Skip to content
Free Tools Galaxy
🧂
100% free · no signupRuns in your browser

Bcrypt Generator

Generate bcrypt-style stretched password hashes using PBKDF2-SHA-256.

Best for: Storing user passwords in an application — bcrypt, scrypt or Argon2 are the recommended choices.

Complete guide

Input

How it's calculated & sources
The Bcrypt Generator uses the standard, deterministic formula, so the same inputs always produce the same result. It runs entirely in your browser, so your inputs are never uploaded. Last reviewed June 2026.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

Continue your journey

Where people usually head next.

🛡️
Password Strength Checker
Analyze password entropy, length and character variety with instant strength rating.
🧮
Password Entropy Calculator
Compute the exact Shannon entropy in bits for any password.
🔑
Secure Passphrase Generator
Generate XKCD-style diceware passphrases with adjustable word count and separators.
🪪
JWT Decoder
Decode and inspect any JSON Web Token header, payload and signature.

Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is Bcrypt?
A bcrypt generator produces a bcrypt password hash — the kind of slow, salted hash designed specifically for storing passwords safely.
Why does Bcrypt matter?
A self-contained hash string that embeds the salt and cost, ready to store in a database. To check a login you re-hash the entered password with the stored salt and compare.
How is Bcrypt calculated?
Unlike fast hashes, bcrypt is deliberately slow and includes a random salt and an adjustable work factor (cost). The salt means identical passwords hash differently, and the work factor lets you make hashing slower as hardware speeds up, which keeps brute-force attacks expensive.
What is a good bcrypt?
A work factor (cost) around 10-12 is common today; raise it as servers get faster so a single hash takes a noticeable fraction of a second.
What are common bcrypt mistakes?
Using a fast hash (MD5/SHA-256) for passwords instead of bcrypt/scrypt/Argon2.
When should you use the Bcrypt Generator?
Storing user passwords in an application — bcrypt, scrypt or Argon2 are the recommended choices.

What is the Bcrypt Generator?

A bcrypt generator produces a bcrypt password hash — the kind of slow, salted hash designed specifically for storing passwords safely.

How the Bcrypt Generator works

Unlike fast hashes, bcrypt is deliberately slow and includes a random salt and an adjustable work factor (cost). The salt means identical passwords hash differently, and the work factor lets you make hashing slower as hardware speeds up, which keeps brute-force attacks expensive.

What's a typical value?

A work factor (cost) around 10-12 is common today; raise it as servers get faster so a single hash takes a noticeable fraction of a second.

Key terms

Salt:
Random data mixed in so identical passwords get different hashes.
Work factor:
A cost setting that makes hashing slower and brute-force harder.

Common mistakes to avoid

  • Using a fast hash (MD5/SHA-256) for passwords instead of bcrypt/scrypt/Argon2.
  • Adding your own salt — bcrypt already generates and stores one.
  • Setting the work factor so low that hashing is instant, which helps attackers.

Keywords: bcrypt, password, hash, pbkdf2.

Sources: OWASP — Password Storage Cheat Sheet

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the Bcrypt Generator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the Bcrypt Generator?+

Bcrypt Generator uses the standard bcrypt formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The Bcrypt Generator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the Bcrypt Generator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

Explore more

Popular tools

🚭
Smoking Cost Calculator
Lifetime cost of cigarettes per day, week, year.
⌨️
Typing Speed Test
Test your WPM and accuracy with a live typing challenge.
📚
Study Planner
Plan study hours across subjects based on topics and days left.
➕
Simple Calculator
Basic arithmetic for two numbers: add, subtract, multiply, divide.

Explore other categories

🧾
SSI Payment Calculator
Estimate your 2026 monthly Supplemental Security Income (SSI) from your income and living situation.
🏦
PPF Calculator
Project your Public Provident Fund maturity with a full year-by-year schedule.
💼
EPF Calculator
Estimate your Employees' Provident Fund corpus at retirement.
🧓
NPS Calculator
Project your National Pension System corpus, lump sum and monthly pension.
Related searches: sha-256 hash generator, hmac generator, md5 hash generator

Smart Autopilot

AI-style routing · 100% on-device

Based on this tool, your recent activity and how others chain tools together.

Likely next step

🛡️Password Strength CheckerTop match🧮Password Entropy CalculatorCompute the exact Shannon entropy in bits for any password.🔑Secure Passphrase GeneratorGenerate XKCD-style diceware passphrases with adjustable word count and separators.🪪JWT DecoderDecode and inspect any JSON Web Token header, payload and signature.🔍JWT InspectorInspect JWT claims, expiry, issuer and signing algorithm with validation hints.#️⃣MD5 Hash GeneratorGenerate the MD5 hash of any text or file — instant, in-browser.

Smart recommendations

Next best tool

🔐
SHA-256 Hash Generator
Generate SHA-256 cryptographic hashes for any text via WebCrypto.

Also worth a look

½
Fraction Calculator
Add, subtract, multiply and divide fractions with auto-simplification.
📋
SGPA Calculator
Semester Grade Point Average for a single term.
🔌
Power Converter
Watts, kilowatts, horsepower and BTU/hour conversions.
💓
Target Heart Rate Calculator
Karvonen formula target HR zone for cardio.

Share & publish

Share & challenge

Twitter Facebook LinkedIn WhatsApp
Share-to-grow kit (Reddit, LinkedIn, Medium)
Reddit post
Title: I built/used this free bcrypt generator — instant, no signup

Body: Generate bcrypt-style stretched password hashes using PBKDF2-SHA-256. Try it: https://freetoolsgalaxy.com/tools/bcrypt-generator
LinkedIn post
Bcrypt Generator on Free Tools Galaxy — Generate bcrypt-style stretched password hashes using PBKDF2-SHA-256. https://freetoolsgalaxy.com/tools/bcrypt-generator
Medium intro
# Bcrypt Generator — the free tool I keep coming back to

Generate bcrypt-style stretched password hashes using PBKDF2-SHA-256.

Try it: https://freetoolsgalaxy.com/tools/bcrypt-generator
Quora answer
The fastest way is to use a free in-browser bcrypt generator: https://freetoolsgalaxy.com/tools/bcrypt-generator. Generate bcrypt-style stretched password hashes using PBKDF2-SHA-256.

Embed this tool anywhere

Free embed code for blogs, docs and dashboards. Every embed sends a backlink home — helping you and the galaxy grow together.

HTML iframe
Drop into any site — auto-resizes to its content height, theme-aware.
<iframe src="https://freetoolsgalaxy.com/tools/bcrypt-generator?embed=1" title="Bcrypt Generator" loading="lazy"
  style="width:100%;height:600px;border:0;border-radius:16px;background:#0b1020"
  allow="clipboard-write"></iframe>
<script>window.addEventListener("message",function(e){if(e.data&&e.data.type==="ftg-embed-height"){document.querySelectorAll("iframe").forEach(function(f){if(f.contentWindow===e.source){f.style.height=e.data.height+"px";}});}});</script>
<p><a href="https://freetoolsgalaxy.com/tools/bcrypt-generator" target="_blank" rel="noopener">Powered by Bcrypt Generator on Free Tools Galaxy</a></p>
Responsive wrapper
Aspect-locked container — good for blog post bodies.
<div style="position:relative;padding-bottom:75%;height:0;overflow:hidden;border-radius:16px">
  <iframe src="https://freetoolsgalaxy.com/tools/bcrypt-generator?embed=1" title="Bcrypt Generator" loading="lazy"
    style="position:absolute;inset:0;width:100%;height:100%;border:0" allow="clipboard-write"></iframe>
</div>
WordPress / Markdown
Paste in a custom-HTML block or markdown file.
[Bcrypt Generator — free online tool](https://freetoolsgalaxy.com/tools/bcrypt-generator)

<iframe src="https://freetoolsgalaxy.com/tools/bcrypt-generator?embed=1" width="100%" height="600" frameborder="0"></iframe>
Text link-back
Minimal credit link — best for sidebars and footers.
<a href="https://freetoolsgalaxy.com/tools/bcrypt-generator" target="_blank" rel="noopener">Try the free Bcrypt Generator</a>

Share-to-Grow Kit

Pre-written, ready-to-paste posts for every major channel. Help others discover this tool — and earn backlinks.

Title
I built a free pregnancy due date calculator that works instantly in the browser — no signup, no ads in your face
Body
Hey r/[subreddit],

I kept needing a quick pregnancy due date calculator and most options online were slow or behind paywalls, so I built one that:

• Runs 100% in your browser (your data never leaves your device)
• No signup, no email wall, no popups
• Loads in under a second on mobile

It covers the standard pregnancy due date use cases (pregnancy, due, date, baby) and links out to the formula + worked examples if you want to learn the math.

Link: https://freetoolsgalaxy.com/tools/pregnancy-due-date-calculator

Happy to take feedback — what's missing?
Post to a relevant subreddit (e.g. r/InternetIsBeautiful, r/webdev, r/productivity). Avoid spammy subs.
Developer & SEO tools