All tools

Toolbox

Security, accounts, network, payments, publishing and developer tools — organized by category

47 tools
9 categories

Security

2FA, passwords & identity

4
2FA Code TOTP code generator Password Generator Strong password generator JWT Decode Parse JWT header & payload (no signature verify) Hash SHA-256 / SHA-1 hashing in your browser

Publishing

Build, signing, store assets & release checklists

9
App Publish Featured Privacy, listing copy, keywords, IDs & asset sizes Release Checklist Featured Pre-submit checklist for iOS & Android Version Check Validate versionName & build numbers Listing Limits Title, subtitle & description char limits Signing Guide APK, AAB & IPA signing essentials Play Data Safety Google Play Data safety form helper ASO Keywords ASO keyword pairing for stores Screenshot Sizes Screenshot & feature graphic sizes Dev Status Apple, Google & Firebase status pages

Developer Accounts

Developer account enrollment, portals & sandbox

7
Dev Accounts Featured Enrollment checklists, portals & test accounts Apple Enrollment Featured Apple Developer Program enrollment steps Google Play Setup Google Play developer account setup Developer Portals ASC, Play Console, ABM & official portals Sandbox Testers Sandbox testers & IAP test setup Dev Resources Appeal templates, DUNS, EIN & ABM ABM Guide Apple Business Manager setup guide

SEO & ASO

Web SEO, structured data & store ASO

8
SEO & ASO Hub Featured Meta, OG, sitemap & JSON-LD generators Meta Tags Generate essential meta tags Title & Description Featured Title & description length audit Open Graph Open Graph tags for social sharing JSON-LD Schema WebSite & SoftwareApplication schema Keyword Density Keyword density analyzer robots.txt robots.txt rule generator ASO Subtitle App Store subtitle (30 chars) helper

Network

DNS, IP, SSL & network diagnostics

4
IP Tools IP risk score, ASN, VPN, WebRTC & DNS leak detection DNS Tools DNS lookup, ping & CDN detect SSL Check SSL cert expiry, issuer & certificate chain Whois Lookup Whois domain registration & registrar lookup

Finance

Exchange rates & virtual cards

4
Exchange Rate Live USDT/CNY exchange calculator Virtual Card Virtual card BIN & platform support BIN Lookup Look up issuer from first 6–8 card digits Virtual Card Guide Virtual card platforms compared by use case

Developer

Expiry alerts & developer ops

3
Expiry Alerts Apple, domain & VPS expiry via Telegram Dev Status Apple, Google & Firebase official status pages Appeal Templates Appeal letter templates for app & account rejections

Utilities

Encoding, hash, timestamps & more

4
Utility Tools Base64, JSON, UUID, JWT & more Base64 Encode & decode UTF-8 text to Base64 JSON Format Pretty-print, minify & validate JSON Timestamp Convert Unix timestamps ↔ local datetime

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