DEV Community: Muhammad Huzaifa

Free Deep-Reasoning AI for Math and Science: GPT 5.6 Terra

Muhammad Huzaifa — Fri, 25 Sep 2026 12:48:47 +0000

Free Deep-Reasoning AI for Math and Science: GPT 5.6 Terra

Some problems can't be answered fast — they need to be worked through. GPT 5.6 Terra is OpenAI's deep-reasoning model with serious mathematical logic and scientific problem-solving chops. And it's free with no signup on Toolxz AI Chat.

What Terra is best at

Multi-step reasoning where a wrong turn early ruins everything:

"Walk through this probability problem step by step. Show your work at each stage: [problem]"

"Derive the time complexity of this algorithm formally, don't just state it: [code]"

"Check my physics reasoning — where does this derivation go wrong? [working]"

The key phrase is "show your work." Deep-reasoning models do their best when you demand the steps, not just the answer.

How to prompt it

Be explicit that you want rigor: "be rigorous," "verify each step," "flag any assumption." Terra will slow down and check itself — that's the point.

Try it free

Chat with GPT 5.6 Terra on Toolxz — no account, no API key. Also there: Claude Sonnet 5, GPT 5.6 Sol, Claude Fable, GLM 5.2, Kimi K3.

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical AI tooling and developer workflows.

Free VPS Forever: Oracle Cloud's Always Free Tier Explained (4 CPU, 24GB RAM)

Muhammad Huzaifa — Fri, 25 Sep 2026 12:03:46 +0000

Free VPS Forever: Oracle Cloud's Always Free Tier Explained (4 CPU, 24GB RAM)

AWS gives you a free VM for 12 months. Google Cloud gives you a tiny one forever. Oracle Cloud? 4 CPUs, 24GB RAM, 200GB storage — free forever. It sounds too good to be true, so I researched the actual terms. Here's what's real, what the catches are, and how to claim yours.

What you actually get

Oracle's Always Free tier (not the 30-day trial — that's a separate thing) includes:

Ampere A1 ARM compute: up to 4 OCPUs + 24GB RAM, splittable into up to 4 instances
2× AMD micro VMs: 1 OCPU / 1GB RAM each
200GB block storage and 10TB/month outbound transfer
2 public IPv4 addresses

Compare that to AWS/GCP free tiers (1 vCPU, 1GB RAM, 30GB storage — and AWS expires after 12 months) and it's not close. This is the only free tier that can run real workloads: Docker stacks, game servers, VPNs, self-hosted apps, even small LLM inference.

The catches (read before signing up)

1. You need a credit/debit card. It's for identity verification — Oracle places a small temporary hold that drops off in a few days. No prepaid or virtual cards accepted. You won't be charged as long as you stay within Always Free limits.

2. "Out of capacity" errors are common. The free ARM instances are in high demand. Free accounts only get capacity in their home region (picked at signup — it can never be changed), so you may need to retry instance creation for days. Choosing a less crowded region helps.

3. Idle instances can be reclaimed. If CPU, network, AND memory all sit below roughly 20% for 7 straight days, Oracle may stop the instance. Real workloads (a blog, a bot, a VPN you actually use) are fine. Upgrading to Pay-As-You-Go removes this entirely — and Always Free resources stay free on PAYG.

4. One account per person, and during your first 30 days only create resources labeled "Always Free Eligible" to avoid accidental charges.

How to claim it

Go to oracle.com/cloud/free and click "Start for free"
Create the account (card verification as described above)
In the console: Compute → Instances → Create Instance
Image: Ubuntu. Shape: VM.Standard.A1.Flex → set 4 OCPU / 24GB RAM
Make sure Assign a public IPv4 address is checked, and add your SSH key
Launch, SSH in, and set a $1 billing budget alert for peace of mind

One gotcha: Oracle blocks all inbound traffic by default. You must open ports in both the VCN security list and the instance's own firewall (iptables) — otherwise your site won't be reachable even though everything looks fine.

Pair it with free AI tools

A free server is even better with free tooling around it. A few I use daily — all free, no signup:

Toolxz AI Chat — free frontier AI models (Claude Sonnet 5, GPT 5.6, and more) right in the browser. Perfect for debugging server configs, writing Dockerfiles, or generating Nginx snippets at 2am.
Temp Mail — disposable email for service signups and testing, keeps your real inbox clean.
Secure Password Generator — strong random passwords for your server users and databases.

That's the whole stack: free VPS + free AI + free utilities. $0/month.

FAQ

Is Oracle Cloud Always Free really forever?
Yes — unlike AWS's 12-month trial, Always Free resources stay free for the life of the account as long as you remain within the limits.

Do I need a credit card?
Yes, for identity verification. A temporary hold is placed and removed within a few days; no charges apply within Always Free limits.

Why do I get "out of capacity" errors?
Free ARM capacity is limited per region. Retry over a few days, consider a less popular home region, or upgrade to PAYG (your free resources stay free).

Can my instance be deleted?
It can be stopped if completely idle for 7+ days (all usage metrics under ~20%). Keep a real workload running, or upgrade to PAYG to become exempt.

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical AI tooling and developer workflows.

GPT 5.6 Sol, Free: The Fastest AI for Quick Coding Answers

Muhammad Huzaifa — Fri, 25 Sep 2026 11:36:34 +0000

Not every question needs deep reasoning. Sometimes you just want the answer now — a syntax fix, a regex, the right array method. GPT 5.6 Sol is OpenAI's ultra-fast model built for exactly that: rapid, insightful answers and quick bug fixes.

It's free with no signup on Toolxz AI Chat. Here's where speed beats depth.

What Sol is best at

Fast-turnaround questions:

"Fix this regex to also match hyphens: [regex]"

"What's the difference between Promise.allSettled and Promise.all? One example each."

"This SQL is slow — give me the 2 most likely causes: [query]"

Short prompt in, short answer out. It's the model for the 30-second questions that interrupt your flow.

The workflow

Keep a Sol tab open while you code. Treat it like a faster Stack Overflow: ask, glance, get back to work. Save the heavy reasoning models for architecture decisions.

Try it free

Chat with GPT 5.6 Sol on Toolxz — no account, no API key. Also there: Claude Sonnet 5, GPT 5.6 Terra, Claude Fable, GLM 5.2, Kimi K3.

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical AI tooling and developer workflows.

Free Claude Sonnet 5 for Coding: No API Key, No Signup

Muhammad Huzaifa — Fri, 25 Sep 2026 11:29:37 +0000

Claude Sonnet 5 is Anthropic's flagship reasoning model — the one developers reach for when code actually has to work. Extended thinking, strong programming ability, careful reasoning. Normally you'd need an API key or a Pro subscription. On Toolxz AI Chat, it's free in the browser with no signup.

Here's how to get the most out of it for real dev work.

What Sonnet 5 is best at

Coding and reasoning. It's the model I trust with refactors I'm slightly afraid of:

"Refactor this Express middleware into smaller testable functions. Keep the exact behavior, add JSDoc comments: [code]"

"This recursive function blows the stack on large inputs. Rewrite it iteratively and explain what changed: [code]"

Give it room to think — longer, messier problems are where it earns its reputation.

The prompt pattern that works

Sonnet 5 responds well to constraints. Don't say "improve this code." Say:

"Review this for correctness, then performance, then readability — in that order. List issues before rewriting: [code]"

Ordered instructions → ordered thinking → better output.

Try it free

Chat with Claude Sonnet 5 on Toolxz — no account, no API key, no bill. More models in the same place: GPT 5.6, Claude Fable, GLM 5.2, Kimi K3.

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical AI tooling and developer workflows.

I Run Claude and GPT in Cursor Without API Bills: The Local Proxy Setup

Muhammad Huzaifa — Fri, 25 Sep 2026 11:28:03 +0000

Cursor's tab-completion is magic until you see the API bill. Per-token pricing for frontier models adds up fast when an agent is chewing through your whole repo. I wanted the same models in my editor without the meter running — so I built Toolxz Bridge: a free, open-source local proxy that routes AI into Cursor, VS Code, and Claude Desktop.

Here's the setup and the honest trade-offs.

What the Bridge actually does

It's a local reverse proxy that runs entirely on your machine (127.0.0.1). You sign in to the AI services you already use — your own accounts — and the Bridge exposes those sessions as standard OpenAI (/v1/chat/completions) and Anthropic (/v1/messages) endpoints. Your IDE talks to localhost, the Bridge translates, and the models answer.

No middleman subscription. No per-token markup. The key point: it routes your own authenticated sessions — it's infrastructure, not a free-models giveaway.

Setting it up in Cursor (2 minutes)

Start the Bridge locally (it listens on port 8000)
Open Cursor Settings → Models
Toggle OpenAI API Key, set the Base URL to http://localhost:8000/v1
Add a custom model name like gitlab/claude-opus-5
Chat and Cmd+K now run through your own sessions

Same trick works in VS Code (Continue / Cline extensions) and Claude Desktop — anything that accepts an OpenAI- or Anthropic-compatible endpoint.

Which models can you route?

Through GitLab Duo sessions: Claude Opus 5, Claude Sonnet 5, Claude Fable 5.1. Plus Google AI Studio (Gemini 3.8 Flash with a 2M-token context window), AWS Kiro Studio (Claude 3.7 Sonnet), and Qwen 2.5 Coder 32B. A Chrome-124 TLS engine keeps browser-grade session compatibility so logins don't break.

The privacy story (this matters)

Everything is local. Session cookies and tokens live in a machine-locked AES-256 encrypted vault on your computer. Zero cloud telemetry — your code never leaves your machine through us. If you're the kind of person who reads privacy policies, this is the architecture you want.

Honest limitations

You bring your own accounts — the Bridge doesn't create access you don't have
It's a local tool, so it runs where you run it (no hosted magic)
Session-based routing can break when providers change their web logins — the TLS engine handles most of it, but it's inherently less stable than a first-party API key

For agent-heavy Cursor sessions on repos, though, the economics are hard to argue with.

Try it

Free and open-source: toolxz.com/bridge

And if you want frontier models with zero setup at all, our AI Chat runs them right in the browser — no signup, no API key. I wrote about using it for coding help here.

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical AI tooling and developer workflows.

Free Password Generator: Create Strong Random Passwords Online (No Signup)

Muhammad Huzaifa — Fri, 25 Sep 2026 11:24:29 +0000

If you're still using your pet's name plus a birth year as your password, this post is for you. A free password generator is the fastest way to create strong, random passwords — and you don't need to install anything or create an account to use one.

I'm Muhammad Huzaifa, founder of Toolxz — 45+ free browser-based tools. Our Secure Password Generator creates cryptographically random passwords right in your browser: no signup, no server, no trace. Here's everything worth knowing about generating strong passwords, and how to do it in ten seconds.

What Makes a Password Strong?

A strong password has four ingredients:

Length — every extra character multiplies the combinations exponentially
Character variety — uppercase, lowercase, numbers, and symbols mixed together
Unpredictability — no dictionary words, no patterns like 1234 or qwerty
Uniqueness — never reused across two sites (one breach shouldn't open every door you own)

Humans are terrible at all four. That's exactly what a random password generator is for.

How Long Should Your Password Be?

Short answer: at least 12 characters for anything that matters. Here's the practical breakdown:

8 characters — fine for throwaway forum accounts, but weak against modern GPU cracking
12 characters — the sweet spot: over 70 bits of entropy, secure yet manageable
16–32 characters — for banking, crypto wallets, your primary email, and your password manager itself

Our generator has one-click presets for 8, 12, 15, 16, 20, and 24 characters, plus a custom slider up to 64.

How to Create a Strong Password in 10 Seconds

Open the password generator
Pick a length (12 for most accounts, 16+ for critical ones)
Toggle character sets — symbols on for maximum strength, off if a site rejects them
Hit generate, copy, done

Strict mode guarantees at least one uppercase letter, one lowercase, one number, and one symbol in every password, so you never get a weak-by-accident result.

Are Online Password Generators Safe to Use?

This is the right question to ask — and the answer depends on where the password is generated.

Many online tools generate passwords on their servers, which means your password exists on someone else's computer, even briefly. The Toolxz generator runs 100% client-side using the Web Crypto API: the password is created inside your own browser, never sent to our servers, never stored in a database, and vanishes when you close the tab.

Rule of thumb for any password generator: if it can't explain where the randomness comes from, don't trust it with your banking login.

Password Generator vs. Password Manager — Do You Need Both?

Yes — they solve different problems:

A password generator creates the strong password
A password manager remembers it for you

Generate with the tool, store in a manager (Bitwarden, 1Password, KeePass — pick your fighter). The generator also works great for one-off needs: Wi-Fi passwords, test accounts, shared credentials you rotate often.

Prefer something memorable instead? Try our passphrase generator — Diceware-style random words that are easy to recall but brutal to brute-force. Ideal for master passwords.

FAQ

Can a 12-character password be cracked?
A truly random 12-character password (mixed character sets) would take thousands of years to brute-force with current hardware. The danger isn't length — it's humans picking predictable patterns.

Should I use the same password everywhere?
Never. Credential-stuffing attacks specifically count on password reuse: one breached site hands attackers the keys to everything else.

Does Toolxz store my generated passwords?
No. Generation happens locally in your browser via the Web Crypto API. Zero servers, zero logs, zero storage.

Try it

Generate your next password here: toolxz.com/tool/secure-password-generator — free, no signup, gone when you close the tab.

And if you liked this, I also wrote about using free AI chat for coding help without API bills — same philosophy: powerful tools, zero signup walls.

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical security, AI tooling, and developer workflows.

Free AI Chat for Coding Help — No Signup, No API Key, No Bill

Muhammad Huzaifa — Fri, 25 Sep 2026 11:20:46 +0000

Every "free" AI coding assistant eventually hits you with the same wall: create an account, add a credit card, watch the token meter spin. I got tired of it, so I built my own way out — and now it's one of the most-used tools on my site.

I'm Muhammad Huzaifa, founder of Toolxz — 45+ free browser-based tools. Our AI Chat gives you multiple frontier AI models in the browser: no signup, no API key, no bill. Here's how I actually use free AI chat for real dev work, and the prompts that get the best results.

1. Debugging: paste the error, get the root cause

This is the #1 use case. Don't just paste the error message — paste the error plus the relevant code and what you already tried:

"I'm getting TypeError: Cannot read properties of undefined in this React component when the list is empty. Here's the component: [code]. I already checked that the API returns data. What's the root cause and the minimal fix?"

Specific context in → specific fix out. Vague questions get vague answers.

2. Explaining code you didn't write

Legacy codebase, inherited project, or a regex that looks like keyboard smash:

"Explain what this regex does step by step, then rewrite it in a more readable way: [regex]"

"What does this SQL query do? Are there any performance red flags? [query]"

Faster than tracing it by hand, and good for onboarding onto unfamiliar code.

3. Boilerplate without the typing

CRUD endpoints, form validation, config files — the boring stuff that eats afternoons:

"Write an Express POST endpoint with Zod validation for a user signup (name, email, password). Hash the password with bcrypt. Return proper status codes."

Then review it like a junior dev's PR — because that's what it is. Never ship AI boilerplate unreviewed.

4. A second pair of eyes before the PR

"Review this function for bugs, edge cases, and security issues. Be blunt: [code]"

It catches the off-by-one errors and the missing null checks you'd catch at 2am in production instead.

5. Learning a new library in minutes

"Explain React Server Components like I know regular React but have never used them. Give me one minimal example."

Faster than docs-diving when you just need the mental model.

One honest warning: don't paste secrets

Free browser chat is convenient, but treat it like Stack Overflow with a brain — never paste API keys, passwords, customer data, or proprietary business logic. Sanitize first, always. (This applies to every AI chat, paid or free.)

The honest limitations

Browser-based chat won't replace an IDE agent for repo-wide refactors — tools wired into your editor still win there. And without an account there's no cross-device history. For quick questions, debugging, and learning though? The gap is smaller than the pricing pages want you to believe.

Try it

If you want to test this workflow right now: toolxz.com/tool/ai-chat — pick a model, paste your bug, no signup. I'd genuinely like to know in the comments: what's the hardest bug an AI chat has helped you squash?

Founder of Toolxz (toolxz.com) — 45+ free browser-based tools. I write about practical AI tooling and developer workflows.