Simplify Your Workflow: Search MiniWebtool.
Add Extension
Home Page > Miscellaneous > Lookup Tools > Facebook User ID Lookup

Facebook User ID Lookup

Free online tool to find any Facebook user, page, or group numeric ID from a profile URL or username. Essential for developers, marketers, and social media managers.

Facebook User ID Lookup

Try these examples:

Accepted formats: Username only (zuck), Full URL (facebook.com/username), Mobile URL (m.facebook.com/username), or Short URL (fb.com/username). Works with profiles, pages, and groups.

Embed Facebook User ID Lookup Widget

Video Guide: Facebook User ID Lookup

About Facebook User ID Lookup

The Facebook User ID Lookup tool helps you find the unique numeric ID associated with any public Facebook profile, page, or group. While Facebook displays usernames and custom URLs, every account has a permanent numeric identifier (like 4 for Mark Zuckerberg). This ID is essential for developers, marketers, and anyone who needs to work with the Facebook API or integrate Facebook features into their applications.

How to Find Your Facebook ID

1
Get the Facebook URL or username

Navigate to the Facebook profile, page, or group you want to look up. Copy the URL from your browser address bar, or note the username shown after facebook.com/.

2
Enter the URL or username

Paste the full URL or type just the username into the input field. The tool accepts multiple formats including full URLs, mobile URLs, and simple usernames.

3
Click the lookup button

Click the Find Facebook ID button to start the lookup process. The tool will connect to Facebook and extract the numeric ID.

4
Copy your Facebook ID

Once found, your Facebook numeric ID will be displayed prominently. Use the copy button to copy it to your clipboard, or use the provided direct link to verify the profile.

What is a Facebook User ID?

A Facebook User ID is a unique numeric identifier assigned to every Facebook profile, page, and group. While users typically interact with Facebook using usernames or custom URLs (like facebook.com/zuck), the underlying system uses these numeric IDs to identify accounts. This ID remains constant even if the username changes, making it a reliable way to reference Facebook accounts programmatically.

For example, Mark Zuckerberg's Facebook ID is 4, as he was among the first users to create a Facebook account. Regular users have much longer IDs, typically consisting of 15-16 digits.

Why Would I Need to Find My Facebook ID?

Facebook IDs are essential for several use cases:

What URL Formats Does This Tool Accept?

This tool accepts multiple formats to make finding Facebook IDs as convenient as possible:

The tool automatically extracts the username or ID from any valid format, so you do not need to manually clean the URL before searching.

Understanding Facebook Profile Types

Personal Profiles

Personal Facebook profiles are individual user accounts. These profiles have privacy settings that may affect whether their ID can be retrieved. Public profiles allow ID lookup, while private profiles with strict settings may not return results.

Facebook Pages

Facebook Pages are public profiles for businesses, brands, celebrities, causes, and organizations. Page IDs are essential for managing the page through the Graph API, setting up Facebook Business Suite, and integrating page features on external websites.

Facebook Groups

Facebook Groups also have unique numeric IDs. Group IDs are useful for group management tools, analytics platforms, and integrations that work with group content.

Common Issues and Troubleshooting

Profile Not Found

If the tool cannot find a profile, check that:

Request Timeout

Timeouts can occur when Facebook servers are slow or experiencing high traffic. Try again in a few moments if you encounter this error.

Rate Limiting

Facebook may temporarily block requests if too many lookups are performed in a short time. Wait a few minutes before trying again if you encounter this issue.

Privacy and Security

This tool is completely safe and respects user privacy:

Technical Details

When you enter a Facebook URL or username, the tool:

  1. Parses and normalizes the input to extract the username or ID
  2. Requests the public Facebook page for that username
  3. Parses the page source to find the numeric ID in the metadata
  4. Returns the ID along with verification links

The numeric ID is embedded in the page source of every public Facebook profile, making it accessible without requiring API authentication.

Frequently Asked Questions

What is a Facebook User ID?

A Facebook User ID is a unique numeric identifier assigned to every Facebook profile, page, and group. While users typically interact with Facebook using usernames or custom URLs, the underlying system uses these numeric IDs (like 4 for Mark Zuckerberg) to identify accounts. This ID remains constant even if the username changes.

Why would I need to find my Facebook ID?

Facebook IDs are essential for several use cases: integrating Facebook features into websites using the Graph API, setting up Facebook Pixel and custom audiences for advertising, configuring Facebook social plugins, migrating or backing up Facebook data, troubleshooting account issues with Facebook support, and creating direct profile links that work even if usernames change.

Can I find the ID of any Facebook profile?

You can find the ID of any public Facebook profile, page, or group. Private profiles with strict privacy settings may not return an ID through this tool. The profile must be accessible without logging in for the lookup to work.

What URL formats does this tool accept?

This tool accepts multiple formats: simple usernames (e.g., zuck), full URLs (https://www.facebook.com/username), mobile URLs (m.facebook.com/username), short URLs (fb.com/username), profile.php URLs with ID parameter, and page/group URLs. The tool automatically extracts the username from any valid format.

Is this tool safe and does it store my data?

Yes, this tool is completely safe. It only reads publicly available information from Facebook profiles. We do not store any search queries, results, or personal information. Each lookup is processed in real-time and no data is retained after you close the page.

Additional Resources

Learn more about Facebook IDs and the Facebook API:

Reference this content, page, or tool as:

"Facebook User ID Lookup" at https://MiniWebtool.com/facebook-user-id-lookup/ from MiniWebtool, https://MiniWebtool.com/

by miniwebtool team. Updated: Jan 07, 2026

Related MiniWebtools:

Lookup Tools:

Top & Updated:

Random PickerRandom Name PickerBatting Average CalculatorLine CounterRelative Standard Deviation CalculatorFPS ConverterSort NumbersERA CalculatorMAC Address GeneratorRemove SpacesInstagram User ID LookupWord to Phone Number ConverterFacebook User ID LookupMAC Address LookupSum CalculatorFeet and Inches to Cm ConverterOPS CalculatorRandom Quote GeneratorSHA256 Hash GeneratorRandom Truth or Dare GeneratorPercent Off CalculatorBitwise CalculatorSquare Root (√) CalculatorVertical Jump CalculatorRoman Numerals ConverterDoubling Time CalculatorSalary Conversion CalculatorLog Base 10 CalculatorSlope and Grade CalculatorNumber of Digits CalculatorMP3 LooperAudio SplitterOn Base Percentage CalculatorSlugging Percentage CalculatorPhone Number ExtractorSaturn Return CalculatorCaffeine Overdose CalculatorMerge VideosSun, Moon & Rising Sign Calculator 🌞🌙✨One Rep Max (1RM) CalculatorClothing Size ConverterRandom IMEI GeneratorCompare Two StringsNumber to Word ConverterAI Text HumanizerFirst n Digits of PiDecimal to BCD ConverterCompound Growth CalculatorCm to Feet and Inches ConverterJob FinderBinary to Gray Code ConverterRandom Poker Hand GeneratorRandom Birthday GeneratorWHIP CalculatorOctal CalculatorRandom Fake Address GeneratorRandom Superpower GeneratorGrade CalculatorAdd Prefix and Suffix to TextRandom Activity GeneratorImage ResizerBCD to Decimal ConverterFile Size ConverterRandom Movie PickerWAR CalculatorYouTube Channel StatisticsVideo to Image ExtractorTime Duration CalculatorPercent Growth Rate CalculatorText FormatterRemove AccentRandom Writing Prompt GeneratorOutlier CalculatorQuotient and Remainder CalculatorStair CalculatorInvisible Text GeneratorLove Compatibility CalculatorCM to Inches ConverterDay of Year CalendarAdd Text to ImageRandom Object GeneratorArc Length CalculatorList of Prime NumbersGray Code to Binary ConverterAI Punctuation AdderRandom Chess Opening GeneratorRemove Leading Trailing SpacesConnect the Dots GeneratorLeap Years ListVideo CropperRandom Loadout GeneratorRandom Number PickerImage SplitterModulo CalculatorImage CompressorList RandomizerNumber ExtractorSHA512 Hash GeneratorTaco Bar CalculatorEmail ExtractorURL ExtractorAI ParaphraserDay of the Year Calculator - What Day of the Year Is It Today?Video CompressorBinary to BCD ConverterIP Address to Hex ConverterSort Lines AlphabeticallyHex to BCD ConverterBCD to Binary ConverterLottery Number GeneratorBCD to Hex ConverterMedian CalculatorStandard Error CalculatorBreak Line by CharactersAverage CalculatorPVIFA CalculatorReverse VideoHypotenuse CalculatorRemove Audio from VideoActual Cash Value CalculatorScientific Notation to Decimal ConverterAngel Number CalculatorLog Base 2 CalculatorRoot Mean Square CalculatorSum of Positive Integers CalculatorSHA3-256 Hash GeneratorAI Sentence Expander📅 Date CalculatorLbs to Kg ConverterHex to Decimal ConverterRandom Group GeneratorConvolution CalculatorMAC Address AnalyzerRandom String GeneratorAmortization CalculatorMarkup CalculatorPVIF CalculatorName Number CalculatorDecimal to Hex ConverterInstagram Font GeneratorSocial Media Image Size GuideTikTok Money CalculatorTwitter/X Character CounterTwitter/X Timestamp ConverterYouTube Watch Time CalculatorTwitch Earnings CalculatorYouTube Shorts Monetization CalculatorFacebook Ad Cost CalculatorSocial Media ROI CalculatorSocial Media Post Time OptimizerSocial Media Username CheckerCTR CalculatorROAS CalculatorInfluencer ROI CalculatorForce CalculatorAcceleration CalculatorVelocity CalculatorMomentum CalculatorProjectile Motion CalculatorKinetic Energy CalculatorPotential Energy CalculatorWork and Power CalculatorDensity CalculatorPressure CalculatorIdeal Gas Law CalculatorFree Fall CalculatorTorque CalculatorHorsepower CalculatorDilution CalculatorChemical Equation BalancerStoichiometry CalculatorPercent Yield CalculatorEmpirical Formula CalculatorBoiling Point CalculatorTitration CalculatorMole/Gram/Particle ConverterIrregular Polygon Area CalculatorFrustum CalculatorTorus Calculator3D Distance CalculatorGreat Circle Distance CalculatorCircumscribed Circle (Circumcircle) CalculatorInscribed Circle (Incircle) CalculatorAngle Bisector CalculatorTangent Line to Circle CalculatorHeron's Formula CalculatorCoordinate Geometry Distance CalculatorVolume of Revolution CalculatorSurface of Revolution CalculatorParametric Curve GrapherRiemann Sum CalculatorTrapezoidal Rule CalculatorSimpson's Rule CalculatorImproper Integral CalculatorL'Hôpital's Rule CalculatorMaclaurin Series CalculatorPower Series CalculatorSeries Convergence Test CalculatorInfinite Series Sum CalculatorAverage Rate of Change CalculatorInstantaneous Rate of Change CalculatorRelated Rates SolverOptimization Calculator (Calculus)Gradient Calculator (Multivariable)Divergence CalculatorCurl CalculatorLine Integral CalculatorSurface Integral CalculatorJacobian Matrix CalculatorNewton's Method CalculatorRREF Calculator (Row Echelon Form)Matrix Inverse CalculatorMatrix Multiplication CalculatorDot Product CalculatorCross Product CalculatorVector Magnitude CalculatorUnit Vector CalculatorAngle Between Vectors CalculatorNull Space CalculatorColumn Space CalculatorCramer's Rule CalculatorMatrix Diagonalization CalculatorQR Decomposition CalculatorCholesky Decomposition CalculatorMatrix Power CalculatorCharacteristic Polynomial CalculatorBayes' Theorem CalculatorF-Test / F-Distribution CalculatorHypergeometric Distribution CalculatorNegative Binomial Distribution CalculatorGeometric Distribution CalculatorExponential Distribution CalculatorWeibull Distribution CalculatorBeta Distribution CalculatorSpearman Rank Correlation CalculatorFisher's Exact Test CalculatorContingency Table CalculatorOdds Ratio CalculatorRelative Risk CalculatorEffect Size CalculatorPermutations with Repetition CalculatorModular Exponentiation CalculatorPrimitive Root CalculatorPerfect Number CheckerAmicable Number CheckerTwin Prime FinderMersenne Prime CheckerGoldbach Conjecture VerifierMöbius Function CalculatorEgyptian Fraction CalculatorFibonacci Number CheckerDigital Root CalculatorPartition Function CalculatorBoolean Algebra SimplifierKarnaugh Map (K-Map) SolverLogic Gate SimulatorGraph Coloring CalculatorTopological Sort CalculatorAdjacency Matrix CalculatorRecurrence Relation SolverInclusion-Exclusion CalculatorLinear Programming SolverTraveling Salesman Solver (TSP)Hamiltonian Path CheckerPlanar Graph CheckerNetwork Flow Calculator (Max Flow)Stable Marriage Problem SolverFirst-Order ODE SolverSecond-Order ODE SolverDirection Field / Slope Field PlotterEuler's Method CalculatorBernoulli ODE SolverSystem of ODEs SolverGroup Theory Order CalculatorRing and Field CalculatorJordan Normal Form CalculatorMatrix Exponential CalculatorTensor Product CalculatorFast Fourier Transform (FFT) CalculatorZ-Transform CalculatorNumerical Integration CalculatorTOML to JSON ConverterJSON to CSV ConverterXML to JSON ConverterSQL to MongoDB Query ConverterCSS Flexbox PlaygroundCSS Grid GeneratorJWT GeneratorBcrypt Hash Generator / CheckerColor Code Converter (All Formats)Git Command Generator.env File GeneratorLorem Picsum / Placeholder Image GeneratorText to Binary/Hex/ASCII ConverterSyllable CounterSentence CounterParagraph CounterSpeaking Time CalculatorReading Time CalculatorWhitespace VisualizerStrikethrough Text GeneratorTorque Converter (Nm, ft-lb, kgf-cm)Data Transfer Rate ConverterFuel Efficiency ConverterAstronomical Unit ConverterRing Size ConverterPaper Size ReferenceGas Mileage CalculatorEV Range CalculatorEV Charging Time Calculator0–60 / Quarter Mile CalculatorCar Lease CalculatorVehicle Towing Capacity CalculatorExposure Triangle CalculatorCrop Factor CalculatorMegapixel to Print Size CalculatorPhoto File Size EstimatorMusic BPM TapperMusic Key TransposerVideo Bitrate CalculatorSeed Germination Rate CalculatorFertilizer Calculator (NPK)Raised Bed Soil CalculatorFrost Date CalculatorLawn Fertilizer CalculatorCompost Calculator (C:N Ratio)Solar Panel CalculatorSolar ROI CalculatorHome Energy Audit CalculatorAppliance Energy Cost CalculatorWater Usage CalculatorElectricity Generation Cost CalculatorHeat Loss CalculatorFlight Distance CalculatorTravel Budget CalculatorJet Lag CalculatorPacking List GeneratorTip Splitter (Advanced)Lease vs Buy CalculatorHourly Rate Calculator (Freelancer)Invoice Late Fee CalculatorESPP CalculatorStock Split CalculatorOptions Probability CalculatorDollar to Gold ConverterBeam Load CalculatorPipe Flow CalculatorBolt Torque CalculatorSteel Weight CalculatorGravel, Sand & Topsoil CalculatorRandom Sentence GeneratorRandom Paragraph GeneratorRandom Math Problem GeneratorRandom Bible Verse GeneratorRandom Cat/Dog Name GeneratorRandom Debate Topic Generator