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JSON Tools
Format, validate, minify, inspect, and convert JSON data.
Formatters
Beautify and minify code for JavaScript, CSS, HTML, SQL, and XML.
CSS Tools
Validate, compile and convert CSS/LESS into browser-friendly stylesheet output locally.
Markdown Tools
Preview, format, convert and generate Markdown for docs and README workflows.
Converters
Transform common data and document formats between developer-friendly representations.
Excel Tools
Convert pasted spreadsheet table data into developer-friendly output.
OPML Tools
View outline trees and convert feed subscription data into developer-friendly JSON.
Code Tools
View source code with syntax highlighting, line numbers, themes and local file handling.
HTML Tools
View, edit, preview and inspect HTML markup safely in the browser.
TOML Tools
Validate TOML and convert configuration files between TOML and JSON.
CSV Tools
View and inspect CSV files as searchable, validated browser-based tables.
SQL Tools
Generate, format, minify and prepare SQL text with local browser-based utilities.
YAML Tools
Validate, minify, prettify, highlight, and convert YAML/JSON/CSV/TSV/Image/XML for configuration workflows.
RSS Tools
View RSS and Atom feeds with safe previews, parsed metadata and JSON/XML downloads.
XML Tools
Format, view, compact, validate and convert XML records with editor-style utilities.
Image Tools
Convert, compress, remove backgrounds, resize, and download images directly in your browser.
Escape / Unescape
Escape and unescape JSON, URL and YAML text for safe transport and display.
Number Tools
Convert integers between decimal, binary, octal and hexadecimal with BigInt precision.
Network Tools
Parse URLs, inspect DNS, validate links, test APIs and check browser-reachable ports locally.
Dev Tools
Compare, inspect, download public front-end source, and share developer data with focused debugging utilities.
Decompilers
Inspect class files, archives and bytecode metadata with focused decompiler utilities.
Generators
Create identifiers, passwords, mock data, and random JSON fixtures.
Chart Tools
Build charts and graphs from pasted data with local previews and exports.
Cheat Sheets
Quick command references for editors and developer workflows.
Cryptography
Decode JSON Web Tokens, inspect claims and use local security helpers without sending sensitive data anywhere.
Encoding
Generate QR codes, encode images, encode or decode Base32/Base58/Base64, and inspect UTF-8 text for app and API workflows.