NAB TOOLS DIRECTORY
All online tools
Find practical utilities for text, code, conversions, calculations, networking, and game development.
112 tools
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Password Generator
Generate strong, random passwords with customizable options.
Open tool →GeneratorsUUID Generator
Generate UUID v4 (random) identifiers instantly.
Open tool →GeneratorsQR Code Generator
Create QR codes for URLs, text, WiFi, contacts, and more.
Open tool →ConvertersHash Generator
Compute MD5, SHA-1, SHA-256, SHA-512 hashes of text or files.
Open tool →ConvertersBase64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text.
Open tool →TextJSON Formatter & Minifier
Format, validate, minify, and pretty-print JSON.
Open tool →ConvertersEncoding Inspector
Inspect text for likely Base64, hex, URL, HTML, Unicode, JWT, and binary formats.
Open tool →ConvertersHex / Base16 Encoder & Decoder
Convert UTF-8 text to hexadecimal bytes and decode hex back to text.
Open tool →ConvertersUnicode Escape Encoder & Decoder
Convert Unicode text to JavaScript-style escapes and decode escaped text.
Open tool →ConvertersHTML Entity Encoder & Decoder
Encode HTML-sensitive characters and decode common HTML entities.
Open tool →TextWord & Character Counter
Count text exactly or estimate words from a character limit.
Open tool →ConvertersColor Picker & Converter
Pick colors, convert between HEX, RGB, HSL, HSV, CMYK formats.
Open tool →NetworkDNS Lookup
Check A, AAAA, CNAME, MX, TXT, NS, and SOA records via DNS-over-HTTPS.
Open tool →NetworkWhat Is My IP
See your public IP address, location, ISP, and connection details.
Open tool →NetworkIPv4 Subnet Calculator
Calculate CIDR networks, masks, address ranges, and usable hosts.
Open tool →CalculatorsPercentage Calculator
Calculate percentages, percentage change, and percentage points.
Open tool →CalculatorsAge Calculator
Calculate exact age in years, months, days, and total days lived.
Open tool →CalculatorsTip Calculator
Split bills and calculate tips per person in seconds.
Open tool →ConvertersTimestamp Converter
Convert Unix timestamps to human-readable dates and back.
Open tool →ConvertersURL Encoder/Decoder
Percent-encode or decode URLs and query strings safely.
Open tool →TextText Case Converter
Convert text between upper, lower, title, sentence, camel, snake & kebab case.
Open tool →ConvertersNumber Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Open tool →GeneratorsRandom Number Generator
Generate random numbers in any range — with count, uniqueness, and sort options.
Open tool →SecurityPassword Strength Tester
Test any password against real-world rules — length, entropy, and crack time.
Open tool →ToolsStopwatch
A precise online stopwatch with laps and split times.
Open tool →ToolsCountdown Timer
A full-screen countdown timer with presets and sound alert.
Open tool →TextLorem Ipsum Generator
Generate lorem ipsum placeholder text — by words, sentences, or paragraphs.
Open tool →CalculatorsDate Difference Calculator
Calculate days, weeks, and years between two dates — plus date arithmetic.
Open tool →ConvertersTemperature Converter
Convert between Celsius, Fahrenheit, and Kelvin instantly.
Open tool →ConvertersCaesar Cipher Encoder & Decoder
Encode or decode text with a classic Caesar shift cipher.
Open tool →ConvertersMorse Code Translator
Translate text to Morse code and decode Morse back to text.
Open tool →TextAlphabetizer
Sort text lines or words alphabetically — with reverse, case, and dedupe options.
Open tool →CalculatorsBMI Calculator
Calculate your Body Mass Index and healthy weight range.
Open tool →TextWord Scramble Solver
Unscramble letters into words — with a built-in dictionary and scrambler.
Open tool →TextWordle Solver
Filter possible Wordle answers using green, yellow, and grey feedback.
Open tool →TextRegex Tester
Test and debug regular expressions against your text — with live matches.
Open tool →GeneratorsQR Code Decoder
Read QR code images locally and inspect their encoded text or links.
Open tool →SecurityFile Hash Checker
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes of any file.
Open tool →GeneratorsWi-Fi QR Code Generator
Create a scannable Wi-Fi join code without exposing your credentials.
Open tool →ConvertersTime Zone Converter
Convert a date and time between cities and time zones.
Open tool →ConvertersMarkdown to HTML Converter
Convert Markdown into clean HTML with a live preview.
Open tool →TextText to Markdown Converter
Convert plain text into clean Markdown — headings, lists, and links detected automatically.
Open tool →ConvertersCSV to JSON Converter
Convert CSV spreadsheets to JSON or JSON arrays back to CSV.
Open tool →ConvertersHTML Formatter & Minifier
Beautify HTML for reading or minify it for smaller page output.
Open tool →TextSEO Meta & SERP Preview
Inspect page metadata and preview a search result locally.
Open tool →ConvertersJSON-LD Inspector
Extract and validate JSON-LD structured data from HTML.
Open tool →DeveloperCron Expression Generator
Build cron schedules and understand them in plain English.
Open tool →GeneratorsSpin the Wheel
Pick a random choice from a list with a shareable spinning wheel.
Open tool →ConvertersUnit Converter
Convert length, weight, volume, area, data, and temperature units.
Open tool →CalculatorsMortgage Calculator
Estimate monthly mortgage payments, total cost, and interest.
Open tool →ToolsImage Resizer & Compressor
Resize and recompress images locally as JPEG, PNG, or WebP.
Open tool →SecurityJWT Decoder & Builder
Decode JWT headers and payloads or build an unsigned token for testing.
Open tool →SecurityHTTP Security Headers Analyzer
Check pasted HTTP response headers for common web security protections.
Open tool →TextText Diff & Compare
Compare two texts, code files, or configuration snippets side by side.
Open tool →ConvertersYAML ↔ JSON Converter
Convert YAML to JSON and JSON back to YAML privately in your browser.
Open tool →ConvertersSQL Formatter
Beautify or minify SQL queries for easier reading and sharing.
Open tool →ConvertersXML Formatter & Minifier
Format XML for readability or remove whitespace for compact output.
Open tool →ToolsColor Contrast Checker
Check foreground and background colours against WCAG AA and AAA.
Open tool →NetworkURL Parser & Query Builder
Inspect URL parts and decode query parameters at a glance.
Open tool →ToolsImage Metadata Viewer
Inspect basic image metadata locally without uploading the file.
Open tool →ConvertersSVG Optimizer
Remove comments and unnecessary whitespace from SVG markup.
Open tool →CalculatorsUnix Permissions Calculator
Convert chmod octal values into readable owner, group, and public permissions.
Open tool →ConvertersCSS Formatter & Minifier
Beautify CSS for editing or compact it for deployment.
Open tool →GeneratorsDice Roller
Roll d4, d6, d8, d10, d12, d20, d100 with modifiers and multiple dice.
Open tool →GeneratorsFantasy Name Generator
Generate fantasy names — elf, dwarf, orc, dark, and epic styles.
Open tool →GeneratorsRandom Number Generator
Generate random numbers in any range — with count, uniqueness, and sort options.
Open tool →GameLevel & Cost Curve Calculator
Design XP and upgrade cost curves — linear, exponential, power — with JSON/PHP/CSV export.
Open tool →GameDice Probability Calculator
Calculate the exact odds of rolling any sum on NdY dice.
Open tool →GameLoot Table Generator
Build weighted loot tables and roll from them — with rarity weights.
Open tool →GameEconomy Balancer
Track currency faucets and sinks, spot inflation, and balance your game economy.
Open tool →CombatDamage Formula Calculator
Tune base damage, attack scaling, armor, mitigation, and crits — see normal, crit, and expected hits live.
Open tool →CombatTTK & DPS Calculator
Compare weapons by time-to-kill, DPS, shots to kill, and sustained DPS with reloads.
Open tool →AudioBPM to ms Converter
Convert beats per minute to milliseconds for every note subdivision.
Open tool →AudioNote Frequency Calculator
Convert MIDI notes to frequency (Hz) and back, with cents offset.
Open tool →ArtFrames ↔ Time Converter
Convert frames and seconds at a chosen whole-number frame rate, with non-drop timecode.
Open tool →ArtAspect Ratio Calculator
Convert between width, height, and aspect ratio — with common presets.
Open tool →ArtPalette Generator
Generate harmonious color palettes — mono, analogous, complementary, triadic.
Open tool →ArtSprite Sheet Splitter
Slice a sprite sheet into individual PNG frames — columns × rows, fully in-browser.
Open tool →ArtEasing Visualizer
Plot and compare easing curves — linear, quad, cubic, back, elastic, bounce.
Open tool →EngineLayer Mask Calculator
Convert Unity layer selections to integer, hex, binary, and ready-to-paste C#.
Open tool →EngineTick Rate Calculator
Convert server tick rate to ms per tick, ticks per frame, and CPU budget.
Open tool →EngineMap Traversal Calculator
How long does it take to cross your map on foot or mounted?
Open tool →EngineHex Grid Calculator
Convert between cube, axial, and offset hex coordinates — with distance math.
Open tool →EngineJump Physics Calculator
Convert jump velocity ↔ apex height under any gravity, with variable fall gravity.
Open tool →CombatProjectile Motion Calculator
Range, max height, and time of flight for arcing projectiles — with trajectory preview.
Open tool →EngineIsometric Converter
Convert isometric tile coordinates to screen pixels and back using the standard 2:1 diamond projection.
Open tool →GameDrop Rate Calculator
Real odds behind drop rates: ≥1 drop in N attempts, expected drops, median attempts.
Open tool →EngineTexture Memory Calculator
VRAM usage from dimensions, format, and count — with mipmap totals.
Open tool →EngineServer Bandwidth Calculator
Egress in Mbps, per-player rates, and daily GB from tick rate and snapshot sizes.
Open tool →EngineFOV & Camera Calculator
Viewport size and horizontal FOV from vertical FOV, aspect, and distance.
Open tool →GameAdvantage Calculator
Success odds for advantage and disadvantage rolls on any die against any target number.
Open tool →EngineAngle Converter
Convert between degrees, radians, gradians, and turns — with nearest direction.
Open tool →EngineDirection Vector Calculator
Convert angle ↔ 2D direction vector — Unity/Godot and math conventions.
Open tool →GameRNG Fairness Tester
Chi-square bucket test on crypto or Math.random sources — is your RNG fair?
Open tool →GameEnemy Scaling Calculator
Preview enemy HP and damage curves — linear, multiplicative, exponential.
Open tool →EngineGrid Distance Calculator
Tile distance for square, hex, and isometric grids — Manhattan, Chebyshev, and more.
Open tool →EngineDialogue Timing Calculator
How long does a line of text take to display? Reading speed + sentence pauses.
Open tool →ArtColorblind Checker
Simulate protanopia, deuteranopia, and tritanopia on your palette — flag confusable pairs.
Open tool →CalculatorsPercentage Calculator
Calculate percentages: X% of Y, X is what % of Y, and percentage change.
Open tool →GeneratorsEquipment & Affix Generator
Generate prototype item names, rarities, and affix combinations for loot systems.
Open tool →GeneratorsQuest & Reward Generator
Draft quest objectives and level-scaled rewards for game prototypes.
Open tool →CombatEncounter Difficulty Calculator
Estimate encounter threat from party size, levels, enemy count, and enemy level.
Open tool →EngineTilemap & World Size Calculator
Convert tile dimensions into pixel canvas size, tile counts, and a simple index-memory estimate.
Open tool →GameDialogue Branching Planner
Estimate endings and conversation nodes before a branching dialogue tree explodes in scope.
Open tool →EnginePathfinding & Navigation Calculator
Estimate grid search workload, walkable cells, and memory for navigation prototypes.
Open tool →GameBehaviour Tree Planner
Sketch AI selectors, sequences, actions, and conditions, then export the node list as JSON.
Open tool →EngineProcedural Terrain Generator
Explore seeded noise, scale, and octave settings with a live terrain heightmap preview.
Open tool →EngineMultiplayer Network Feel Calculator
See how latency, tick rate, render rate, and interpolation affect perceived motion.
Open tool →ArtAnimation Budget Calculator
Estimate bone evaluations, pose work, and animation pressure across characters and update rates.
Open tool →EngineSave Data & Schema Planner
Draft versioned save fields, types, required values, and migration notes as JSON.
Open tool →GameLocalization Readiness Checker
Check placeholders, missing tokens, and translation expansion before text reaches the build.
Open tool →EngineLOD & Visibility Budget Calculator
Estimate visible entities, triangle load, and LOD mix for mobile and desktop scenes.
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