DevTools+ — 500+ Developer Tools in One App

The most comprehensive developer toolkit for mobile. 30 categories, 500+ tools, 99% offline, under 100ms. By developers, for developers.

TEXT & STRING (25 tools)
Char/word/line counter, trim whitespace, remove duplicates, sort lines, 8 case converters, find & replace with regex, text diff.

JSON (11 tools)
Format, minify, validate, tree viewer, sort keys, escape, convert to YAML/CSV/XML/TypeScript/Java.

XML (6 tools)
Format, minify, validate, tree viewer, XML-JSON converter, escape.

ENCODING & SECURITY (15 tools)
Base64, URL, HTML encode/decode. UUID generator. JWT decoder. MD5/SHA hash. HMAC. Password strength checker.

TIME & DATE (9 tools)
Unix timestamp converter, ISO 8601, timezone converter, cron builder & explainer.

WEB & API (9 tools)
HTTP status codes, MIME types, URL parser, User-Agent generator, cURL to fetch, REST tester.

NUMBER & DATA (9 tools)
Binary/decimal/hex converter, file size converter, calculator, ASCII table.

REGEX (5 tools)
Cheat sheet, presets, tester, match highlighter, regex replace.

CODE HELPERS (8 tools)
JS/TS/HTML/CSS formatter, markdown preview, indent, comment remover, syntax viewer.

PRODUCTIVITY (8 tools)
QR generator/scanner, scratchpad, checklist, clipboard history, snippets, OCR.

API DEVELOPMENT (25 tools)
GraphQL builder/tester, OpenAPI validator, Postman import, WebSocket/SSE tester, mock responses, auth helper, request history, webhook builder.

NETWORK (20 tools)
IP lookup, DNS, WHOIS, SSL checker, CIDR/subnet calculator, port reference, ping, traceroute, security headers.

CRYPTOGRAPHY (25 tools)
AES-256, RSA keys, bcrypt/argon2 hashing, PGP, JWT builder, TOTP/HOTP 2FA, Shamir secret sharing, secure vault.

DATA FORMATS (20 tools)
YAML/TOML formatter, CSV/JSON/XML/YAML converters, Protocol Buffers, MessagePack, BSON, Avro, EDI parser.

COLOR & IMAGE (10 tools)
WCAG contrast, palette generator, gradients, color blindness sim, Base64 image, EXIF viewer, SVG optimizer.

MATH (20 tools)
Roman numerals, primes, Fibonacci, matrix calc, statistics, loan calculator, bitwise ops, IEEE 754, big numbers.

TEXT ADVANCED (20 tools)
Unicode inspector, binary/hex text, Morse code, Lorem Ipsum, text stats, similarity, slugify, data masking.

DATA GENERATION (20 tools)
Random names/emails/IPs/dates/phones/addresses, test credit cards, mock JSON/CSV/XML, SQL inserts, barcodes.

SQL & DATABASE (20 tools)
SQL formatter, validator, query builder, MongoDB converter, index advisor, injection detector, migration generator.

ENCODING & CIPHERS (20 tools)
UTF-8/16, Punycode, Base32/58/85, ROT13, Caesar, Vigenere, Rail Fence & more.

FILE & DOCUMENT (25 tools)
File hash, type detection, line endings, chmod calc, PDF tools, hex viewer, archive inspector.

LOG ANALYSIS (20 tools)
Log filter, stack trace prettifier, JSON logs, Docker/K8s parser, exception aggregator, security logs.

SECURITY AUDIT (20 tools)
CVE checker, CSP builder, XSS/SQLi tester, JWT analyzer, OAuth validator, secret scanner.

CREDENTIALS (20 tools)
API key generator, SSH converter, encrypted vault, AWS/GCP/Azure parsers, connection strings.

GIT (15 tools)
Cheat sheet, .gitignore generator, commit validator, semver calc, diff viewer, hook generator.

CODE ANALYSIS (25 tools)
Complexity calc, duplication detector, AST explorer, dead code finder, bundle analyzer, health score.

CSS & STYLING (20 tools)
Minify/beautify, SCSS converter, flexbox/grid generator, animations, Tailwind converter.

MOBILE & REACT NATIVE (20 tools)
Component templates, Expo config, dimension calc, Redux generators, EAS build config.

TESTING (20 tools)
Test generator, Jest config, Playwright/Cypress, mock factory, load test builder.

DOCUMENTATION (15 tools)
Markdown-HTML converter, table/TOC generator, README templates, badges, API docs, Mermaid diagrams.

200+ free tools. Pro unlocks all, including future tools. No account needed. Data stays on device.

Made with love by Toshsoft