Ceytrex Toolkit

Free online tools for everyone. Powerful utilities at your fingertips.

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All Tools

#	Tool	Description	Tags
Developer Tools(26)
1	JWT Generator & Decoder	Generate signed JWTs with custom headers and payloads, and decode existing tokens	jwt generatorjwt creatorjwt token
2	Markdown Preview	Live markdown editor with side-by-side HTML preview and syntax highlighting	markdown previewmarkdown editormarkdown viewer
3	JSON API Mock Generator	Generate mock API responses and endpoint snippets from JSON samples	json api mockmock apiapi generator
4	Webhook Tester / Request Bin	Create temporary webhook endpoints and inspect incoming payloads in real time	webhook testerrequest binwebhook debugger
5	Robots.txt & Meta Robots Tester	Validate robots.txt and page-level robots directives for indexability checks	robots.txtmeta robotsseo
6	IP Lookup	Look up geolocation, ISP, and network info for any IP address	ip lookupip addressgeolocation
7	Code Beautifier	Format and beautify HTML, CSS, and JavaScript code instantly	beautifierformatterhtml
8	.gitignore Generator	Select your tech stack and generate a ready-made .gitignore file	gitignoregitgenerator
9	Code Diff Checker	Side-by-side code diff with line numbers, change highlights, and language support	diffcode diffcompare code
10	JSON → TypeScript	Paste JSON and instantly generate TypeScript interfaces or types	json to typescripttypescript generatorinterface generator
11	DNS Lookup	Look up A, AAAA, MX, CNAME, TXT, NS, and SOA records for any domain	dns lookupdns recordsdomain lookup
12	.htaccess Generator	Build common Apache .htaccess rules for redirects, security, and performance	htaccessapacheredirect
13	Timestamp Converter	Convert Unix timestamps to human-readable dates and vice versa	timestampconverterunix timestamp
14	JSON Schema Validator	Validate JSON data against a schema with detailed error reporting	jsonschemavalidator
15	CSS Gradient Generator	Create beautiful CSS gradients with visual editor and code export	cssgradientcss gradient
16	HTTP Status Code Reference	Searchable reference for all HTTP status codes and meanings	httpstatus codehttp status
17	Color Code Picker	Pick colors and convert between hex, RGB, HSL color formats	colorpickercolor picker
18	Cron Expression Builder	Visual cron expression editor with explanations and testing	croncron expressioncron builder
19	JWT Decoder	Decode and validate JWT tokens with header and payload visualization	jwtdecoderjwt decoder
20	URL Encoder/Decoder	Encode and decode URL strings with percent encoding	urlencoderdecoder
21	Regex Tester	Test and debug regular expressions with real-time matching and capture groups	regexregular expressionregex tester
22	SQL Formatter	Format and beautify SQL queries with syntax highlighting and indentation	sqlformattersql formatter
23	Hash Generator	Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) from text and files	hashmd5sha256
24	Base64 Encoder/Decoder	Encode and decode Base64 strings, images, and files	base64encoderdecoder
25	UUID Generator	Generate UUIDs (v1, v4) and GUIDs instantly	uuidguidgenerator
26	JSON Viewer	Format, validate, and visualize JSON data with syntax highlighting	jsonviewerformatter
Business(11)
27	Sri Lanka Public Holidays	Complete Sri Lanka public holiday calendar for 2025 and 2026 - Poya days, national holidays, and banking holidays	sri lanka public holidayssri lanka holidays 2025sri lanka holidays 2026
28	ROI Calculator	Calculate Return on Investment, break-even point, net profit, and payback period instantly	roi calculatorreturn on investmentroi formula
29	LKR Exchange Rates	Live Sri Lankan Rupee exchange rates - USD, EUR, GBP, AUD, AED, SGD, INR and more vs LKR	lkr exchange rateusd to lkreur to lkr
30	BMI Calculator	Calculate Body Mass Index and health status	bmicalculatorbmi calculator
31	Currency Converter	Convert between currencies with live exchange rates	currencyconverterexchange rate
32	Percentage Calculator	Calculate percentages, percentage change, and percentage of numbers	percentagecalculatorpercent calculator
33	Age Calculator	Calculate age in years, months, days, and exact time	agecalculatorage calculator
34	Loan EMI Calculator	Calculate Equated Monthly Installments for loans with amortization schedule	emiloancalculator
35	GST/VAT Calculator	Calculate GST, VAT, and tax amounts with inclusive/exclusive options	gstvatcalculator
36	Profit Calculator	Calculate gross profit, net profit, and profit margins	profitcalculatorbusiness
37	Invoice Generator	Create professional PDF invoices with your business logo	invoicepdfbusiness
Marketing(10)
38	Email Signature Generator	Create professional HTML email signatures	email signaturesignature generatoremail signature maker
39	Social Media Image Resizer	Resize images for different social media platforms	social mediaimage resizerfacebook image
40	Favicon Generator	Generate favicons in multiple sizes from any image	faviconicon generatorfavicon maker
41	Meta Tags Generator	Generate Open Graph, Twitter Card, and SEO meta tags	meta tagsopen graphtwitter card
42	Color Palette Generator	Extract color palettes from images instantly	colorpalettedesign
43	UTM Link Builder + URL Shortener	Build campaign URLs with UTM parameters and create short shareable links	utm buildercampaign urlurl shortener
44	Website Accessibility Checker	Scan pages for basic WCAG-related issues such as missing alt text and label gaps	accessibility checkerwcag checkera11y audit
45	WhatsApp Link Builder	Create WhatsApp chat links with pre-filled messages	whatsapplinkmessaging
46	QR Code Generator	Generate QR codes for URLs, WiFi, WhatsApp, and text	qrqr codegenerator
47	Open Graph Preview	Preview how any URL looks when shared on Facebook, Twitter, LinkedIn, and WhatsApp	open graphog previewsocial media preview
Converters(13)
48	HEX to RGB Converter	Convert color codes between HEX, RGB, HSL, HSV formats	hexrgbcolor converter
49	Image Format Converter	Convert images between JPG, PNG, WebP, AVIF formats	image converterformat converterjpg to png
50	Markdown to HTML Converter	Convert Markdown to HTML with live preview	markdownhtmlconverter
51	XML ↔ JSON Converter	Convert between XML and JSON formats with validation	xmljsonconverter
52	JSON ↔ YAML Converter	Convert between JSON and YAML formats with syntax validation	jsonyamlconverter
53	CSV ↔ JSON Converter	Convert between CSV and JSON formats easily	csvjsonconverter
54	PDF to Images	Convert PDF pages to PNG images in your browser	pdfimageconverter
55	QR Code to Google Wallet	Convert QR codes into Google Wallet passes for mobile storage	qr codegoogle walletpass
56	QR Code to Apple Wallet	Convert QR codes into Apple Wallet passes for easy storage	qr codeapple walletpass
57	Unit Converter	Convert units for length, weight, temperature, speed, and volume	unitconverterlength
58	Number Base Converter	Convert numbers between binary, octal, decimal, and hexadecimal bases	numberbaseconverter
59	JSON to CSV Converter	Convert JSON data to CSV format with customizable delimiters	jsoncsvconverter
60	HTML to Markdown Converter	Convert HTML markup to Markdown format instantly	htmlmarkdownconverter
Image Tools(6)
61	Image Watermarker	Add text or image watermarks to photos - control position, opacity, font, and color	image watermarkwatermark photoadd watermark
62	Image Resizer	Resize images to exact pixel dimensions or percentage - supports PNG, JPEG, WebP	image resizerresize imageimage resize online
63	Image Metadata Viewer	View EXIF data and image metadata	exifmetadataimage metadata
64	Image to Base64	Convert images to Base64 data URIs for use in HTML, CSS, and code	image to base64base64 encoderdata uri
65	Image Cropper	Crop images with custom dimensions and aspect ratios	image croppercrop imageimage crop
66	Image Compressor & Resizer	Compress and resize images without uploading	imagecompressresize
Text Tools(11)
67	HTML Entity Encoder / Decoder	Encode and decode HTML entities - convert special characters to &, <, > and back	html entity encoderhtml entity decoderhtml encode
68	String Escaper & Unescaper	Escape and unescape strings for HTML, URL, JSON, SQL, and JavaScript	string escaperhtml escapeurl encode
69	Duplicate Line Remover	Remove duplicate lines from text - keep unique lines, count duplicates, and sort output	duplicate line removerremove duplicatesunique lines
70	Remove Line Breaks	Remove or replace line breaks in text	line breaksremove newlinestext cleaner
71	Text to Slug Converter	Convert text to URL-friendly slugs	sluggeneratortext to slug
72	Password Generator	Generate secure random passwords	passwordgeneratorpassword generator
73	Text Diff Checker	Compare two texts and highlight differences	text diffdiff checkertext compare
74	Lorem Ipsum Generator	Generate placeholder text in various formats	lorem ipsumgeneratorplaceholder text
75	Word Counter	Count words, characters, sentences, and paragraphs	word countercharacter counterword count
76	Fancy Text Generator	Convert text to Unicode-styled fonts for social bios, posts, and profiles	fancy textunicode fontstext generator
77	Text Case Converter	Convert text between different case formats	textcaseuppercase
Security Tools(2)
78	Password Strength Checker	Check password strength and security	password strengthpassword checkerpassword security
79	Secret Key Generator	Generate cryptographically secure random secret keys, API keys, and tokens in multiple formats	secret key generatorapi key generatorrandom key
Translators(2)
80	Sri Lanka NIC Decoder	Decode any Sri Lanka National Identity Card number - reveals date of birth, gender, age, and voter eligibility instantly	nic decodersri lanka nicnational identity card
81	Sinhala Unicode Converter	Convert Sinhala Unicode text to DL-Malathi, DL-Manel, FM-Abhaya, FM-Malithi and other legacy font encodings	sinhaladl-malathidl-manel