2FA TOTP site map
All public tool pages are listed here so users and search engines can find the local authenticator generator, focused 2FA and MFA pages, URL secret help, Base32 guidance, and TOTP parameter references.
TOTP, 2FA, MFA, OTP, Base32, and otpauth pages
Local 2FA TOTP generatorGenerate one or more authenticator codes locally from a Base32 secret or otpauth URI.About the Local 2FA TOTP ToolLearn what this local 2FA TOTP generator does, which authenticator setup keys it supports, and where its security boundaries are.2FA TOTP Privacy and SecurityLearn how this 2FA TOTP tool handles setup keys, URL shortcuts, local code generation, advertising scripts, and third-party services.What Is TOTP?Learn what TOTP means, how time-based one-time passwords work, how they relate to 2FA and MFA, and how Base32 setup keys and otpauth URIs are used.2FA vs MFA GuideLearn the difference between 2FA and MFA, how TOTP authenticator codes fit into both, and when a local 2FA/MFA code generator applies.Time-Based vs Counter-Based Authenticator GuideTime-based keys use TOTP and a clock; counter-based keys use HOTP and a synchronized counter. Compare setup URIs, code changes, and common failures.2FA Setup Key GuideLearn how to use a 2FA setup key, manual authenticator key, Base32 secret, or otpauth link to generate local TOTP codes.2FA Code Not Working GuideTroubleshoot invalid 2FA, MFA, TOTP, and authenticator codes by checking time sync, setup keys, account labels, algorithm, digits, and period settings.Authenticator App CompatibilityCompare TOTP setup compatibility for Google Authenticator, Microsoft Authenticator, 1Password, Bitwarden, 2FAS, FreeOTP, and Authy-style keys.TOTP Test VectorsCheck authenticator codes with RFC 6238 TOTP test vectors and a public demo key across SHA-1, SHA-256, SHA-512, digits, periods, and otpauth settings.How to Back Up 2FA CodesLearn how to back up access to 2FA safely with recovery codes, authenticator transfer, or a protected TOTP setup secret, and what cannot be recovered.2FA Secret URL ShortcutsLearn how to open the local TOTP generator with a 2FA setup secret in a URL fragment, path, or query parameter, and why #secret= is the safer shortcut format.llms.txtPlain-text site summary for AI search and answer systems, with primary 2FA, MFA, TOTP, OTP, Base32, and otpauth pages.TOTP GeneratorGenerate the current 6- or 8-digit TOTP code from a Base32 secret or otpauth URI. Runs locally in your browser with no signup or secret upload.TOTP Code GeneratorGenerate current TOTP codes locally from Base32 setup keys or otpauth URIs, with a browser countdown, one-click copy, and advanced TOTP options.Authenticator App Code GeneratorGenerate authenticator app TOTP codes locally from a manual setup key or otpauth URI. Supports standard 2FA and MFA secrets without account access.ChatGPT Authenticator App & MFA GuideLearn how to enable an authenticator app in official ChatGPT Security settings and when this independent local TOTP code tool can help.Time-Based One-Time Password GeneratorGenerate time-based one-time passwords locally from TOTP setup keys. Paste a Base32 secret or otpauth URI to create current 2FA and MFA authenticator codes.2FA Code GeneratorFree local 2FA code generator for authenticator setup keys. Generate six or eight digit TOTP verification codes from Base32 secrets or otpauth links.Google Authenticator Code GeneratorGenerate Google Authenticator compatible TOTP codes locally from a Base32 setup key or otpauth URI. Supports 6 or 8 digits, countdown, and one-click copy.Authenticator Code GeneratorGenerate authenticator codes locally from a Base32 setup key or otpauth URI. Supports TOTP codes for 2FA, MFA, multiple generators, and one-click copy.Google Authenticator OnlineGenerate Google Authenticator compatible codes online from a Base32 setup key or otpauth URI. Local TOTP calculation, multiple generators, one-click copy.Microsoft Authenticator Code GeneratorGenerate Microsoft Authenticator compatible TOTP codes locally from a Base32 setup key or otpauth URI. Supports countdown, 6 or 8 digits, and one-click copy.Two-Factor Authentication Code GeneratorGenerate two-factor authentication codes locally from TOTP setup keys. Paste a Base32 secret or otpauth link for browser-based 2FA verification codes.MFA Code GeneratorGenerate local MFA authenticator codes from TOTP setup keys, with multiple account generators, Base32 secrets, otpauth links, and one-click copy.otpauth TOTP GeneratorPaste an otpauth:// TOTP URI or Base32 secret to generate local 2FA/MFA codes. Automatically reads issuer, algorithm, digits, and period when present.Authenticator Setup Key GeneratorGenerate local TOTP codes from an authenticator setup key. Paste a manual 2FA key, otpauth URI, or QR image to read the secret and copy the code.Base32 Secret TOTP GeneratorGenerate TOTP codes locally from a Base32 secret. Accepts A-Z and 2-7 with optional spaces, hyphens, and padding while preserving pasted text.2FA QR Code Setup KeyCannot scan a 2FA QR code? Use the manual setup key, paste an otpauth URI, or read a QR image locally to generate the current TOTP code.otpauth QR Code ReaderChoose an existing authenticator QR image to extract its otpauth://totp URI and generate the current code locally. No upload, camera, or signup.TOTP Authenticator QR Code ReaderRead a TOTP authenticator QR code image locally and generate the current 2FA code from its otpauth setup data. No camera or image upload required.Cannot Scan 2FA QR CodeCannot scan a 2FA QR code? Use the manual setup key, paste an otpauth URI, or read a supported QR image locally to generate the current TOTP code.Authenticator Setup Key to CodeConvert an authenticator setup key to the current 2FA TOTP code locally. Paste a Base32 secret or otpauth URI, then copy the six or eight digit code.MFA Token GeneratorGenerate current MFA token codes locally from a Base32 secret, otpauth URI, or QR image. Free TOTP tool with multiple generators and one-click copy.otpauth and TOTP Parameters ToolUnderstand otpauth and TOTP parameters: secret, issuer, SHA algorithms, digits, period, and the app-specific image extension. Test codes locally.8 Digit TOTP GeneratorGenerate 8 digit TOTP authenticator codes locally from a Base32 secret or otpauth URI. Useful for services that require 8-digit 2FA or MFA codes.SHA-256 Authenticator Compatibility & TOTP GeneratorCheck SHA-256 authenticator compatibility and generate TOTP codes locally. Learn how apps handle algorithm=SHA256, digits, period, and otpauth links.SHA-512 TOTP GeneratorGenerate SHA-512 TOTP codes locally from a Base32 secret or otpauth URI. Use this page when a 2FA or MFA setup explicitly requires SHA-512.2FA Secret to CodeConvert a 2FA secret key into the current authenticator code locally. Paste a Base32 setup key or otpauth URI to get a 6 or 8 digit TOTP code.Online One-Time Password GeneratorGenerate time-based one-time passwords in the browser for authenticator-style 2FA and MFA. Supports Base32 secrets, otpauth URIs, and multiple local generators.OTP Code GeneratorGenerate local OTP codes for authenticator-style 2FA and MFA setup keys. This tool creates time-based OTP codes from Base32 secrets or otpauth links.2FA Token GeneratorGenerate current 2FA TOTP tokens locally from a Base32 setup key or otpauth URI. Free browser authenticator with countdown, multiple tokens, and copy.Online TOTP GeneratorOnline TOTP generator that calculates authenticator codes locally in your browser from Base32 secrets or otpauth URIs. Supports 2FA, MFA, countdown, and copy.Free OTP GeneratorFree OTP generator for local TOTP authenticator codes. Generate 2FA and MFA one-time passwords from Base32 setup keys or otpauth URIs in your browser.
XML sitemap
XML sitemap indexThe sitemap index points crawlers to grouped page and tool sitemaps.Guide and utility XML sitemapIndexable home, guide, privacy, about, and HTML sitemap URLs with hreflang alternates.Tool XML sitemapIndexable TOTP, 2FA, MFA, OTP, Base32, otpauth, QR, and setup key tool URLs.Complete XML sitemapThe machine-readable sitemap includes canonical URLs, last-modified dates, and hreflang alternates.