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Formatter & converter hub

Code Beautify

Beautify HTML, CSS, JavaScript, Python-style indents, SQL, and more below — then browse validators and converters in the catalog.

Everything runs in your browser on DevBench — no uploads.

Online beautifier

Format HTML, CSS, SCSS, Less, JavaScript, TypeScript, TSX, JSON, Markdown, YAML, GraphQL, XML, and SQL with Prettier / sql-formatter. Python uses indent normalization (4 spaces per depth).

Full JSON workspace
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Featured workspaces

JSON Beautifier & Validator

Format, minify, tree, fix errors

Open

Unix Timestamp Converter

Epoch ↔ local time

Open

JWT Decode & Verify

Headers, payload, signatures

Open

Text & Code Diff

Side-by-side compare

Open

Cron Expression Editor

Human-readable schedule

Open

API Tester

HTTP requests in browser

Open

Popular tools

JSON BeautifierXML Viewer → JSONYAML → JSONJSON → YAMLSQL FormatterBase64 EncodeBase64 DecodeURL EncodeURL DecodeText → HexHex → TextHTML EncodeHTML DecodeJWT DecodeFile / Text DiffSHA256 / Hash GeneratorEncrypt / Decrypt (AES)CSS MinifyHTML MinifyMarkdown → HTMLHTML → MarkdownJSON → TypeScriptcURL FormattercURL → FetchImage ResizerPDF Page EditorXML Tools SuiteMorse Code TranslatorHEX ↔ RGB ↔ HSLUnix TimestampUUID GeneratorBinary / Hex / Octal

Browse by category

JSON, XML & YAML

Encode & decode

HTML, CSS, Markdown & SQL

Text & strings

Crypto & security

Dev utilities

Images & PDF

Converters

Catalog layout inspired by CodeBeautify. Want filters on every tool? DevBench home lists all 97+ tools with category chips.