All CPI4 Tools

Tool

HEIC to JPG Converter

Convert iPhone HEIC photos into JPG images.

Tool

HEIC to PNG Converter

Convert HEIC photos into transparent-capable PNG files.

Tool

JPG to PNG Converter

Convert JPG images into PNG format.

Tool

PNG to JPG Converter

Convert PNG images into smaller JPG files.

Tool

WebP to JPG Converter

Convert WebP images for wider compatibility.

Tool

WebP to PNG Converter

Convert WebP images into PNG format.

Tool

JPG to WebP Converter

Convert JPG images into modern WebP format.

Tool

PNG to WebP Converter

Convert PNG images into optimized WebP files.

Tool

AVIF to JPG Converter

Convert AVIF images into common JPG format.

Tool

AVIF to PNG Converter

Convert AVIF images into PNG format.

Tool

Image Compressor

Reduce image file size for web and uploads.

Tool

Bulk Image Compressor

Compress multiple images at once.

Tool

Image Resizer

Resize images by width, height, or percentage.

Tool

Bulk Image Resizer

Resize many images in one browser task.

Tool

Image Cropper

Crop images to custom dimensions.

Tool

Square Image Maker

Create square images for profiles and products.

Tool

Image Rotator

Rotate images left, right, or 180 degrees.

Tool

Image Flipper

Flip images horizontally or vertically.

Tool

Image Watermark Tool

Add text or logo watermarks to images.

Tool

Image Background Remover

Remove backgrounds from uploaded images.

Tool

Transparent PNG Maker

Remove a selected color and export transparent PNG.

Tool

Image Color Picker

Pick colors from an uploaded image.

Tool

Color Palette Extractor

Generate palettes from an image.

Tool

Favicon Generator

Create favicon files from images.

Tool

ICO Converter

Convert PNG or JPG images to ICO format.

Tool

SVG to PNG Converter

Convert SVG graphics into PNG images.

Tool

PNG to SVG Tracer

Trace simple PNG images into SVG paths.

Tool

Image to Base64 Converter

Convert image files into Base64 strings.

Tool

Base64 to Image Converter

Decode Base64 data into downloadable images.

Tool

EXIF Viewer

View camera and metadata inside photos.

Tool

EXIF Remover

Strip metadata from image files.

Tool

Meme Generator

Create memes with top and bottom text.

Tool

Photo Filter Tool

Apply grayscale, blur, brightness, and contrast filters.

Tool

Passport Photo Maker

Crop and size photos for passport requirements.

Tool

Collage Maker

Combine multiple images into a collage.

Tool

PDF Compressor

Reduce PDF size when possible.

Tool

Merge PDF

Combine multiple PDFs into one file.

Tool

Split PDF

Extract selected pages into a new PDF.

Tool

PDF Page Extractor

Download individual pages from a PDF.

Tool

PDF Page Reorder

Rearrange PDF page order.

Tool

PDF Page Rotator

Rotate selected PDF pages.

Tool

Delete PDF Pages

Remove unwanted pages from a PDF.

Tool

JPG to PDF Converter

Convert one or more JPG images into PDF.

Tool

PNG to PDF Converter

Convert PNG images into a PDF document.

Tool

Images to PDF Converter

Combine multiple image formats into one PDF.

Tool

PDF to JPG Converter

Convert PDF pages into JPG images.

Tool

PDF to PNG Converter

Convert PDF pages into PNG images.

Tool

PDF to Text Converter

Extract plain text from PDF documents.

Tool

PDF to Word Converter

Convert readable PDF content into editable Word-style output.

Tool

Word to PDF Converter

Convert DOCX or document text into PDF.

Tool

PDF to Excel Converter

Extract tables from PDFs into spreadsheet format.

Tool

Excel to PDF Converter

Convert spreadsheet tables into PDF.

Tool

PDF to PowerPoint Converter

Convert PDF pages into presentation slides.

Tool

PowerPoint to PDF Converter

Convert presentation slides into PDF.

Tool

HTML to PDF Converter

Convert a webpage or HTML code into PDF.

Tool

Text to PDF Converter

Create a PDF from typed or pasted text.

Tool

PDF Watermark Tool

Add text watermark to PDF pages.

Tool

PDF Page Numberer

Add page numbers to a PDF.

Tool

PDF Password Protector

Encrypt a PDF with a password.

Tool

PDF Unlock Tool

Remove known-owner password restrictions from PDFs.

Tool

PDF Metadata Viewer

Inspect PDF title, author, and metadata.

Tool

PDF Metadata Editor

Update PDF metadata fields.

Tool

PDF OCR Tool

Extract text from scanned PDF pages.

Tool

PDF Form Filler

Fill simple PDF form fields.

Tool

PDF Signature Tool

Add a drawn or uploaded signature to PDF.

Tool

PDF Redaction Tool

Cover sensitive text or areas in PDF pages.

Tool

Word Counter

Count words, characters, sentences, and paragraphs.

Tool

Character Counter

Count characters with and without spaces.

Tool

Sentence Counter

Count sentences in pasted text.

Tool

Paragraph Counter

Count paragraphs in long text.

Tool

Text Case Converter

Convert text to upper, lower, title, and sentence case.

Tool

Remove Duplicate Lines

Remove repeated lines from text.

Tool

Sort Lines Tool

Sort lines alphabetically or numerically.

Tool

Reverse Text Tool

Reverse characters or line order.

Tool

Text Diff Checker

Compare two text blocks and show differences.

Tool

Text Cleaner

Remove extra spaces, tabs, and blank lines.

Tool

Slug Generator

Convert titles into SEO-friendly URL slugs.

Tool

Lorem Ipsum Generator

Generate placeholder text.

Tool

Reading Time Calculator

Estimate reading time from text.

Tool

Readability Checker

Score content readability.

Tool

Keyword Density Checker

Count keyword frequency in content.

Tool

Text to Speech Tool

Convert written text into spoken audio.

Tool

Speech to Text Tool

Convert spoken audio into editable text.

Tool

Markdown Editor

Write and preview Markdown content.

Tool

Markdown to HTML Converter

Convert Markdown into HTML.

Tool

HTML to Markdown Converter

Convert HTML into Markdown.

Tool

CSV to Table Viewer

Display CSV data as a table.

Tool

CSV to JSON Converter

Convert CSV rows into JSON.

Tool

JSON to CSV Converter

Convert JSON arrays into CSV.

Tool

XML to JSON Converter

Convert XML data into JSON.

Tool

JSON to XML Converter

Convert JSON data into XML.

Tool

YAML to JSON Converter

Convert YAML into JSON.

Tool

JSON to YAML Converter

Convert JSON into YAML.

Tool

Text Encryptor

Encrypt text with a password.

Tool

Text Decryptor

Decrypt password-protected text.

Tool

Morse Code Translator

Convert text to and from Morse code.

Tool

Binary Text Converter

Convert text to binary and binary to text.

Tool

ASCII Converter

Convert characters to ASCII codes.

Tool

Unicode Converter

Convert text to Unicode escape sequences.

Tool

JSON Formatter

Format and beautify JSON data.

Tool

JSON Validator

Validate JSON and show syntax errors.

Tool

JSON Minifier

Compress JSON by removing whitespace.

Tool

JSON Viewer

Explore JSON in a readable tree.

Tool

JSON Diff Tool

Compare two JSON objects.

Tool

URL Encoder Decoder

Encode and decode URL strings.

Tool

HTML Entity Encoder

Encode HTML special characters.

Tool

HTML Entity Decoder

Decode HTML entities into readable text.

Tool

Base64 Encoder

Encode text into Base64.

Tool

Base64 Decoder

Decode Base64 into plain text.

Tool

JWT Decoder

Decode JWT header and payload.

Tool

JWT Generator

Create signed JWT tokens for testing.

Tool

UUID Generator

Generate random UUID v4 values.

Tool

ULID Generator

Generate sortable ULID identifiers.

Tool

Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes.

Tool

MD5 Generator

Generate MD5 hashes for non-security checks.

Tool

HMAC Generator

Generate HMAC signatures from text and a secret.

Tool

Password Generator

Generate secure random passwords.

Tool

Password Strength Checker

Check password length and complexity.

Tool

Regex Tester

Test regular expressions against sample text.

Tool

Regex Explainer

Explain common regular expression patterns.

Tool

Cron Generator

Build cron expressions from schedule choices.

Tool

Cron Parser

Explain what a cron expression means.

Tool

Timestamp Converter

Convert Unix timestamps to readable dates.

Tool

Date Difference Calculator

Calculate time between two dates.

Tool

Time Zone Converter

Convert time between time zones.

Tool

SQL Formatter

Beautify SQL queries.

Tool

SQL Minifier

Compress SQL into compact format.

Tool

CSS Formatter

Beautify CSS code.

Tool

CSS Minifier

Compress CSS for production.

Tool

JavaScript Formatter

Beautify JavaScript code.

Tool

JavaScript Minifier

Compress JavaScript code.

Tool

HTML Formatter

Beautify HTML markup.

Tool

HTML Minifier

Compress HTML markup.

Tool

XML Formatter

Beautify XML data.

Tool

XML Minifier

Compress XML markup.

Tool

Code Diff Tool

Compare two code snippets.

Tool

API Request Builder

Build and test HTTP API requests.

Tool

HTTP Header Checker

Inspect response headers for a URL.

Tool

DNS Lookup Tool

Lookup DNS records for a domain.

Tool

WHOIS Lookup Tool

Lookup domain ownership and registration data.

Tool

SSL Certificate Checker

Check certificate issuer, expiry, and validity.

Tool

Robots.txt Tester

Test URLs against robots.txt rules.

Tool

Robots.txt Generator

Generate crawler rules for websites.

Tool

Sitemap Generator

Generate XML sitemap entries.

Tool

Meta Tag Generator

Create title, description, and social tags.

Tool

Meta Tag Analyzer

Check meta tags on a webpage.

Tool

SERP Preview Tool

Preview Google-style title and description snippets.

Tool

Open Graph Preview

Preview link cards for social sharing.

Tool

Twitter Card Preview

Preview Twitter/X card metadata.

Tool

Schema Markup Generator

Create JSON-LD schema markup.

Tool

FAQ Schema Generator

Generate FAQPage structured data.

Tool

Breadcrumb Schema Generator

Generate breadcrumb JSON-LD.

Tool

Local Business Schema Generator

Generate local business structured data.

Tool

Article Schema Generator

Generate article structured data.

Tool

Product Schema Generator

Generate product structured data.

Tool

Canonical Tag Checker

Check canonical URL configuration.

Tool

Hreflang Tag Generator

Generate hreflang tags for multilingual pages.

Tool

Keyword Suggestion Tool

Generate keyword ideas from a seed topic.

Tool

Keyword Clustering Tool

Group related keywords by intent.

Tool

Title Generator

Generate SEO-friendly page titles.

Tool

Blog Outline Generator

Create article outlines from a topic.

Tool

UTM Builder

Generate campaign tracking URLs.

Tool

QR Code Generator

Create QR codes for URLs or text.

Tool

WiFi QR Code Generator

Create WiFi login QR codes.

Tool

vCard QR Code Generator

Create contact-card QR codes.

Tool

Barcode Generator

Generate common barcode images.

Tool

Random Number Generator

Generate random numbers in a range.

Tool

Random Name Picker

Pick a random name from a list.

Tool

Random Team Generator

Split names into random teams.

Tool

Dice Roller

Roll virtual dice.

Tool

Coin Flip Tool

Flip a virtual coin.

Tool

Countdown Timer

Run a countdown timer.

Tool

Stopwatch

Measure elapsed time.

Tool

Pomodoro Timer

Run focused work and break sessions.

Tool

Age Calculator

Calculate age from date of birth.

Tool

BMI Calculator

Calculate body mass index.

Tool

BMR Calculator

Estimate basal metabolic rate.

Tool

Calorie Calculator

Estimate daily calorie needs.

Tool

Water Intake Calculator

Estimate daily water needs.

Tool

Pregnancy Due Date Calculator

Estimate pregnancy due date.

Tool

Percentage Calculator

Calculate percentages and percentage changes.

Tool

Discount Calculator

Calculate sale price after discount.

Tool

Tip Calculator

Split bills and tips.

Tool

Loan EMI Calculator

Calculate loan monthly payments.

Tool

Mortgage Calculator

Estimate mortgage payments.

Tool

Compound Interest Calculator

Calculate compound investment growth.

Tool

Simple Interest Calculator

Calculate simple interest.

Tool

ROI Calculator

Calculate return on investment.

Tool

Profit Margin Calculator

Calculate margin and markup.

Tool

Break-Even Calculator

Calculate break-even units or revenue.

Tool

Salary to Hourly Calculator

Convert salary into hourly pay.

Tool

Hourly to Salary Calculator

Convert hourly wage into annual salary.

Tool

Paycheck Calculator

Estimate net pay from gross pay.

Tool

Tax Calculator

Estimate tax from income or price.

Tool

VAT Calculator

Add or remove VAT from prices.

Tool

Currency Converter

Convert between currencies.

Tool

Crypto Profit Calculator

Calculate crypto profit or loss.

Tool

Stock Profit Calculator

Calculate stock trade profit or loss.

Tool

Unit Converter

Convert length, weight, volume, and temperature units.

Tool

Length Converter

Convert meters, feet, inches, miles, and kilometers.