All browser tools

Image Tools

Resize, compare and convert images with local codecs.

PDF Studio

Reorder pages, add a signature and prepare image PDFs.

Video Studio

Import a local clip, trim the timeline and export a video on your device.

Audio Studio

Edit audio, adjust effects and export a local recording.

QR Studio

Create custom static QR codes and download an image.

Resume Studio

Prepare resumes, compare job keywords and manage local versions.

Room Planner

Check furniture sizes and plan a 2D room layout.

Whiteboard

Sketch, organise ideas and export a reusable drawing.

Calculators

Work with percentages, dates, grades and planning inputs. Check each tool’s assumptions before using a result.

Percentage Calculator

Calculate percentages, percentage change, and what percent X is of Y.

Age Calculator

Calculate elapsed calendar age between two dates.

BMI Calculator

Calculate adult body mass index from height and weight.

Tip Calculator

Calculate a percentage tip and split the total equally.

Date Difference Calculator

Compare two dates and inspect elapsed days and total time.

Number to Words

Spell ordinary decimal numbers in English.

Loan Calculator

Estimate a fixed-rate loan’s monthly payment and amortization.

Discount Calculator

Calculate a single percentage discount, discount amount or sale-price reduction.

Mortgage Calculator

Estimate fixed-rate mortgage payments and entered recurring costs.

Random Number Generator

Generate bounded random integers with optional uniqueness and sorting.

Attendance Calculator

Check your attendance and the classes needed to reach your own target.

SGPA Calculator

Calculate semester GPA using your credits and grade-point scale.

CGPA Calculator

Combine semesters or courses using credits or explicitly selected weights.

Marks Percentage Calculator

Calculate a total marks percentage across subjects with different maximum marks.

Required Marks Calculator

Find the score needed on remaining work to reach a target overall percentage.

Converters

Transform structured data, units, formats and images. Choose the meaning of the input before changing its representation.

QR Code Generator

Generate downloadable QR codes from any URL or text.

Color Converter

Convert colors between HEX, RGB, and HSL formats instantly.

Markdown to HTML

Convert common Markdown to locally sanitized HTML and inspect a preview.

CSV to JSON

Convert CSV spreadsheets or tables to structured JSON data.

Image Compressor

Compress and resize PNG, JPEG, and WebP images client-side.

Image Cropper

Crop any image to custom dimensions or preset aspect ratios.

Image Resizer

Resize images to exact dimensions while maintaining quality.

Image Format Converter

Convert a browser-decodable image to PNG, JPEG or WebP.

Image Filter

Apply basic canvas filters and export a PNG.

Image to Base64

Encode an image file’s original bytes as Base64 text.

Unit Converter

Convert between units of length, weight, temperature, speed, and more.

JSON to CSV

Convert JSON arrays and objects to CSV spreadsheet format.

YAML to JSON

Convert a documented subset of YAML mappings and scalar lists to JSON locally.

Temperature Converter

Convert a temperature reading between Celsius, Fahrenheit and kelvin.

Lbs to Kg Converter

Convert avoirdupois pounds and kilograms in either direction.

Epoch Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Text tools

Count, compare, format and inspect drafts locally. Heuristic writing checks are not factual or editorial review.

Word Counter

Count words, sentences, and paragraphs in any text instantly.

Character Counter

Count characters with and without spaces for social media limits.

Case Converter

Convert text between uppercase, lowercase, title case, and more.

Lorem Ipsum Generator

Generate placeholder text by word, sentence or paragraph count.

Text Diff Checker

Compare two texts side-by-side and highlight differences.

URL Slug Generator

Create ASCII URL slugs from one or more text lines.

Text Summarizer

Select existing English sentences using a word-frequency heuristic.

Text Analyzer

Count words and characters, estimate reading time and convert text case.

Text Humanizer

Apply local phrase replacements and simple tone rules to text.

Grammar Checker

Check English text for repeated words, selected misspellings and simple formatting issues.

Palindrome Checker

Compare text with its reversed normalized form.

Reverse Text

Reverse character order, word order or both.

Text Similarity Checker

Compare shared local word sequences in two supplied texts.

Readability Score Checker

Check readability scores like Flesch-Kincaid and Gunning Fog.

Word Cloud Generator

Generate a visual word cloud from any text online.

SEO tools

Prepare and inspect metadata, headings and structured markup. These utilities do not predict indexing, ranking or search traffic.

Meta Tag Generator

Prepare title, description, social metadata and a canonical tag.

Keyword Density Checker

Count English word occurrences in pasted text.

Sitemap Generator

Generate a sitemap XML document from URLs you enter.

Robots.txt Generator

Draft robots.txt crawler rules.

Open Graph Preview Generator

Draft Open Graph and social-card tags with a local preview.

SEO Length Checker

Count title and description characters with approximate width and snippet previews.

Canonical Tag Generator

Draft canonical and hreflang link tags.

Alt Text Checker

Inspect image alt attributes in pasted HTML.

SERP Preview Generator

Inspect an illustrative search-result card and prepare metadata.

Heading Structure Checker

Inspect H1–H6 tags in a pasted HTML string.

Schema Markup Generator

Generate JSON-LD schema markup for your web pages.

Design tools

Inspect contrast and create palettes, gradients and CSS styles. Test generated designs in their real reading context.

Color Contrast Checker

Check WCAG contrast ratios between foreground and background colors.

Color Palette Generator

Generate five HSL-based color variations from a six-digit HEX color.

Gradient Generator

Generate a two-color linear or circular radial CSS gradient.

Border Radius Generator

Create a four-corner border-radius declaration.

Utilities

Local developer and PDF utilities for encoding, formatting, extracting and assembling files.

JSON Formatter

Validate JSON syntax and format or compact it as plain text.

URL Encoder/Decoder

Encode or decode URLs and query strings for safe transmission.

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to text.

HTML Formatter

Indent or compact pasted HTML markup.

Regex Tester

Test JavaScript regular expressions and highlight matches in sample text.

PDF Merger

Combine multiple PDF files into a single document instantly.

PDF Splitter

Export selected PDF pages as separate PDF files.

PDF Compressor

Try a local PDF rewrite and compare the actual before-and-after file sizes.

PDF to Text

Extract selectable text from a PDF into plain text.

PDF to Images

Render PDF pages as downloadable PNG or JPEG images.

Password Generator

Generate strong, secure passwords with customizable options.

Hash Generator

Compute a text digest with MD5, SHA-1, SHA-256 or SHA-512.

UUID Generator

Generate random version 4 UUID identifiers.

Password Strength Checker

Inspect a password with a local heuristic strength score.

CSS Minifier

Compact simple CSS text with whitespace substitutions.

HTML Entity Converter

Encode or decode a limited set of HTML character references.

Binary Converter

Convert a non-negative integer between bases 2, 10, 16 and 8.

JWT Decoder

Decode JWT tokens and inspect header and payload.

SQL Formatter

Format and beautify SQL queries online.

HTML to Markdown Converter

Convert common HTML elements to Markdown text.

JSON to XML Converter

Map a JSON value to one explicit XML representation.