DevBuddy: Developer Tools

DevBuddy is an all-in-one toolkit for developers, QA engineers, API testers, DevOps teams, students, and technical power users.

Instead of installing a separate app for every task, get fast access to the tools you use most:

JSON Formatter

XML Formatter

SQL Formatter

Markdown Preview

Diff Tool

Base64 Encoder / Decoder

URL Encoder / Decoder

HTML Entity Encoder / Decoder

JWT Decoder

UUID Generator

Hash Generator

QR Generator

Unix Timestamp Converter

Color Picker

Number Base Converter

Regex Tester

YAML to JSON Converter

Prompt Template Builder

Token Counter

Text Chunker

Markdown to JSON Tooling

API Payload Explorer

AI Safety Checker

UUID + Hash Audit

TOTP Tester

AES Encrypt / Decrypt

HMAC Generator and Verification

Why developers use DevBuddy:

Work faster with 27 essential tools in one app

Format, validate, convert, compare, encode, decode, generate, and test instantly

Use practical tools for JSON, JWT, Base64, regex, UUID, SQL, YAML, timestamps, encryption, hashes, and more

Designed for everyday debugging, development, QA, API work, and incident response

Clean mobile interface built for quick utility, not clutter

Popular use cases:

Pretty print and validate JSON

Decode JWT tokens

Test regex patterns

Generate UUIDs and hashes

Convert Unix timestamps

Encode Base64 and URLs

Format SQL and XML

Generate QR codes

Verify TOTP codes

Encrypt and decrypt text with AES

Create HMAC signatures

Chunk text for prompts and RAG workflows

DevBuddy is built for speed and convenience so you can solve small technical problems quickly from your phone.

Install DevBuddy and keep your essential developer tools in your pocket