Format Tools
File format reference, encoding utilities, and conversion guides.
Format Identifier
MIME Type Lookup
Base64 Encoder / Decoder
URL Encoder / Decoder
HTML Entity Encoder / Decoder
Markdown to HTML Converter
YAML โ JSON Converter
Line Ending Converter
Data URI Generator
Hex Dump Viewer
Unicode Escape Converter
File Size Converter
Character Set Analyzer
Format Comparison Guide
Conversion Guide
Learn Format Tools
Key concepts and practical guides to level up your workflow.
๐ ุงูู ุณุฑุฏ
An Apple-developed uncompressed audio format similar to WAV, commonly used in professional audio on macOS.
An extension of PNG supporting animated images with full alpha transparency, superior to GIF's 256-color โฆ
A cross-language columnar memory format for flat and hierarchical data, enabling zero-copy reads for analytics.
Microsoft Word's default document format using XML files compressed in a ZIP archive.
The first few bytes of a file identifying its format regardless of extension (e.g. %PDF โฆ
A JSON-based format recording HTTP request/response data, used by browser DevTools to export network activity.
A container format for images and sequences using HEVC compression, adopted by Apple as the โฆ
A lossy audio codec designed as the successor to MP3, offering better quality at similar โฆ
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Audio formats balance file size against sound quality. This comparison covers the most common formats and helps you choose the right one for music, podcasts, โฆ
Scientific notation makes very large and very small numbers manageable. This guide covers notation systems, significant figures, and formatting conventions used in science, engineering, and โฆ
Converting files between formats is a daily task for professionals across every industry. This comprehensive guide covers document, image, audio, and video conversion principles that โฆ
Combining multiple PDF documents into a single file is one of the most common document tasks. This guide walks you through merging PDFs while preserving โฆ
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15 specialized sites โ one easy-peasy family.