Fneno
💻

Developer & DevOps Tools

JSON, SQL, regex, JWT, Docker, cron, UUID, and API utilities for developers.

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JSON Formatter

Format, validate and beautify JSON instantly

developer
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UUID Generator

Generate RFC-compliant UUID v4 identifiers instantly

developer

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes

developer

JWT Decoder

Decode and inspect JWT tokens instantly

developer

Regex Tester

Test regular expressions with live match highlighting

developer
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.env File Generator

Build .env templates for Next.js, Vercel, Supabase

developer
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.env File Parser

Parse, validate & export .env variables

developer
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.gitignore Generator

Generate .gitignore templates by stack

developer
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.htaccess Redirect Generator

301/302 RewriteRule snippets

developer
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Accessibility Score Checker & Certificate

WCAG-oriented HTML accessibility score with professional certificate

developer
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AI Code Explainer

Paste code → plain-language explanation

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Apache Redirect Rules

301/302 htaccess redirect builder

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Arabic SEO Slug Generator

Create URL-friendly slugs for Arabic content

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Article Schema Generator

NewsArticle / BlogPosting JSON-LD

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Barcode Generator

Create barcodes in common retail formats

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Base64 Image Encoder

Image ↔ Base64 data URLs

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Bcrypt Hash Generator

Generate bcrypt password hashes with cost factor

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Binary / Hex Converter

Convert between Binary, Decimal, Hex and Octal

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Breadcrumb Schema Generator

BreadcrumbList structured data

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Changelog Generator

Keep a Changelog markdown export

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chmod Permission Calculator

Convert octal ↔ symbolic file permissions

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ClaimReview Schema

Fact-check ClaimReview JSON-LD

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CORS Preflight Checker

Test OPTIONS preflight & CORS headers

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Course Schema Generator

Course / learning JSON-LD

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Credit Card Luhn Validator

Validate card numbers with Luhn algorithm

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Cron Expression Explainer

Human-readable explanation of cron schedules

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Cron Expression Generator

Build and validate cron schedules with a visual editor

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Cron Next Runs

Preview next scheduled cron executions

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Cron Timezone Converter

Cron UTC ↔ your timezone

developer
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CSP Header Generator

Content-Security-Policy header builder

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CSR Generator

Certificate Signing Request PEM

developer
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CSS Border Radius Generator

Per-corner radius with live preview

design
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CSS Box Shadow Generator

Visual box-shadow editor with CSS output

design
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CSS Clip-Path Generator

Polygon & circle clip paths

design
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CSS Flexbox Generator

Visual flex layout + live CSS

design
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CSS Formatter

Format, beautify, and minify CSS stylesheets

developer
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CSS Grid Generator

Grid template areas & CSS

design
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CSS Keyframes Generator

Build @keyframes animations

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CSS Minifier

Minify stylesheets for production

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CSV ↔ JSON Converter

Convert CSV tables to JSON and back

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CSV to JSON Converter

Parse CSV rows into JSON array

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CSV to Markdown Table

Convert CSV rows to MD tables

developer
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cURL Command Builder

Build curl commands with headers & body

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Data URI Generator

Build data: URLs for CSS/HTML

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Dataset Schema Generator

Open data / dataset JSON-LD

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Diff Checker

Compare two texts and highlight differences

developer
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DNS Lookup Tool

Look up A, MX, CNAME, TXT and more DNS records for any domain

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DNS Record Reference

A, CNAME, MX, TXT examples & builder

developer
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Docker Compose Generator

Starter docker-compose.yml

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Dockerfile Generator

Generate Dockerfiles for Node, Python, Next.js

developer
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E.164 Phone Formatter

Format phone numbers to E.164 (+966, +971…)

developer
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EditorConfig Generator

Download .editorconfig template

developer
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Egypt ETA Invoice QR Decoder

Decode Egypt tax invoice QR TLV data

arabic
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Email MX Checker

Check domain MX records for email delivery

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Email Validator

Syntax check + optional MX lookup

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Event Schema Generator

Event structured data markup

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Fake Data / Mock Generator

JSON mock users and products for tests

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FAQ Schema Generator

Build FAQPage JSON-LD for rich results

developer
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Git Commit Message Generator

Conventional Commits format builder

developer
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GitHub README Generator

README.md with badges & sections

developer
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Glassmorphism CSS Generator

Frosted glass UI CSS snippet

design
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Gradient Text CSS Generator

Background-clip gradient headline CSS

design
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GraphQL Formatter

Beautify GraphQL queries and mutations

developer
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HMAC SHA-256 Generator

Generate HMAC signatures for webhooks and APIs

developer
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HowTo Schema Generator

HowTo structured data with steps & supplies

developer
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Hreflang Tag Generator

Generate hreflang alternate links

developer
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htaccess Security Headers

Apache security headers snippet

developer
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HTML Email Signature

Professional email signature HTML block

developer
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HTML Entity Encoder / Decoder

Encode and decode HTML entities safely

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HTML Formatter

Format and minify HTML markup in the browser

developer
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HTML Meta Tags Generator

Generate full SEO meta, OG, and Twitter tags

developer
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HTML Minifier

Compress HTML markup

developer
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HTML to PDF Converter

Paste HTML and download a PDF

pdf
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HTTP Status Code Reference

Quick lookup: what every HTTP status code means (200, 404, 500…)

developer
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IBAN Validator & Formatter

Validate GCC and international IBANs

developer
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INI to JSON Converter

Parse INI config files to JSON

developer
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IP Range to CIDR

Convert IP ranges to CIDR blocks

developer
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ISBN Validator

Validate ISBN-10 and ISBN-13 check digits

developer
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JavaScript Minifier & Beautifier

Minify or pretty-print JS in browser

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Job Posting Schema

Google Jobs JSON-LD markup

developer
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JSON to CSV Converter

Convert JSON array of objects to CSV

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JSON to TypeScript

Generate TS interfaces from JSON

developer
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JSONPath Extractor

Query JSON with path expressions

developer
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JWK to PEM Converter

Convert RSA/EC JWK to PEM public key

developer
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JWKS JSON Validator

Validate JWK Set JSON for OIDC providers

developer
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JWT Generator (HS256)

Create signed JWT tokens with your secret

developer
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Local Business Schema

LocalBusiness JSON-LD for Maps & local SEO

developer
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Markdown Table Generator

Build aligned Markdown tables visually

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Markdown to HTML Converter

Convert Markdown to clean HTML instantly

developer
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Markdown to HTML Converter

Convert Markdown to clean HTML

developer
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Medical WebPage Schema

Health content MedicalWebPage markup

developer
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Neumorphism CSS Generator

Soft UI shadow CSS for buttons & cards

design
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Nginx Config Generator

Reverse proxy & SSL server blocks

developer
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Nginx Security Headers

Nginx add_header security snippet

developer
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OAuth2 PKCE Generator

code_verifier, code_challenge & auth URL

developer
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Offer Price Schema

Product Offer / price JSON-LD

developer
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Open Graph Preview

Preview how links look on social networks

developer
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OpenAPI Stub Generator

Build OpenAPI 3 YAML stubs for REST APIs

developer
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Organization Schema

Organization JSON-LD for knowledge panel

developer
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Password Strength Checker

Score passwords and get security tips

developer
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PEM Certificate Parser

Decode X.509 cert details

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Person Schema Generator

Author / profile Person JSON-LD

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Product Schema Generator

Product JSON-LD for rich results

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PWA Manifest Generator

Progressive Web App manifest.json builder

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QAPage Schema Generator

FAQ rich results QAPage JSON-LD

developer
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QR Code Decoder

Read QR codes from uploaded images

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Recipe Schema Generator

Recipe rich results JSON-LD

developer
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Regex Pattern Library

Common regex patterns with live test

developer
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Review Schema Generator

Review & aggregateRating markup

developer
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robots.txt Generator

Build a valid robots.txt for search crawlers

developer
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RSA Key Pair Generator

2048/4096 RSA PEM keys in browser

developer
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Saudi National ID Validator

Validate Saudi ID / Iqama number checksum

developer
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Schema.org JSON-LD Generator

Create FAQ, Product, Organization structured data

developer
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Secure Password Hash (PBKDF2)

PBKDF2-SHA256 hash for dev testing

security
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SemVer Compare Tool

Compare semantic version numbers

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SemVer Version Calculator

Bump major, minor, or patch versions

developer
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SEO Readiness Checker & Certificate

Score title, meta, headings, and content depth — get SEO readiness certificate

developer
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SERP Title Pixel Checker

Check if title fits Google SERP width

developer
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Software Application Schema

App / SaaS JSON-LD markup

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Speakable Schema Generator

Voice assistant speakable markup

developer
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SQL CREATE TABLE Generator

Build SQL table DDL from columns

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SQL Formatter

Beautify and indent SQL queries for readability

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SRI Hash Generator

Subresource Integrity sha256/sha384 hashes

developer
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SSL Certificate Decoder

Decode PEM SSL/TLS certificates in browser

security
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Subnet Calculator

Calculate CIDR, netmask, and host ranges

developer
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SVG Optimizer

Clean & compress SVG code

developer
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SWIFT / BIC Validator

Validate bank SWIFT/BIC codes

developer
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TOML to JSON Converter

Convert TOML config to JSON

developer
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Tourist Trip Schema

Travel / TouristTrip structured data

developer
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TXT DNS Lookup

Query TXT records (SPF, DKIM, verify)

developer
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Unix Timestamp Converter

Convert epoch seconds/milliseconds to dates and back

developer
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Video Schema Generator

VideoObject JSON-LD for YouTube embeds

developer
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WCAG Color Contrast Checker

Check AA/AAA contrast for accessibility

developer
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Webhook Signature Verifier

Verify HMAC signatures (Stripe, GitHub, generic)

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Webhook Tester

Send test HTTP requests to your URL

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WebSite Schema Generator

Site search box structured data

developer
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Website Screenshot Tool

Enter a URL and capture a screenshot of the page

developer
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Website SEO Audit & Certificate

Paste any website URL — 13-point SEO audit + official certificate with your link and every finding

developer
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WhatsApp Link Generator

Generate click-to-chat WhatsApp links with pre-filled message

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WiFi QR Code Generator

Scan-to-connect WiFi QR string

developer
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XML Formatter

Format, validate, and minify XML documents

developer
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XML Sitemap Generator

Create XML sitemaps for better search indexing

developer
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XPath HTML Tester

Run XPath on HTML/XML snippets

developer
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YAML ↔ JSON Converter

Convert between YAML and JSON both ways

developer
New✦ AI

AI Hashtag Generator

Generate trending hashtags for Instagram, TikTok and X

ai

Base64 Encoder / Decoder

Encode and decode Base64 strings instantly

developer

Color Picker & Converter

Pick colors and convert between HEX, RGB and HSL

developer
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CSS Gradient Generator

Generate beautiful CSS gradients visually

developer
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IP Address Lookup

Find location, ISP and details of any IP address

developer

Morse Code Translator

Translate text to Morse code and back with audio

developer

Roman Numeral Converter

Convert between Roman numerals and Arabic numbers

developer

URL Encoder / Decoder

Encode and decode URL strings instantly

developer