The complete A2Z directory
All Tools – Browse Every A2Z Tools Utility
Every tool on A2Z Tools in one place - search by name, pick a letter or jump to a category. All free, no account needed.
- 1,122free tools
- 52categories
- 100%free, no sign-up
Showing all 1,122 tools
Address Tools
4 tools
AI & LLM Developer Tools
20 tools
AI Evaluation Dataset Builder
AI Token Counter
Citation Coverage Checker
Context Window Planner
Embedding Similarity Explorer
Function Calling Schema Builder
Hallucination Claim Extractor
LLM API Cost Calculator
LLM Batch Request Builder
LLM Evaluation Rubric Builder
MCP Capability Inspector
MCP Server Configuration Builder
Multi-Model Response Comparator
OpenAI / Anthropic / Gemini Request Converter
Prompt Template Builder
Prompt Version Diff Checker
RAG Chunking Simulator
Structured Output Schema Builder
System Prompt Linter
Vector Database Storage Calculator
AI Writer
18 tools
AI Email Writer Online
AI Learning Assistant for School Students
AI Paraphraser
Ai School Tutor
Article Writing
Customer Support Email Writer
Email Reply Writer
Feedback Request Email Writer
Follow-up Email Writer
Grammar Checker
Idea Generator
Introduction Email Writer
Invitation Email Writer
Promotional Email Writer
Summarizer
Text Expansion
Text shorten
Title Generator
API, Data & Developer Tools
21 tools
API Pagination Test Data Builder
ASCII Converter
AsyncAPI Validator and Viewer
CSV Data Quality Checker
CSV Join and Merge Planner
CSV Schema Profiler
Data Mapping Transformer
Docker Compose Visualizer
Dockerfile Optimizer
GraphQL Mock Data Generator
GraphQL Query Complexity Estimator
HTTP Request to Code Converter
JSON Schema Inferrer
JSON Schema Sample Generator
JSON Table Explorer
OpenAPI Mock Data Generator
OpenAPI Specification Diff Checker
Protobuf Schema Viewer
SQL Explain Plan Visualizer
SQL Index Advisor
SQL Schema Diff Checker
Area Converter
11 tools
Square Acre to Square
Square Acre to Square Kilometer
Square Feet to Square Inches
Square Feet to Square Meter
Square Hectare to Square Acre
Square Hectare to Square Kilometer
Square Hectare to Square Miles
Square Kilometer to Square Miles
Square Meter to Square Foot
Square Meter to Square Inches
Square Meter to Square Yards
Audio Downloader
19 tools
Acast Podcast Downloader
Apple Podcasts Episode Downloader
AudioBoom Podcast Downloader
Bandcamp Audio Downloader
Clyp Audio Downloader
Direct Audio File Downloader
HearThis Audio Downloader
Internet Archive Audio Downloader
LibriVox Audiobook Downloader
M4A Audio Downloader
Mixcloud Audio Downloader
MP3 File Downloader
Podcast RSS Audio Downloader
PRX Podcast Downloader
Simplecast Podcast Downloader
Spreaker Podcast Downloader
Vocaroo Audio Downloader
WAV, FLAC and OGG Audio Downloader
Wikimedia Commons Audio Downloader
Backlinks Tools
4 tools
Bank Code & Payment Tools
15 tools
Australia BSB Code Finder
Bank Account Masker
Canada Bank Transit Number Validator
Card BIN/IIN Lookup
Credit Card Luhn Validator
IBAN Format Guide
IBAN Validator
India IFSC Code Finder
India MICR Code Finder
International Bank Holiday Finder
SEPA Creditor Reference Generator
SWIFT/BIC Code Finder
UK Sort Code Finder
UPI ID Format Validator
US Routing Number Validator
Basic Calculator
11 tools
Business & Operations Tools
22 tools
A/B Test Sample Size Calculator
A/B Test Significance Calculator
Churn Revenue Impact Calculator
Cohort Retention Analyzer
Dimensional Weight Calculator
Economic Order Quantity Calculator
Funnel Conversion Analyzer
ICE Scoring Calculator
Inventory Reorder Point Calculator
Meeting Cost Calculator
Money Counter (Cash Denomination Calculator)
NPS and CSAT Dashboard Builder
Operational Incident Cost Calculator
PERT Project Estimator
RICE Prioritization Calculator
SaaS MRR and ARR Calculator
SaaS Unit Economics Calculator
Safety Stock Calculator
Sales Commission Plan Calculator
SLA Uptime Calculator
Staffing Capacity Planner
Survey Response Analyzer
Career, Resume & HR Tools
16 tools
Cover Letter Builder
Employee Cost Calculator
Freelance Hourly Rate Calculator
Interview Question Practice Generator
Leave Accrual Calculator
Notice Period Date Calculator
Resume ATS Score Checker
Resume Job Description Matcher
Resume Keyword Optimizer
Salary Hike Calculator
Salary Offer Comparator
Shift Schedule Planner
Skills Gap Matrix Builder
STAR Interview Answer Builder
Timesheet Hours Calculator
Total Compensation Calculator
Date & Time
7 tools
Developer Tools
35 tools
Chmod Calculator
Cron Expression Generator
Cron Expression Parser
CSS Formatter and Beautifier
CSS Z-Index Generator
CSV Cleaner
CSV Duplicate Row Remover
CSV to JSON Converter
CSV to SQL Converter
CSV to TSV Converter
CSV Viewer and Editor
HTML Formatter and Beautifier
JavaScript Formatter and Beautifier
JSON Diff Checker
JSON Escape and Unescape
JSON Schema Validator
JSON to CSV Converter
JSON to YAML Converter
JSONPath Tester
JWT Decoder
Markdown Editor and Preview
Markdown Table Generator
Query String Builder
Regular Expression Tester
SQL Formatter
TSV to CSV Converter
ULID Generator
Unix Timestamp Converter
URL Parser
UUID Generator
YAML Formatter and Validator
YAML to JSON Converter
Z-Axis Rotation Calculator
Zip Code Random Generator
Z-Order (Morton Code) Calculator
Device Testing Tools
34 tools
A2Z Device Health Check
Android Phone Test
Click speed test
Connection test
Dead pixel test
Desktop Computer Test
Double click test
Gamepad tester
Ghosting test
Gyroscope test
Headphone test
iMac Test
iPad Test
iPhone Test
Key rollover test
Keyboard tester
Laptop Test
MacBook Test
Microphone test
Monitor test
Mouse Test
Multi-Touch Test
Phone Speaker Test
Phone Test
Refresh rate test
Screen resolution
Scroll wheel test
Smartwatch Test
Sound test
Speaker Cleaner - Water Eject & Dust Removal
Tablet Test
Touchscreen test
Vibration test
Webcam Test
Document Creator Tools
5 tools
Education & Research Tools
39 tools
Academic Reading Time Calculator
Acceleration Calculator
Angle Converter
Antilog and Logarithm Calculator
Area Calculator
Arithmetic Sequence Calculator
Average Calculator
Bibliography Deduplicator
Citation Formatter
Decimal to Fraction Converter
Density Calculator
DOI Metadata Lookup
Exam Revision Planner
Flashcard Maker
Hypothesis Test Selector
Lecture Notes Outline Builder
Literature Review Matrix Builder
Marks Percentage Calculator
Matrix Calculator
Midpoint Calculator
Modulo Calculator
Molar Mass Calculator
Multiplication Table Generator
Quiz Generator from Text
Readability Score Analyzer
Research Question Builder
Research Sample Size Calculator
Scientific Calculator
Scientific Notation Converter
Significant Figures Calculator
Slope Calculator
Speed Distance Time Calculator
Square Root Calculator
Standard Deviation Calculator
Statistical Power Calculator
Study Timetable Planner
Surface Area Calculator
Z-Score to Percentile and P-Value Calculator
Z-Test Calculator
Electrical Engineering Tools
20 tools
Circuit Breaker Size Calculator
Earthing Conductor Size Calculator
Electrical Busbar Size Calculator
Electrical Cable Size Calculator
Electrical Conduit Fill Calculator
Electrical Demand Factor Calculator
Electrical Fuse Size Calculator
Electrical Load Schedule Builder
Generator Fuel Consumption Calculator
Motor Full-Load Current Calculator
Motor Slip Calculator
Motor Starting Current Calculator
Power Factor Correction Calculator
Short-Circuit Current Calculator
Single-Phase Power Calculator
Star-Delta Starter Calculator
Three-Phase Power Calculator
Transformer Current Calculator
Transformer kVA Calculator
Voltage Drop Calculator
Electronics & PCB Tools
20 tools
555 Timer Calculator
ADC Resolution Calculator
Battery Series-Parallel Calculator
Capacitor Code Calculator
Decibel Converter
Inductor Color Code Calculator
LC Resonance Calculator
LED Series Resistor Calculator
Microstrip Impedance Calculator
MOSFET Gate Resistor Calculator
Operational Amplifier Gain Calculator
PCB Trace Width Calculator
PCB Via Current Calculator
RC Time Constant Calculator
Resistor Color Code Calculator
RL Time Constant Calculator
Signal-to-Noise Ratio Calculator
SMD Resistor Code Calculator
Transistor Bias Calculator
Voltage Divider Calculator
Email, Marketing & Creator Tools
16 tools
Content Calendar Builder
CPM, CPC and CPA Calculator
Email Deliverability Preflight Checker
Email Preheader Preview Builder
Email Signature Generator
Email Subject Line Tester
HTML Email Compatibility Checker
Influencer Campaign Cost Calculator
Lead Scoring Calculator
Marketing Budget Allocator
Meme Generator
ROAS Calculator
Social Media Engagement Rate Calculator
UTM Campaign Builder
YouTube Chapter Generator
YouTube Title Analyzer
Employee Daily-Use Tools
16 tools
Action Item Tracker
Attendance Percentage Calculator
Desk Ergonomics Checker
Email Response-Time Calculator
Employee Break-Time Calculator
Expense Reimbursement Calculator
Invoice Due-Date Calculator
Meeting Minutes Builder
Mileage Reimbursement Calculator
Minutes to Hours Converter
Petty Cash Tracker
Purchase Order Number Generator
Task Time Estimator
Vendor Evaluation Scorecard
Vendor Quotation Comparator
Work-From-Home Expense Tracker
Everyday Utility Tools
38 tools
Age Difference Calculator
Air Fryer Conversion Calculator
Alarm Clock Online
Alcohol BAC Calculator
Anniversary Calculator
Date Countdown Timer
Day of the Week Calculator
Decision Wheel Spinner
Dice Roller
Digital Clock
Document Expiry Planner
Dog Age Calculator
Dog Food Calculator
Emergency Contact Card Maker
Macro Calculator
Measuring Cups to Grams Converter
Menstrual Period Calculator
Military Time Converter
Mobile Data Usage Calculator
Months Between Dates Calculator
Screen Size Calculator
Shoe Size Converter
Sleep Calculator
Steps to Distance Calculator
Unequal Bill Split Calculator
Unit Price Comparison Calculator
Zen Box Breathing Timer
Zodiac Animal Calculator (Chinese Zodiac)
Zodiac Birth Chart Calculator
Zodiac Compatibility Calculator
Zodiac Mercury Retrograde Calendar
Zodiac Moon Sign Calculator
Zodiac Rising Sign Calculator
Zodiac Saturn Return Calculator
Zodiac Venus Sign Calculator
Zone 2 Heart Rate Calculator
Zone Diet Block Calculator
Zoom Lens Crop Factor Calculator
Finance & Investment Tools
31 tools
Amortization Schedule Calculator
Annuity Calculator
APR Calculator
Bond Yield Calculator
Break-Even Point Calculator
CAGR Calculator
Debt Avalanche Calculator
Debt Snowball Calculator
Debt-to-Income Ratio Calculator
Depreciation Calculator
Discounted Cash Flow (DCF) Calculator
Dividend Yield Calculator
Down Payment Calculator
Future Value Calculator
Inflation Impact Calculator
Investment Fee Impact Calculator
IRR Calculator
Mortgage Affordability Calculator
Mutual Fund Lumpsum Calculator
Present Value Calculator
Rent vs Buy Calculator
Savings Goal Calculator
Simple Interest Calculator
Stock Average Calculator
Sukanya Samriddhi Yojana Calculator
SWP Calculator
XIRR Calculator
Zakat al-Fitr Calculator
Zero-Based Budget Calculator
Zero-Cost EMI Calculator
Zero-Percent Balance Transfer Calculator
Finance Calculator
22 tools
Auto Loan Calculator
Compound Interest Calculator
Credit Card Payoff Calculator
Discount Calculator
Electricity Cost Calculator
Fixed deposit Calculator
Fuel Cost Calculator
GST Calculator
Loan EMI Calculator
Markup Calculator
Mortgage Calculator
NPV Calculator
Overtime Pay Calculator
Profit Margin Calculator
Quick Ratio Calculator
ROI Calculator
Salary to Hourly Rate Calculator
Sales Tax Calculator
SIP Calculator
Tip Calculator
VAT Calculator
Zero-Coupon Bond Calculator
Frontend, CSS & Design Tools
16 tools
CSS Animation Generator
CSS Border Radius Generator
CSS Box Shadow Generator
CSS Clamp Calculator
CSS Gradient Generator
CSS Grid Generator
CSS Specificity Calculator
CSS Transform Generator
Design Token Converter
DPI Calculator
Flexbox Playground
Fluid Typography Calculator
SVG Data URI Converter
SVG Icon Sprite Generator
SVG Path Optimizer
Tailwind Class Converter
Health Calculator
13 tools
Home, Construction & Energy Tools
22 tools
Acreage Calculator
Air Conditioner Tonnage Calculator
Aquarium Volume Calculator
Battery Backup Runtime Calculator
Brick Quantity Calculator
Cement and Sand Ratio Calculator
Dew Point Calculator
Drywall Calculator
Flooring Material Calculator
Generator Size Calculator
Home Energy Usage Estimator
Inverter Size Calculator
Mulch Calculator
Rainwater Harvesting Calculator
Roof Pitch Calculator
Room BTU Calculator
Solar Panel Output Calculator
Square Footage Calculator
Staircase Calculator
Wallpaper Roll Calculator
Water Tank Capacity Calculator
Zero-Emission Vehicle Savings Calculator
iCloud Tools & Help
20 tools
CSV to iCloud Contacts VCF Converter
HEIC to JPG Converter for iCloud Photos
iCloud Backup Time Calculator
iCloud Calendar Duplicate Cleaner
iCloud Calendar ICS Merger
iCloud Calendar ICS to CSV Converter
iCloud Calendar ICS Viewer
iCloud Contacts Duplicate Cleaner
iCloud Contacts VCF to CSV Converter
iCloud Contacts VCF Viewer
iCloud Duplicate Photo Finder
iCloud Export Folder Analyzer
iCloud Photo Date Organizer
iCloud Photos Storage Calculator
iCloud Photos to PDF
iCloud Storage Calculator
iCloud Storage Cleanup Planner
iPhone Photo Metadata Viewer
Live Photo Extractor
VCF Merge and Split Tool
Image Tools
49 tools
Add Watermark to Image
Aspect Ratio Calculator
Bulk Image Resizer
Color Palette Extractor
compress image
convert image to bmp online
convert image to jpeg online
convert image to jpg online
convert image to pgm online
convert image to png online
convert image to ppm online
convert image to psd online
convert image to svg online
convert image to tga online
convert image to tif online
convert image to tiff online
convert image to webp online
Crop Image Online
Image Background Remover
Image converter
Image Resizer
jpeg to png converter
jpeg to psd converter
jpeg to Svg converter
Jpg to Psd converter
Jpg to Svg converter
Jpg to Webp converter
Jpg to Webp converter
jpg-to-png converter
Png to Jpeg converter
Png to Jpg converter
Png to Psd converter
Png to Svg converter
Png to Webp converter
Quote Image Generator
Rotate and Flip Image
Svg to jpeg converter
Svg to jpg converter
Svg to png converter
Svg to psd converter
SVG to WebP Converter
Video Background Remover
Webp to Jpeg converter
Webp to Jpg converter
Webp to Png converter
Webp to Psd converter
Webp to Svg converter
Zoom Aspect Ratio Calculator
Zoom Virtual Background Resizer
Length Converter
20 tools
Centimeter to Meter
Centimeter to Millimeter
Feet to Centimeter
Feet to Meters
Feet to Millimeter
Feet to Yards
Inches to Centimeter
Inches to Feet
Inches to Meter
Kilometer to Centimeter
Meter to Centimeter
Meter to Feet
Meter to Kilometer
Meter to Miles
Meter to Millimeter
Meter to Yards
Millimeter to Centimeter
Millimeter to Feet
Millimeter to Inches
Millimeter to Meter
Maintenance & Technician Tools
15 tools
4-20 mA Scaling Calculator
Calibration Due-Date Calculator
Electrical Inspection Checklist Builder
Equipment Downtime Calculator
Maintenance Work Order Builder
MTBF and MTTR Calculator
Multimeter Reading Log
Overall Equipment Effectiveness Calculator
Preventive Maintenance Checklist Builder
PT100 RTD Temperature Converter
Resistor Tolerance Checker
Sensor Calibration Calculator
Shift Handover Note Builder
Spare Parts Consumption Calculator
Thermocouple Temperature Converter
Mobile, Cloud & DevOps Tools
16 tools
Android Deep Link Builder
Android Screen Density Calculator
APK Manifest Viewer
App Store Metadata Length Checker
App Store Screenshot Size Checker
Apple App Site Association Validator
assetlinks.json Validator
Cloud Egress Cost Calculator
Download Time Calculator
GitHub Actions Workflow Visualizer
iOS Universal Link Builder
IPA Property List Viewer
Kubernetes Manifest Visualizer
Kubernetes Resource Calculator
Mobile Push Payload Builder
Terraform Plan Visualizer
Music & Instrument Tools
16 tools
Other Tools
25 tools
Audio to Text
Concrete Calculator
Currency Converter
Email Verifier
Final Grade Calculator
GPA Calculator
Human Readable File Size Converter
Online Stopwatch
Online Timer
Paint Calculator
push notification tester
Qibla Direction Finder
QWERTY Typing Test
SVG editor / viewer
TelePrompter
Tile Calculator
Virtual Try on Glasses
Zenith Angle Calculator
Zettabyte Data Size Converter
ZIP Archive Content Viewer
Zip Code Format Validator
ZIP File Creator
ZIP File Extractor
Zodiac Sign Finder
Zoom Level to Map Scale Calculator
PDF Tools
18 tools
Add Page Numbers to PDF
Add Watermark to PDF
compress pdf online
Delete PDF Pages
Extract PDF Pages
Flatten PDF Forms
Image to pdf converter
Merge PDF
OCR to PDF Converter
Pdf annotation and signing tool
PDF Metadata Viewer and Editor
PDF Password Remover
PDF to image converter
Pdf to word
Protect pdf (password for pdf)
Reorder PDF Pages
Rotate PDF Pages
Split PDF
PDF, Document & Spreadsheet Tools
16 tools
CSV to XLSX Converter
DOCX Metadata Cleaner
DOCX Word Count Analyzer
Grayscale PDF Converter
Markdown to DOCX Converter
PDF Accessibility Checker
PDF Comparison Tool
PDF Font Inspector
PDF Form Field Inspector
PDF OCR Quality Checker
PDF Page Size Converter
Signature Generator
Spreadsheet Column Profiler
Spreadsheet Duplicate Finder
XLSX Formula Inspector
XLSX to CSV Converter
Photo Location & Postal Code Tools
11 tools
Administrative Division Lookup
Batch Photo GPS Map
Coordinates to Postal Code
Geohash Encoder and Decoder
International Address Format Builder
Photo Location Finder
Photo Time-Zone Estimator
Postal Code Distance Calculator
Postal Code to Coordinates
Worldwide Postal Code Finder
ZIP Code Radius Finder
Photo Restoration Tools
9 tools
Podcast & Creator Tools
3 tools
Proxy Tools
4 tools
SEO Tools
6 tools
SEO, GEO & Ecommerce Tools
21 tools
AI Bot robots.txt Policy Builder
AI Citation Readiness Grader
AI Search Visibility Audit
Answer-First Content Analyzer
Brand Entity Consistency Checker
Claim Source Mapper
Content Cannibalization Comparator
Content Freshness Analyzer
Domain Name Generator
Ecommerce Profit Calculator
Google Merchant Feed Optimizer
Internal Link Opportunity Mapper
Landing Page Message Match Checker
llms.txt Builder
Marketplace Fee Calculator
Product Feed Validator
Rich Result Eligibility Checker
Search Intent Classifier
SEO Content Brief Builder
Subscription Pricing Calculator
Topic Cluster Mapper
Text Tools
53 tools
Barcode Generator
Base32 Decoder
Base32 Encoder
Base64 Decoder
Base64 Encoder
Base64 to image converter
Binary to text Decoder
Bulk QR Code Generator
Character Count
Color Code Converter
Color Code Picker
Column To Comma Separated List
comma Separated List To Column
Compare Text String
CSS Minify
Extract URL Links From Text
Generate Missing HTML Tags
Hash Generator
HMAC Generator
HTML Entity Encoder and Decoder
HTML Minify
HTML Table Generator
HTML to Markdown Converter
Image To Base64 Converter
Image to text
Javascript Minify
JavaScript Obfuscator
JSON Formatter
JSON to XML Converter
Multiline String to Singleline Text Converter
NATO Phonetic Alphabet Converter
Number Base Converter
Number to Words Converter
One-Time Password Generator
Online Notepad
PDF to Text
QR Code Generator
QR Code Scanner
Remove Empty lines
Remove Html Tags
Rich Text HTML Editor
Secure Password Generator
string-builder
Text Case Converter
Text to binary Encoder
URl Slug Generator
Word Frequency Counter
XML Formatter
XML to JSON Converter
Zalgo Text Generator
Zero Padding Number Generator
Zero-Width Character Remover
Zip Code Extractor
Thumbnail & Cover Downloaders
16 tools
Bilibili Thumbnail Downloader
Bulk Open Graph Image Downloader
Bulk YouTube Thumbnail Downloader
Dailymotion Thumbnail Downloader
Loom Thumbnail Downloader
Pinterest Image Downloader
Rumble Thumbnail Downloader
Social Media Preview Image Downloader
SoundCloud Cover Art Downloader
Spotify Cover Art Downloader
Video Thumbnail Downloader
Video Thumbnail Generator
Vimeo Thumbnail Downloader
Website Thumbnail Downloader
YouTube Channel Logo Downloader
Youtube Thumbnail downloader
Travel, Location & Geography Tools
17 tools
Area Code Lookup
Baggage Allowance Planner
Coordinate Format Converter
Currency Exchange Fee Calculator
Elevation Gain Calculator
Flight Carbon Emissions Calculator
Flight Time Calculator
Hiking Time Calculator
International Dialing Code Lookup
Jet Lag Adjustment Planner
Mileage Calculator (MPG and km/L)
Moon Phase Calculator
Passport Photo Size Checker
Sunrise and Sunset Calculator
Travel Packing List Builder
Trip Budget Planner
Visa Stay Day Calculator
Video Downloader
30 tools
Bilibili Video Downloader
Bitchute Video Bownloader
Blogger video downloader
Dailymotion Video Downloader
Download Video From URL
Dzen Video Downloader
ESPN video downloader
Facebook Video Downloader
IMDB video downloader
Imgur video downloader
Instagram Video Downloader
Internet Archive Video Downloader
Likee video Downloader
linkedin Video Downloader
Odysee Video Downloader
ok.ru Video Downloader
Peertube Video Downloader
Reddit Video Downloader
Rumble Video Downloader
Rutube Video Downloader
Servustv Video Downloader
Snapchat Video Downloader
Soundcloud Video Downloader
TED Talks Video Downloader
Telegram video downloader
Tik Tok Video Downloader
Tumblr video downloader
Twitch Video Downloader
Twitter Video Downloader
vimeo video downloader
Video Editing Tools
2 tools
Volume Converter
8 tools
Website & Network Tools
186 tools
A Record Lookup
AAAA Record Lookup
Ads.txt Checker
AI Crawler Access Checker
App-ads.txt Checker
Argon2 Hash Generator and Verifier
ASN Lookup
Authentication Anomaly Analyzer
AWS CloudTrail Log Analyzer
bcrypt Hash Generator and Verifier
BIMI Checker
BIMI SVG Validator
Bulk HTTP Status Checker
CAA Lookup
Cache-Control Checker
Canonical Tag Checker
CDN Checker
Certificate and Private Key Matcher
Certificate Authority Checker
Certificate Transparency Search
CISA KEV Lookup
Clickjacking Protection Tester
Client-Side Secret Exposure Checker
Cloud IAM Policy Analyzer
CNAME Lookup
Complete Email Security Checker
Complete Website Health Checker
Cookie Security Checker
CORS Checker
CRL Distribution Point Checker
Cross-Origin Embedder Policy Checker
Cross-Origin Isolation Checker
Cross-Origin Opener Policy Checker
Cross-Origin Policy Bundle Generator
Cross-Origin Resource Policy Checker
CSP Checker
CSP Generator
CSP Nonce and Hash Generator
CSP Report Analyzer
CSR Decoder and Validator
CSRF Defense Configuration Checker
CVE Search
CVSS 4.0 Calculator
Cyber Security Tools
CycloneDX Validator
DANE TLSA Generator and Validator
Dependency End-of-Life Checker
DKIM Checker
DMARC Checker
DMARC Record Generator
DMARC XML Report Analyzer
DNS Lookup
DNS Propagation Checker
DNSSEC Checker
DNSSEC Validator
Domain Age Checker
Domain Expiry Checker
Email Header Analyzer
Entra Sign-In Log Analyzer
EPSS Score Lookup
EXIF Privacy Remover
External Resource Inventory
Favicon Checker
File Checksum Verifier
File Entropy Analyzer
File Integrity Manifest Generator
File Type and Magic Byte Detector
File Upload Security Policy Builder
Firewall Rule Analyzer
GraphQL Schema Security Auditor
Hreflang Checker
HSTS Checker
HSTS Preload Checker
HTTP Compression Checker
HTTP Headers Checker
HTTP Methods Exposure Checker
HTTP Protocol Checker
HTTP Status Code Checker
HTTPS Checker
HTTPS Redirect Checker
IaC Security Checker
Iframe Sandbox Policy Builder
Incident Response Workspace
IOC Defang and Refang Tool
IOC Extractor
IOC Normalizer and Deduplicator
IOC to STIX Converter
IP Address Lookup
IP and CIDR Subnet Calculator
JavaScript Source Map Exposure Checker
JWK and JWKS Viewer
JWK and PEM Converter
JWT Security Analyzer
JWT Signature Verifier
Kubernetes Security Checker
Llms.txt Checker and Generator
Log Timestamp Normalizer
MIME Type and Magic Byte Checker
MITRE ATT&CK Coverage Heatmap
MITRE ATT&CK Mapper
Mixed Content Checker
MTA-STS Checker
Multi-Format Log Parser
MX Lookup
NS Lookup
OAuth PKCE Generator
OCSP Status Checker
OIDC Discovery Analyzer
Open Graph Checker
OpenAPI Security Auditor
Package Typosquatting Checker
Package URL (purl) Parser
Password Entropy Calculator
Password Policy Tester
PBKDF2 Hash Generator and Verifier
Permissions Policy Checker
Permissions Policy Generator
PII and Secret Redactor
PWA Manifest Checker
Redirect Chain Security Analyzer
Referrer Policy Checker
Reverse DNS Lookup
Reverse IP Lookup
Robots.txt Checker
SAML Metadata Analyzer
SAML Response Decoder
SBOM Diff Checker
SBOM Viewer
Schema Markup Generator
Schema Markup Validator
Secure Cookie Builder
Secure Passphrase Generator
Security Headers Checker
Security.txt Checker
Security.txt Generator
Server Banner Exposure Checker
Service Worker Checker
Sigma Rule Converter
Sigma Rule Validator
Sitemap Checker
SOA Lookup
Social Card Preview
SPDX Validator
SPF Checker
SPF Record Generator
SRI Checker
SRI Hash Generator
SSL Certificate Chain Checker
SSL Certificate Checker
SSL Certificate Decoder
SSL Certificate Expiry Checker
SSL Security Checker
SSL/TLS Configuration Checker
SSVC Decision Calculator
Static Asset Optimization Checker
STIX 2.1 Validator
Suricata Rule Validator
Sysmon Event Analyzer
Third-Party Script Risk Analyzer
Threat Intelligence Report Builder
TLS Cipher Suite Analyzer
TLS Configuration Generator
TLS Version Checker
TLS-RPT Checker
Trusted Types Policy Builder
Trusted Types Readiness Checker
TTFB Checker
TXT Lookup
User-Agent Parser
Vulnerability Prioritization Calculator
Vulnerability Report Normalizer
Vulnerable JavaScript Library Checker
Web App Manifest Generator
Web Server Log Analyzer
Website Cookie Inventory Scanner
Website Dependency Inventory
Website Security Audit
Website Security Audit Report Builder
Website Security Regression Checker
Website Security Remediation Plan
Website Security Score Comparator
Website Security Tools
Website Technology Checker
WHOIS / RDAP Lookup
Windows Event Log Analyzer
YARA Rule Validator
Website Performance & Accessibility
20 tools
Accessibility Contrast Matrix
Accessible Name Debugger
Browser Cache Policy Builder
CLS Layout Shift Debugger
Compression Savings Estimator
Core Web Vitals Budget Calculator
Critical Request Chain Visualizer
CSS Coverage Analyzer
DOM Complexity Analyzer
HTML Semantic Outline Checker
Image Delivery Optimizer
INP Interaction Profiler
JavaScript Bundle Analyzer
Keyboard Navigation Auditor
LCP Element Analyzer
Preload and Preconnect Builder
Resource Waterfall Analyzer
Responsive Image srcset Builder
Third-Party Performance Budget Calculator
Web Font Loading Optimizer
Website Tools
13 tools
Weight Converter
11 tools
Writing, Publishing & Localization
22 tools
Acronym Extractor
Alphabetical Order Sorter
Anagram Solver
ASCII Art Text Generator
Duplicate Line Remover
Editorial Style Guide Checker
Filler Word and Cliché Detector
Glossary Builder
Headline Score Analyzer
Keyword Density Checker
Mirror Text Generator
Morse Code Translator
Passive Voice Detector
Plain Language Analyzer
Sentence Length Analyzer
Speech Time Calculator
SRT Subtitle Validator
Subtitle Line Break Formatter
Subtitle Reading Speed Checker
Translation Cost Calculator
Unicode Script Detector
Writing Tone Analyzer
No tools match
Try a shorter word, or .
Quick answer
Browse this page to see every tool category and individual tool offered on A2Z Tools, with links to each one.
Key facts
- Lists all active tool categories and individual tools available on the site
- Serves as the main navigation hub for discovering tools beyond the homepage's featured selection
- Database-driven -- reflects the currently active set of tools and categories
- Free to browse, no signup required
What is this tool?
This page is the central directory of every tool available on A2Z Tools, organized by category, letting you browse and find the specific utility you need.How to use it
Scroll or browse through the listed categories and tools, and click any tool to open it directly.Common use cases
- Finding a specific tool when you don't remember its exact name or URL.
- Discovering new tools in a category you're interested in.
- Getting an overview of everything A2Z Tools offers.
Benefits
Provides a single, organized place to discover every tool on the site.Privacy & your data
This is a navigation/listing page; browsing it does not submit any personal data.Frequently asked questions
Is this page kept up to date with new tools?
Yes. This directory is database-driven and reflects the currently active set of tools and categories on the site.
Do I need to sign up to use tools listed here?
No. The vast majority of tools linked from this page are free to use without an account.
How are tools organized on this page?
Tools are typically grouped by category (such as calculators, converters, text tools, and more) to make browsing easier.
Last reviewed: