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MxToolBox VS LocalSecTools

Compare MxToolBox VS LocalSecTools and see what are their differences

MxToolBox

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

Rating
0 reviews
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Alternatives Is it good?
LocalSecTools

Privacy-first, 100% client-side SecOps, CIDR, Linux & SIEM engineering tools.

Rating
0 reviews
Pricing
Free
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Alternatives Is it good?
KindProxy
KindProxy offers rotating residential and static ISP proxies across 198+ countries and regions. Featuring HTTP(S) and SOCKS5 support, sticky sessions, and city and ASN targeting, it's ideal for web scraping, SEO monitoring, market research, ad verifi sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, MxToolBox seems to be a lot more popular than LocalSecTools. While we know about 201 links to MxToolBox, we've tracked only 1 mention of LocalSecTools.

social mentions
201 vs 1
Diagnostics Software popularity
100% vs 0%
alternatives listed
240+ vs 10

Base details

Website, pricing, platforms and company facts side by side.

MxToolBox
LocalSecTools
Website mxtoolbox.com localsectools.com
Pricing —
Free
Platforms —
Web
Company — 1 - 9 employees · 2026
Listed in
Diagnostics Software Domains DNS Lookup DMARC Monitoring +1
IT And Cybersecurity Network Management Developer Tools Sysadmin Tools +1

About MxToolBox and LocalSecTools

In their own words, as submitted to SaaSHub.

MxToolBox
LocalSecTools

No description of MxToolBox yet.

LocalSecTools provides security analysts, cloud architects, and Linux engineers with 10 essential browser-local utilities that never transmit inputs to a server. Designed for air-gap-grade operational security, it replaces ad-heavy server-side calculators with instant client-side tools for visual...

Read more about LocalSecTools

Features and specs

What each product offers, as listed by its team.

MxToolBox 5 features
LocalSecTools 10 features
  • Ease of Use
    MxToolBox offers a user-friendly interface that makes it simple for users of all technical levels to conduct a variety of diagnostic tests.
  • Comprehensive Tools
    It provides a wide range of tools such as DNS lookup, email health check, blacklist check, and more, making it a one-stop solution for IT professionals.
  • Speed
    The platform delivers fast results, allowing users to quickly diagnose and address issues without lengthy wait times.
  • Free Tier
    MxToolBox offers a robust free tier of services that can handle basic diagnostics and checks, making it accessible for smaller businesses or individual users.
  • Detailed Reports
    The tool provides detailed reports that can be exported, which are beneficial for record-keeping and further analysis.

Possible disadvantages

  • Premium Costs
    Advanced features and extended monitoring options require a paid subscription, which can be expensive for small businesses or independent users.
  • Limited Customization
    The platform offers limited customization options for users to tailor reports and dashboards according to their specific needs.
  • Advertisement
    Free tier users may experience ads, which can be distracting and negatively impact the user experience.
  • Occasional Downtime
    Some users have reported occasional downtime or issues with service reliability, which can be problematic during critical troubleshooting.
  • Learning Curve
    Despite its user-friendly interface, some of the more advanced features may require a learning curve for users who are not well-versed in IT diagnostics.
  • Visual CIDR Subnet Splitter & IPv4 Calculator
    Interactively split and merge IPv4 CIDR blocks (/16 to /32), calculate usable hosts, and map RFC 1918 cloud VPC ranges.
  • Linux Chmod Permissions Calculator (Octal & Symbolic)
    Convert octal (755, 600, 777) and symbolic (-rwxr-x---) Linux file permissions with automated security risk warnings.
  • Crontab Visualizer & Systemd .timer Generator
    Translate 5-field cron expressions into plain English, next run timestamps, and systemd OnCalendar= .timer unit files.
  • CVSS 4.0 & CVSS 3.1 Base, Threat & Environmental Calculator
    Calculate CVSS v4.0 and v3.1 vulnerability severity scores and parse vector strings offline in your browser.
  • Offline PowerShell Base64 & Log De-obfuscator
    Decode PowerShell UTF-16LE Base64, Hex, Binary, URL, and Gzip-compressed security logs 100% locally in your browser.
  • Client-Side JWT Decoder & Vulnerability Auditor
    Inspect JSON Web Token headers, payloads, and expiration timestamps locally with automated alg:none security checks.
  • Threat Intelligence IOC Extractor & URL/IP Defanger
    Extract and defang IPv4s, URLs, root domains, SHA256/MD5 hashes, and CVEs from raw incident logs and phishing emails.
  • SPF & DMARC TXT Record Builder & Diagnostic Validator
    Generate SPF and DMARC DNS records and diagnose p=none quarantine warnings or >10 DNS lookup limit errors.
  • JSON ↔ YAML Converter & Cloud IAM Policy Linter
    Convert JSON and YAML configurations locally and audit AWS IAM / Kubernetes manifests for wildcard (*) privilege risks.
  • KQL & Splunk SPL SIEM Detection Query Builder
    Build and translate Microsoft Sentinel KQL, Splunk SPL, and LogQL detection queries side by side with a visual builder.

Analysis

An editorial look at what each product does well and who it suits.

MxToolBox
LocalSecTools

Overall verdict

  • Yes, MxToolBox is considered a good and valuable resource for network diagnostics and email troubleshooting. Its robust set of tools and user-friendly interface make it an excellent choice for both technical experts and those with less networking experience.

Why this product is good

  • MxToolBox is widely used and trusted by IT professionals for its comprehensive suite of online tools that assist with network diagnostics and troubleshooting. It offers services such as DNS lookup, blacklisting checks, SMTP diagnostics, and email server testing, which are essential in identifying and resolving network issues efficiently. The platform provides reliable information and results that aid in maintaining optimal network performance and email deliverability.

Recommended for

    MxToolBox is highly recommended for IT professionals, network administrators, email server administrators, and anyone responsible for maintaining the health and security of network systems. It is also beneficial for businesses of all sizes that rely on email communication and need to ensure their servers and domains are functioning correctly and not blacklisted.

No analysis of LocalSecTools yet.

Videos

Walkthroughs and reviews on video.

MxToolBox 1 video + Add
LocalSecTools 0 videos + Add

Episode 201 - Tools, Tips and Tricks - MXToolbox.com

No LocalSecTools videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
MxToolBox
LocalSecTools
100% 100%
Diagnostics Software
0% 0%
0% 0%
IT And Cybersecurity
100% 100%
100% 100%
Website Monitoring
0% 0%
0% 0%
Developer Tools
100% 100%

Questions & Answers

As answered by people managing MxToolBox and LocalSecTools.

Who are some of the biggest customers of your product?

LocalSecTools's answer:

  • Enterprise SOC & Incident Response Teams
  • Cloud Network & VPC Architects (AWS, Azure, GCP)
  • Linux System Administrators & DevOps Engineers
  • Application Security (AppSec) & Vulnerability Management Analysts
  • DACH Region (Germany, Austria, Switzerland) GDPR-Conscious IT Teams
  • Cybersecurity Students & Networking Certification Candidates

What makes your product unique?

LocalSecTools's answer:

LocalSecTools combines 10 core security operations (SecOps), cloud networking, and Linux system administration calculators into a single, 100% client-side workbench where tool inputs never leave your browser. Unlike fragmented utility sites that only do one thing or transmit user inputs to a backend API, LocalSecTools runs every operation locally via browser WebCrypto, DecompressionStream, and bitwise arithmetic. It also bridges legacy and modern workflows out of the box—such as translating 5-field Linux crontabs directly into systemd OnCalendar= .timer unit files, scoring CVSS v4.0 alongside CVSS v3.1, and generating Microsoft Sentinel KQL and Splunk SPL detection queries side by side.

Why should a person choose your product over its competitors?

LocalSecTools's answer:

Security analysts and infrastructure engineers frequently handle sensitive data—such as production JSON Web Tokens (JWTs), obfuscated PowerShell incident logs, internal IPv4 subnet architectures, and cloud IAM policies—that strict corporate data-protection and GDPR/DSGVO policies forbid pasting into server-side web decoders.

Engineers choose LocalSecTools over single-purpose tools like Crontab.guru, JWT.io, MXToolbox, or heavy frameworks like CyberChef because: 1. Zero Server Uploads: All decoding, parsing, and bitmask calculations execute strictly client-side in your browser. 2. Built-in Security Auditing: Instead of just converting values, the tools actively flag operational risks (such as chmod 777/666 world-writable warnings, JWT alg:none signature bypasses, DMARC p=none non-enforcement, and wildcard "*" IAM privilege escalation). 3. Keyboard-First Speed: Instant Command Palette navigation (Ctrl+K / Cmd+K), zero login walls, sub-second static page loads, and bilingual English and German (/de/) interfaces.

How would you describe the primary audience of your product?

LocalSecTools's answer:

Our primary audience consists of Security Operations Center (SOC) analysts, DevSecOps engineers, cloud network architects (AWS, Azure, GCP), Linux system administrators, and cybersecurity students. It is specifically built for technical practitioners who need fast, air-gap-safe browser utilities during live incident triage, firewall and VPC subnet planning, vulnerability scoring, and server hardening.

What's the story behind your product?

LocalSecTools's answer:

LocalSecTools was founded and engineered by Asad Ali (an IT Support & Security Operations Engineer, Microsoft SC-200 and ISC2 CC certified). While working across enterprise system deployments, Linux server administration, and security operations, he noticed a recurring operational hazard: engineers had to jump between a dozen slow, ad-cluttered websites just to decode a PowerShell Base64 string, split a /24 CIDR block, inspect a JWT, or test a cron schedule—often risking accidental exposure of corporate tokens or logs to third-party servers. He built LocalSecTools.com to give the engineering and SecOps community a fast, unified, privacy-first utility workbench where every tool executes locally in the browser.

Which are the primary technologies used for building your product?

LocalSecTools's answer:

  • Next.js (Static Site Generation / App Router)
  • TypeScript
  • React
  • Tailwind CSS
  • Web Cryptography API (WebCrypto) & Native Browser DecompressionStream

User comments

Share your experience with using MxToolBox and LocalSecTools. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

MxToolBox 201 mentions
LocalSecTools 1 mention
  • Ask HN: Need Email Deliverability Expert
    Did you do blacklist (and other) checks with https://mxtoolbox.com/ ? - Source: Hacker News / 22 days ago
  • Ask HN: Replacement for Rackspace SMTP Hosting?
    Made the switch to self-hosted https://mailu.io (on k8s) 2 years ago when Gandi announced the deprecation of their free plan. Happy after IP was off most blocklists, but setup was kinda rough - https://mxtoolbox.com is your friend. - Source: Hacker News / over 1 year ago
  • DKIM, SPF, SpamAssassin Email Validator
    I used these tools in the past: https://mxtoolbox.com/ https://www.mail-tester.com/. - Source: Hacker News / over 2 years ago

View more

  • Stop Pasting Production Secrets Into Web Calculators: Subnet, chmod and Cron Math You Can Do Offline
    That test is why I built LocalSecTools, a set of browser-only security and sysadmin utilities. Every calculation there runs in JavaScript on your machine, and the Network tab stays quiet while you work. - Source: dev.to / about 16 hours ago

Alternatives to MxToolBox and LocalSecTools

When comparing MxToolBox and LocalSecTools, you can also consider the following products.

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