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Browse the tool catalog - Developer & Web | Page 9

Developer utilities, networking, web debugging, and automation helpers Page 9.

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Visualizations392

Math, Date & Finance589

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

Images, Audio & Video582

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

Design & Color289

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

Text & Writing204

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

Developer & Web169

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding168

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

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

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Development

Array Reverser

Reverse the order of array elements with support for various input formats

Development

Array Slicer

Extract specific portions from arrays with support for various slicing methods and flexible range selection

Development

Accessibility Audit Report Generator

Audit HTML or a URL for common WCAG issues and export a structured PDF report grouped by severity

Development

Cron Expression Tester

Test and validate cron expressions, see future execution times

Development

Changelog Extractor

Parse and extract structured data from changelogs and release notes in multiple formats

Network

CIDR Calculator

Calculate network information from CIDR notation. Supports IPv4 and IPv6.

Development

Code Formatter

Format code in various languages

Network

BGP Community Regex Tester and Looking-Glass Explainer

Validate RFC 8294 BGP community regex patterns against a set of communities, match sample AS-paths, and generate Cisco/Juniper/FRR route-policy output.

Development

Batch URL Validator

Validate multiple URLs at once with format checking and security analysis

Network

Wi-Fi Channel Overlap Planner

Plan 2.4, 5, and 6 GHz Wi-Fi channels from measured AP channels, widths, and RSSI, with overlap, DFS, and PSC warnings.

Development

WebSocket Frame Decoder

Decode raw WebSocket frames (hex or base64) byte by byte per RFC 6455: FIN/RSV/opcode, MASK bit, extended lengths, masking key, unmasked payload, close codes, and protocol-violation warnings.

Development

WebSocket Tester

Connect to any WebSocket (ws:// or wss://) endpoint from your browser, send and receive messages, and inspect open/close/error events with codes — ideal for debugging real-time APIs and sockets