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Browse the tool catalog | Page 160

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 160.

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Math, Date & Finance586

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

Images, Audio & Video564

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

Design & Color284

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

Text & Writing200

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

Conversion & Encoding167

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

Developer & Web163

Developer utilities, networking, web debugging, and automation helpers

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

Docs Pricing Terms of Service Privacy Policy Contact

Health

Due Date Calculator

Calculate pregnancy due date based on last period or conception date

Math & Numbers

Electricity Calculator

Calculate electricity costs based on power consumption and usage time

Validation

Email Validator

Validate email addresses and check deliverability

Math & Numbers

Energy Unit Converter

Convert between different energy units (joules, calories, kilowatt-hours, BTU, etc.)

Finance

Ethereum Address Validator

Check if a string is an Ethereum address. Does not validate address checksums.

Validation

.env File Validator

Validate .env files for syntax errors and common issues

Format Conversion

Excel to CSV Converter

Convert Excel file to CSV format, extracting data from the first worksheet

Data Processing

Duplicate Column Remover

Remove duplicate columns from CSV data with flexible detection strategies. Perfect for cleaning datasets, removing redundant information, and optimizing data structure. Features: - Detect columns with identical headers - Find columns with identical data content - Support for case-sensitive/insensitive matching - Multiple removal strategies available - Preserve data integrity - Support for large datasets - Fast and efficient processing Common Use Cases: - Clean up merged datasets - Remove redundant data columns - Optimize data for analysis - Prepare data for machine learning - Reduce file size and complexity - Standardize data format

Network

DNS Query Tool

Query DNS records and domain resolution information including A, AAAA, MX, TXT, NS, and CNAME records

Security

Excel Field-Level Decryptor

Decrypt specific fields in Excel files using various decryption methods to restore encrypted information

Security

Excel Field-Level Encryptor

Encrypt specific fields in Excel files using various encryption methods to protect sensitive information

Format Conversion

EDN to JSON Converter

Convert EDN (Extensible Data Notation) data to JSON format