Formatters
Formatters turn compact or messy source into readable output you can inspect, share, and debug. Minifiers remove extra whitespace when you need a smaller payload. Processing stays on your device.
Popular in Formatters
Curated starting points in this category, not a live ranking.
JSON Formatter & Minifier
JSON formatter online: beautify, minify, and validate JSON in your browser. Tree view included — no signup. JSON stays on your device.
Code Formatter & Beautifier
Online code formatter and beautifier. Format JavaScript, TypeScript, JSON, HTML, and CSS in your browser. Copy or download the result — nothing is uploaded.
SQL Formatter & Beautifier
Online SQL formatter and beautifier. Pretty-print or compact SQL in your browser for PostgreSQL, MySQL, SQL Server, BigQuery, and more. Queries are never executed or uploaded.
Tools in Formatters
Related Encoders
Nearby utilities people often open next.
AES Encrypt Decrypt
AES encrypt decrypt online. Encrypt or decrypt UTF-8 text with AES-GCM 256 in your browser, or generate an RSA-OAEP key pair. Nothing is uploaded.
Base64 Encoder & Decoder
Online Base64 encoder and decoder. Encode or decode UTF-8 text in your browser, including Hindi, emoji, and other Unicode. Supports standard Base64 and Base64URL. Copy or download the result — nothing is uploaded.
Hash Generator
Online hash generator. MD5, SHA-256, HMAC, and bcrypt hash or compare in your browser from UTF-8 text or a small file. Nothing is uploaded.
HTML Encoder & Decoder
HTML encoder online. Encode or decode HTML entities in your browser — named, hex, or decimal. Nothing is uploaded.
Image to Base64 Converter
Image to Base64 converter. Encode PNG, JPEG, WebP, GIF, BMP, or SVG to a data URI, or decode Base64 back to an image in your browser — nothing is uploaded.
URL Encoder & Decoder
Online URL encoder and decoder. URL encode or decode with encodeURI(), encode a component with encodeURIComponent(), and parse query strings in your browser. Unicode-safe percent encoding — nothing is uploaded.
Related categories
- EncodersBrowser-based encoders and decoders, including a Unicode-aware Base64 encoder, an image to Base64 converter, and a URL encoder with query-string parsing. Private, no signup.
- Text ToolsOnline text tools including a Markdown editor with live preview, an online notepad, a Unicode-aware text and character counter, a typing test with a live visual keyboard, and a side-by-side text compare and diff checker. Private, browser-based utilities.
- Developer ToolsFree online developer tools for JWT, regex, cron, User-Agent parsing, IP conversion, and CIDR math. Browser-based utilities with no signup.
Related guides
Frequently asked questions
- Is JSON or code uploaded to format it?
- No. Beautify, minify, and SQL formatting run in the browser. Language preferences can stay in localStorage.
Looking for something else? Browse all Toolshelf tools.