Besplatni alati u pregledniku

Provjera MX zapisa

Provjeri ispravne MX zapise

SPF/DKIM/DMARC raščlamba

Raščlamba zapisa autentifikacije e-pošte

Izrada SPF zapisa

Izradi SPF zapise i prebroji DNS upite

Izrada DMARC zapisa

Generiranje DMARC politike i zapisa izvještavanja

Analiza zaglavlja e-pošte

Praćenje koraka dostave i rezultata autentifikacije

Prepoznavanje jednokratne e-pošte

Provjeri prema poznatim privremenim domenama

Čišćenje e-pošte

Skupno čišćenje, provjera i uklanjanje duplikata e-pošte

Revizija security.txt

Provjera security.txt prema RFC 9116

Provjera procurjelih lozinki

Provjera lozinki prema HIBP-u uz k-anonimnost

Generator CSP-a i sigurnosnih zaglavlja

Izradi Content-Security-Policy i skupove zaglavlja

Generator WordPress soli

Generiranje wp-config ključeva i soli

Generator ojačavanja WordPressa

isječci za wp-config.php i .htaccess

chmod kalkulator dozvola

Pretvorba oktalnih načina i rwx dozvola

JWT dekoder

Dekodiranje JWT zaglavlja, tvrdnji i isteka

Generator hashova

MD5, SHA-1, SHA-256 i SHA-512 sažeci

Provjera usklađenosti llm.txt

Provjera uputa za AI puzavce

Raščlamba pravila robots.txt

Test pravila pristupa URL-ova za bilo koji user-agent

Vizualizator XML karte stranice

Raščlamba karata stranica, filtriranje, pretraga, izvoz CSV-a

Analiza meta oznaka

Analiza naslova, meta oznaka i OpenGraph oznaka

Generator pregleda SERP-a

Pregled Google rezultata pretrage, desktop i mobilno

Pregled društvene kartice

Pregled OG kartica i generator slika 1200x630

Generator schema oznaka

Izrada i provjera JSON-LD strukturiranih podataka

Generator robots.txt i llms.txt

Generiranje robots, llms i sigurnosnih datoteka

CIDR i podmrežni kalkulator

IPv4 i IPv6 mrežni rasponi i maske

Preglednik HTTP statusnih kodova

Interaktivni pregled više od 40 statusnih kodova

Skeniranje portova na klijentu

Otkrij otvorene portove na localhostu

Test sposobnosti mreže u pregledniku

Mrežni status, vrsta veze, procjena brzine preuzimanja

Razvrstavanje slika u pregledniku

Klasifikacija MobileNet v2, bez prijenosa

Pretraga embeddinga na klijentu

Semantička pretraga s Transformers.js

Pokretanje LLM-a u pregledniku

Lokalno generiranje teksta s DistilGPT-2

OCR u pregledniku

Izvlačenje teksta iz slika pomoću Tesseract.js

Uklanjanje pozadine

Uklanjanje pozadine fotografija segmentacijom na uređaju

Povećanje slika

Povećanje slika 2x ili 3x uz izoštravanje

Govor u tekst

Lokalna transkripcija audija s Whisper tiny

Procjena opsega

Procijenite potrebe upravljanja u 30 sekundi

Generator lozinki

Snažne lozinke, generirane lokalno

Pretvorba i kompresija slika

Promjena veličine i pretvorba u WebP, AVIF ili JPEG

Base64, URL i HTML koder

Lokalno kodiranje i dekodiranje teksta

Generator i objašnjenje crontaba

Sastavljanje i razlaganje cron rasporeda

Ping & Latency Visualizer

Graph live latency and network stability in your browser.

Subnet & CIDR Calculator

Compute network, broadcast, range and host count for any IPv4 CIDR.

HAR (HTTP Archive) Viewer

Parse .har files locally to inspect load times and payloads.

Client-Side Password Vault & Generator

Generate strong passwords and encrypt a credential list locally with a master password.

SSL/TLS Certificate Decoder

Decode a PEM certificate to inspect its size and SHA-256 fingerprint.

Keyword Density & Content Analyzer

Count words, reading time and top keyword phrases.

Structured Data (Schema.org) Validator

Validate JSON-LD schema syntax locally.

Redirect / Regex Path Mapper

Test URL rewrite rules and regex mappings in real time.

Log Parser & Anonymizer

Parse server logs, filter by level, anonymize IPs/emails.

CSV to JSON/XML Converter

Parse CSV and export JSON, XML or SQL inserts.

Base64 Image Encoder/Decoder

Convert images to Base64 data URIs and back.

WordPress Security Hardening Auditor

Audit a wp-config.php for security settings.

Generator WordPress soli

Generate wp-config.php authentication keys and salts.

WP REST API Explorer

Probe a WordPress site's public REST endpoints.

WordPress Version & Theme Finder

Extract WordPress version, theme and plugins from pasted HTML.

Node.js

package.json Security Auditor

Audit a package.json for risky or outdated dependencies.

Node.js

.env Security Validator

Validate .env files for placeholder secrets and missing values.

Node.js

Express.js Route Mapper

Parse Express routing code into a visual endpoint map.

Content Security Policy (CSP) Builder

Build and evaluate a CSP header interactively.

CORS Preflight Simulation Sandbox

Simulate CORS preflight requests and headers.

Local/Session Storage & Cookie Inspector

Inspect everything stored in your browser for this origin.

Framework Bundle Budget Calculator

Estimate load times from bundle sizes across network speeds.

Frontend

Next.js Routing Matrix Parser

Visualize a Next.js app/pages folder tree as routes.

Unix Timestamp & Epoch Converter

Convert between Unix timestamps and human dates.

UUID / ULID Bulk Generator

Generate thousands of UUIDs or ULIDs locally.

Accessibility

Color Contrast Auditor (WCAG)

Test WCAG 2.1 contrast ratios.

Diff Checker & Text Merge

Compare two text blocks line by line.

Base Converter (Binary/Octal/Decimal/Hex/Base64)

Convert numbers between bases.

Cron Expression Explainer

Explain a crontab expression in plain English.

Web Crypto Key Pair Generator

Generate RSA or ECDSA key pairs and export JWK/PEM locally.

Bcrypt / Argon2 Playground

Hash passwords with bcrypt or Argon2id via WebAssembly.

BIP39 Mnemonic Converter

Generate seed phrases and derive BTC/ETH keys offline.

Steganography Encoder / Decoder

Hide and extract text in PNG pixel data locally.

Regex Visualizer & Match Tester

Highlight matches, capture groups, timings and substitutions.

JSON Schema Generator & Validator

Infer JSON Schema from data and validate documents.

SQL Formatter & Syntax Checker

Format SQL with keywords, indentation and balance checks.

Markdown to Live HTML Converter

Render markdown with code, tables and task lists live.

JWT Signature Verifier

Verify RS/PS/ES/HS JWT signatures with a public key locally.

GraphQL Schema Introspector

Parse SDL, browse types and generate query skeletons.

DNS Propagation Emulator

Simulate resolver caches and TTL countdown over 24 hours.

HTTP Header Builder & Auditor

Build raw requests, parse responses, audit security headers.

WebRTC Signaling Playground

Copy-paste SDP to open a direct data channel between tabs.

WebSocket Tester & Frame Logger

Connect to ws/wss endpoints, log frames and measure latency.

Core Web Vitals Predictor

Rate TTFB, LCP, CLS and INP against Google thresholds.

Image Compression Previewer

Compare original vs compressed size and quality side by side.

CSS Selector Performance Analyzer

Rank CSS selectors by rendering cost and flag risky rules.