←Reetesh SudhakarBack to home
Jump to tool
Search for a tool to open.
Dev tools.
Fast browser-based utilities for everyday engineering tasks.
Quick Search
Find a tool instantly
Full Collection
All tools
yaml / json / converter
YAML ↔ JSON
Convert YAML to JSON or JSON to YAML with validation, copy, and download.
jwt / decoder
JWT Decoder
Decode JWT header and payload, inspect claims, and check expiration timestamps.
json / to / ts / types
JSON → TS Types
Generate TypeScript interfaces and types from JSON structures.
uuid / generator
UUID Generator
Generate one or many UUID v4 values and copy or download the list.
curl / to / fetch
Curl → fetch
Convert common cURL commands into fetch API code snippets.
regex / tester
Regex Tester
Test regular expressions against text with live matches and capture groups.
base64 / tool
Base64 Tool
Encode and decode Base64 and Base64URL strings quickly.
json / formatter
JSON Formatter & Validator
Validate JSON as you type and format it with pretty print.
url / encoder
URL Encoder & Decoder
Encode strings to URL-safe format or decode URL-encoded strings back to normal text.
timestamp / converter
Timestamp Converter
Convert between epoch timestamps (seconds, milliseconds, microseconds, nanoseconds) and human-readable date/time in UTC and local timezone.