Dev tools · alternatives · 2026
24 alternatives to 2FA.ac
Free 2FA code generator & 14 security tools
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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- 3GS
2021 · tfa.one · its alternatives →
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Rapid 2FA▲91A painless way to add two-factor authentication to your site
2017 · rapid2fa.com · its alternatives →
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Two-factor authentication in your browser itself
2021 · authenticator.cc · its alternatives →
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An indie project for early 2010s internet addicts
2024 · jacobbartlett.substack.com · its alternatives →
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2FA2FA▲2Instant 2FA live authentication & secure TOTP manager. Generate real-time codes without storage or manage 100+ codes in encrypted vault. 100% browser-based, military-grade security.
Dec 2025 · 2fa2fa.com · its alternatives →
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Create professional QR codes instantly - Free, unlimited!
Oct 2025 · thetoolverge.com · its alternatives →
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Generate secure keys, passwords, and tokens instantly
Jul 2026 · freewww.com · its alternatives →
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Hey HN! I've been building random tools whenever I needed them over the past few months, and now I have 177 of them. Started because I was tired of sketchy converter sites with 10 ads, so I just... made my own. Some highlights for the dev crowd: Developer tools: - UUID Generator (v1/v4/v7, bulk generation): https://calcbin.com/tools/uuid-generator - JWT Generator & Decoder: https://calcbin.com/tools/jwt-generator - JSON Formatter/Validator: https://calcbin.com/tools/json-formatter - Cron Expression Generator (with…
Feb 2026 · calcbin.com · its alternatives →
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This is a tool I started working on whenever pypi decided to make 2FA mandatory. I've already been using it to login to pypi for a while, but only finished the remote capabilities recently. It can be installed by simply running: `pip install open2fa` Any secrets that are stored remotely are encrypted, so the person running the api (me) provably cannot use any remotely stored secrets. It's possible to use pushed TOTP secrets from any device with the open2fa CLI installed, as long as the original UUID is known. It's also possible to use any pushed secrets to generate 2FA codes from any device…
2024 · github.com · its alternatives →
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Password, JWT secret and AES key generator, fully offline
Aug 2026 · keygenerator.io · its alternatives →
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Create QR Codes Instantly - ADM Tools
2024 · tools.admeducation.com · its alternatives →
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Free password strong, uncrackable passwords instantly
2025 · its alternatives →
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Free, private password generator — nothing stored, ever
Jul 2026 · makemeapassword.net · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →