true, plus relative density against water. SI units (kg, m³, kg/m³).
- [Bulk Email Extractor](https://elysiatools.com/en/tools/bulk-email-extractor): Extract all email addresses from input text, articles, web source code, or mixed content. Supports deduplication and export to JSON.
- [Bulk Images Resize for Instagram](https://elysiatools.com/en/tools/bulk-images-resize-for-instagram): Resize multiple images for Instagram with preset dimensions for different content types (posts, stories, reels, profile photos)
- [Bulk URL/Link Extractor](https://elysiatools.com/en/tools/bulk-url-extractor): Extract all HTTP/HTTPS links from text with deduplication and export options
- [Batch EXIF Viewer](https://elysiatools.com/en/tools/image-exif-batch-view): View EXIF metadata from multiple images at once
- [Mulch Gravel Soil Bulk Bag Estimator](https://elysiatools.com/en/tools/mulch-gravel-soil-bulk-bag-estimator): Estimate how much mulch, gravel, topsoil, river rock, sand or compost a landscaping job needs. Enter the area shape (rectangle, circle, triangle or tapered bed/border), dimensions and depth, then pick a material from the built-in density table (or a custom density). The estimator returns volume (m³ / liters / yd³ / ft³), weight (kg / lb / tonnes), the count of 1 m³ or 1 yd³ bulk bags, small retail bag count, optional cost, plus depth and allowance warnings. Metric and imperial units supported.
- [Numeric OTP Generator](https://elysiatools.com/en/tools/otp-generator): Generate cryptographically secure one-time numeric codes (SMS / email verification, raffle codes, event pins) with configurable length (3-10 digits), bulk output, optional ambiguous-digit exclusion, and an optional expiry countdown. Uses crypto.randomInt, not Math.random.
- [XLSX SQL Insert Generator](https://elysiatools.com/en/tools/xlsx-sql-insert-generator): Read Excel headers and rows to generate SQL INSERT statements for bulk loading

## Related content

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- [Image](https://elysiatools.com/en/tags/image): 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.
- [Compression](https://elysiatools.com/en/tags/compression): Browse 131 online tools for compressing, decompressing, and managing ZIP, 7z, TAR, GZ, and RAR archives in your browser.
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- [ZIP](https://elysiatools.com/en/tags/zip): Browse 33 online ZIP tools to process, convert, validate, and manage ZIP files. Use them in your browser with server-side processing.
- [Resize](https://elysiatools.com/en/tags/resize): Browse 19 online resize tools to adjust supported content in your browser. Processing runs on Elysia Tools servers; text inputs are not stored and uploaded files are deleted after 6 hours.