DevConverter
Privacy-first — runs entirely in your browser

DevConverter

Convert, encode, decode and transform data instantly. The premium developer toolkit, redesigned for speed.

10+
Categories
40+
Converters
0 kb
Data Sent

Developer Toolkit

Everything in one place

{}

JSON Converters

Bidirectional JSON to XML, YAML, CSV, Excel, SQL, and TOML.

xmlyamlcsvsqltoml
🔐

Base64 Tools

Encode & decode strings, images, PDFs, and binary data.

stringimagepdfbinary
🔑

JWT Decoder

Decode JWT tokens, inspect claims, and check expiry — no server needed.

jwtauthclaimsoauth
🛡️

Password Generator

Cryptographically secure passwords and passphrases via Web Crypto API.

cryptopassphraseentropy
.*

Regex Tester

Test regular expressions in real time with match highlighting and group capture.

regexpmatchreplacegroups
Aa

Case Converter

Transform text: camelCase, snake_case, kebab-case, CONSTANT_CASE, and more.

camelsnakekebabpascal
01

Number Base

Convert between Decimal, Hex, Binary, and Octal. Supports BigInt.

hexbinaryoctalbigint
🎨

Color Converter

Convert HEX, RGB, HSL, and OKLCH. Preview live swatches and generate palettes.

hexrgbhsloklch
px

CSS Unit Converter

Convert px, rem, em, vw, vh, pt, cm, mm — all units in real time.

pxrememvwvh
🔗

URL Parser

Decompose URLs, encode/decode components, and build query strings.

urlqueryencodedecode
🌐

cURL Converter

Convert cURL to Fetch, Axios, or Postman collections.

fetchaxiospostman
📋

HTTP Status Codes

Searchable reference for all HTTP status codes — RFC 9110 and extensions.

http404500rfc
🗄️

SQLite Viewer

Upload .db files, browse tables, export JSON or CSV.

sqlitejsoncsvexport
⏱️

DateTime Tools

Unix timestamps, UTC, ISO 8601, time unit conversions.

unixutcisotimezone
🔢

UUID / ULID

Generate UUID v4, v7, and ULID identifiers in bulk via Web Crypto.

uuidulidv4v7

Ready to convert?

Pick any tool and start immediately. No sign-up required.

Open JSON Converter →