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7AZZANI — free security, performance and developer tools

  • Security Scanner

    09 · 09

    Security Scanner

    Comprehensive security analysis powered by AI. Detect vulnerabilities, assess risks, and get actionable recommendations to secure your web applications.

    Try it Now !
  • Turn Books Into Social Content

    01 · 09

    Turn Books Into Social Content

    Upload your PDF or DOCX and let AI generate, schedule, and publish book-based posts. Threads. Articles to X.

    Learn More
  • Encryption & Decryption

    02 · 09

    Encryption & Decryption

    Secure your data with military-grade encryption. Fast, free, and completely private.

    Try it Now !
  • IdentityLens

    03 · 09

    IdentityLens

    Search any username across 74+ platforms instantly. AI-powered analysis with self-learning ML engine. 100% Free.

    Try it Now ! (BETA)
  • ShrinkIt

    04 · 09

    ShrinkIt

    Transform long URLs into powerful, branded short links with advanced analytics, custom codes, and professional features.

    Try it Now !
  • QR Code Generator

    05 · 09

    QR Code Generator

    Create stunning, customizable QR codes in seconds. Dynamic tracking, beautiful designs, completely free.

    Try it Now !
  • URL Safety Lookup

    06 · 09

    URL Safety Lookup

    Receive comprehensive security assessment with risk levels, threat indicators, and actionable recommendations.

    Try it Now !
  • Internet Speed Test

    07 · 09

    Internet Speed Test

    Test your internet connection speed with our professional tool. Get detailed metrics about your download speed, upload speed, ping, and more.

    Try it Now ! (BETA)
  • Advanced Performance Analysis

    08 · 09

    Advanced Performance Analysis

    Get detailed insights into your website's performance with our comprehensive testing suite, Machine learning algorithms analyze performance patterns.

    Try it Now!

Every tool here is free, with no limits and no account. Support is what keeps them running and pays for the next one.

Support the work See the tools

01 · Tools

Nine tools that do one job each.

Security, performance and everyday utilities. Nothing to install, nothing to sign up for, and nothing kept that the tool did not need.

DB Converter

New

Convert between SQLite, CSV, JSON and Excel, streamed so large files do not have to fit in memory.

  • Streaming
  • SQLite
  • Excel
Convert a database

Security Scanner

Audit a site for vulnerabilities, SSL problems and missing security headers, with the findings explained.

  • SSL
  • XSS
  • Headers
Scan a site

Encryption

AES-256 encryption for text and files. The key never leaves the exchange between you and the person you send it to.

  • AES-256
  • Files
  • Text
Encrypt something

Speed Test

Measure download, upload and latency against a server you choose, with the raw numbers shown.

  • Download
  • Upload
  • Ping
Test a connection

ShrinkIt

Short links with analytics, custom codes, QR codes and optional password protection.

  • Analytics
  • Custom codes
  • QR
Shorten a URL

QR Generator

QR codes with your own colours and logo, and a scan count if you want one.

  • Colours
  • Logo
  • Tracking
Make a QR code

URL Lookup

Check whether a link is safe before you open it: phishing and malware signals, plus WHOIS and DNS.

  • Safety
  • WHOIS
  • DNS
Look up a URL

IdentityLens

Open-source research on a digital footprint, for verification work rather than surveillance.

  • OSINT
  • Research
  • Verify
Start research

Source Extractor

Live

Pull a page's HTML, CSS and design tokens apart and read what it was actually built with.

  • Tokens
  • Stylesheets
  • Report
Extract a page

In progress

Image to Base64

Convert images to base64 strings for inlining.

What it will do

SEO Debugger

Inspect metadata, structure and the things that quietly cost rankings.

What it will do

Stuck on one of them? Read the FAQ.

02 · Writing

What I have been working out in public.

60 published pieces on building, breaking and running software. Read all of them →

Most recent

DevOps & Deployment 12 Linux 6 Django 8 DevOps & Cloud 2 Python 7 Cybersecurity 6 Database Management 4 Networking 8 Frontend Frameworks 1 Web Security 4 Backend Development 0 WordPress 2

03 · Subjects

Three things this site keeps coming back to.

Not a curriculum. These are the areas the tools and the writing both grew out of.

Web

Modern web development

Frameworks, libraries and the patterns that hold up once real traffic arrives.

  • React, Vue, Angular
  • Django, Node, Express
  • Responsive design

Data

Data science & analytics

Collecting, cleaning and reading data well enough to decide something with it.

  • Pandas, NumPy
  • Visualisation
  • ML fundamentals

Ops

Cloud & DevOps

Getting software deployed, observed and scaled without a 3am surprise.

  • Docker
  • CI/CD
  • AWS, Azure, GCP

04 · Community

Questions, answered by people who have hit the same wall.

Stuck on something specific? Ask it here. Answers come from developers who have shipped the thing you are stuck on, and they stay searchable for whoever hits it next.

  • Answers from people doing the work, not a bot
  • A searchable archive of 87 answers
  • Reputation for helping, if you care about that
Ask a question Browse questions
Recent questionsAll
7 months, 3 weeks ago3 answers

i have issue with twilio + django

abdullah 715 views 1 votes
8 months, 2 weeks ago1 answer

How to add HTTPS to Django with Nginx

devops_guru 2488 views 45 votes
8 months, 2 weeks ago1 answer

How to implement Django file uploads

web_developer 2485 views 31 votes
60Articles published
12Topics covered
85Questions asked
87Answers written

05 · Wherever you are

Written for three different afternoons.

The same subject looks different depending on how long you have been at it, so most things here are written more than once.

  • 01

    Starting out

    • Step-by-step walkthroughs with the complete code, not fragments
    • Language fundamentals explained without assuming the last article
    • Projects you finish, so the learning has somewhere to land
  • 02

    Already shipping

    • The techniques and trade-offs behind the obvious answer
    • Framework-specific guides and the optimisations that pay off
    • Debugging and performance work, with the measurements shown
  • 03

    Responsible for the whole thing

    • Architecture and the scaling patterns that survive contact
    • Deep dives on the parts nobody documents
    • Technical leadership, written by someone still in the code

06 · Stay in touch

New tools and new writing, when there is some.

No schedule, no filler. An email when something is actually worth your time, and an unsubscribe link in every one.

Your address is used for this and nothing else. Unsubscribe whenever.

Account

Join in

An account lets you ask questions, post answers and keep track of what you have read. It is free and takes a minute.

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