Data Format Conversion Tools
- Format JSON, XML, YAML and TOML quickly
- Inspect ASCII, colors, hex bytes and encoded data
- Compare text revisions without leaving the browser
A technical explanation of Unicode, UTF-8, Shift-JIS, byte sequences, mojibake, and how to debug encoding problems with small samples.
JSONPath for API Payloads: Querying Nested Data Without Writing a ScriptA technical introduction to JSONPath as a debugging tool for nested JSON responses, including paths, filters, arrays, and implementation differences.
Hex and Bytes Explained: Reading File Headers, Encodings, and Binary CluesA technical guide to hexadecimal inspection, byte order, file signatures, BOM markers, and why byte-level debugging helps with format problems.
JSON and CSV Are Not Equivalent: What Gets Lost During ConversionA practical technical article on converting between JSON and CSV, including nesting, headers, quoting, nulls, types, and spreadsheet assumptions.
JSON Validation vs Formatting: Syntax, Shape, and Schema Are DifferentA technical article explaining what JSON formatters can and cannot prove, how syntax differs from schema, and how to review payloads safely.
Base64 Explained: Encoding, Padding, Data URLs, and Common MistakesA technical article on how Base64 turns bytes into text, why padding exists, how URL-safe variants differ, and why Base64 is not encryption.
Count words, clean text, compare drafts, and reshape everyday writing faster.
Code and Data Formatting ToolsFormat JSON, XML, YAML, TOML, encode text, inspect headers, and validate technical data quickly.
Image Conversion and Compression ToolsCompress images, add watermarks, convert to Base64, inspect EXIF, and create QR or PDF outputs.
Tools In This Collection
JSON Formatter
Format, validate, minify, sort keys and inspect JSON outline locally.
XML Formatter
Format and validate XML locally with a clean pretty-printed output.
YAML Formatter
Format and validate YAML locally with stable indentation and clean output.
TOML Formatter
Format and validate TOML locally for config files and structured settings.
Base64 Encoder / Decoder
Encode/decode Unicode text, URL-safe Base64, and small files in the browser.
Color Converter
Convert HEX, RGB, HSL and HSV colors, inspect alpha values, pick colors visually and preview palettes instantly.
ASCII Table
Look up printable ASCII codes, control names and character conversions between decimal, hex and binary.
Text Diff Checker
Compare two text blocks line by line and highlight added, removed and changed content.
JSON ⇄ CSV Converter
Convert JSON arrays and CSV tables both ways in the browser, with headers, delimiter choice and quick validation.
Hex Editor
Inspect text or files as hex bytes, edit hexadecimal content, and decode it back to text locally in the browser.
Image Compressor & Converter
Compress images in the browser, convert to WebP / AVIF / JPEG / PNG, resize dimensions and compare file size savings instantly.
JSON / YAML / TOML / XML Converter
Convert structured data between JSON, YAML, TOML and XML, validate input, and preview the output with GitHub-style code highlighting.
Text Encoding Converter
Convert text bytes between UTF-8, UTF-16, Shift-JIS, EUC-JP and other browser-safe encodings, then inspect normalized text and hex bytes.
MIME Type Reference
Look up common MIME types, file extensions and browser-facing content-type values in one fast table.