Defolt Labs Tools
Developer Tools
A growing set of browser-based tools built for speed, privacy, and clarity. No installs, no uploads.
Formatters & Validators
JSON Formatter
Format, minify, and copy JSON with instant feedback.
XML Formatter
Format, minify, and validate XML with clean output.
Config Formatter
Format, align, and organize config files (.env, properties).
YAML ⇄ JSON
Convert between YAML and JSON formats. Copy or download results.
Date Formatter
Convert dates between ISO, Unix, UTC, and readable formats.
Generators
UUID / ULID
Generate UUID v4 or ULID identifiers for databases, logs, and APIs.
Hash Generator
Generate SHA-256, SHA-1, or MD5 hashes for integrity checks.
QR Generator
Create QR codes for URLs, documents, and contact info.
Barcode Gen
Generate barcodes (CODE128, EAN-13, etc.) instantly.
Randomizer
Generate mock user data, passwords, and JSON arrays for testing.
Encoders & Decoders
Base64 Encoder
Encode or decode Base64 strings for payloads, tokens, and debugging.
JWT Decoder
Decode JSON Web Tokens to inspect header and payload safely.
URL Encoder
Safely encode or decode URLs and query string parameters.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, or Sentence case.
Text Tools & Converters
Text Cleaner
Remove extra spaces, normalize line breaks, and trim text.
Char Counter
Count words, characters, sentences, and paragraphs.
CSV / JSON
Convert between CSV and JSON formats. Copy or download results.
Image Converter
Convert images between PNG, JPG, WebP, GIF, and BMP formats.
PDF to Word
Convert PDF documents to editable Word (DOCX) files.
API & Business
cURL Generator
Generate cURL commands from method, headers, and body.
Invoice Gen
Generate sequential invoice numbers and reference codes.