Complete Tool Directory
Find calculators, developer helpers, PDF converters, design studios, and everyday utilities. One listing per tool, with no duplicate copies.
All Utilities
Fast, secure, browser-native computation suites.
Background Remover
Remove simple backgrounds locally, refine with brushes, and export a transparent PNG.
Unit Converter
Convert length, mass, temperature, and binary data units.
Lorem Ipsum Generator
Generate placeholder paragraphs, words, or HTML for design mockups.
Image Compressor
Reduce image size with adjustable quality and target-size controls.
Compound Interest
Future value with daily, monthly, quarterly, or annual compounding.
Mortgage Calc
Monthly mortgage payment, total interest, and payoff for a balance, rate, and term.
ROI Calculator
Measure the profitability of an investment quickly.
SIP Calculator
Wealth generation through systematic monthly investments.
Lumpsum Calculator
Project how a one-time investment can grow with compounding.
Fixed Deposit
Estimate maturity value for a fixed-rate bank deposit.
Savings Goal
Monthly deposit that grows a balance to a target by a deadline.
Retirement Corpus
Corpus that can fund inflation-adjusted spending for a chosen number of years.
Inflation Calc
Future price and purchasing-power change after a chosen inflation rate and number of years.
Loan Prepayment
Interest saved and months removed when an extra EMI or principal payment is applied.
Car Loan EMI
Reducing-balance car-loan EMI, total interest, and total amount payable.
Percentage Calculator
Find a percentage of a number or what percent one value is of another, with steps.
Percentage Change
Calculate percentage increase or decrease from an original value to a new value.
Reverse Percentage
Recover an original amount before a percentage increase or decrease.
Discount After Tax
Break down sale savings, tax on the reduced price, and the final amount.
JSON Formatter
Formats, validates, and minifies JSON, and can emit YAML or TypeScript.
Base64 Converter
Encode and decode strings to and from Base64 format.
JWT Decoder
Decode, verify and inspect JSON Web Tokens securely.
Cron Generator
Generate, parse and explain cron expression schedules.
RegExp Tester
Test and debug Regular Expressions with live highlighting.
URL Encoder
Encode and decode URLs or URI components instantly.
Bcrypt Generator
Generate and verify Bcrypt password hashes securely.
Hash Generator
Generate SHA hashes for text or files using Web Crypto APIs.
cURL Converter
Convert cURL commands into Fetch, Axios, and Python snippets.
Timestamp Converter
Convert Unix seconds, milliseconds, and date strings instantly.
JSON Diff Checker
Compare two JSON payloads and inspect exact field-level changes.
UUID Generator
Generate secure v4 UUIDs in bulk effortlessly.
Drawesome Vector Studio ✦ (by Benji Taylor)
Freehand vector drawing canvas with 7 realistic pens (pencil, ballpoint, fineliner, marker, highlighter, brush, fountain pen), area eraser, and SVG/PNG export.
ditherit ✦ Interactive ASCII & Dot Art (by Prasanjit Dey)
Convert images, videos, and GIFs into dithered dot art or ASCII with interactive physics repulsion, WebM export, and React/JS code export.
Image & Video Dither Studio
Apply retro 1-bit, Floyd-Steinberg, Bayer ordered, GameBoy, CGA, and pixel art dithering to images and videos live in browser.
WebGL GLSL Shader Studio
Interactive real-time GLSL fragment shader editor & playground. Live preview, Shadertoy uniforms, raymarching SDFs, presets, and code export.
Free Shader Background Generator
Design beautiful animated shader-based background images for wallpapers, social headers, and website hero sections.
X Tap-to-Reveal PNG Maker
Tap-to-reveal PNG for X and Twitter. Timeline preview versus opened view, brush masks, PNG8.
Split Image in 3
Crop a photo to 16:9 and split it into 3 equal vertical parts for X, Instagram, and carousels. Client-side PNG export.
Color Format Suite
Convert seamlessly between HEX, RGB, HSL and CMYK color codes with palette generation.
CSS Grid Builder
Visually build CSS Grid layouts with rows, columns, gaps, and code export.
PDF Merge Tool
Combines PDF files in the chosen order. The files stay in the browser.
PDF to Image Converter
Renders each PDF page as a PNG or JPEG in the browser.
Image to PDF Converter
Combines JPG, PNG, and WebP images into one PDF in the browser.
Split PDF & Extract Pages
Extracts selected pages or ranges with pdf-lib. The PDF is not uploaded.
Organize PDF
Reorders, rotates, and removes PDF pages, with the file kept in the browser.
Add PDF Page Numbers
Adds page numbers with pdf-lib. The PDF is not uploaded.
Watermark PDF
Draws centered Helvetica text on each page. Size, opacity, and angle can change. The color is fixed, and the PDF is not uploaded.
PDF Metadata Editor
Reads and writes PDF title, author, subject, keywords, creator, and producer with pdf-lib. The file is not uploaded.
PDF to Text
Extracts selectable text with pdf.js, one block per page. A scanned page returns no text. The PDF is not uploaded.
Bates Numbering PDF
Stamps a prefix, a zero-padded number, and a suffix in Helvetica on each page. The PDF is not uploaded.
Remove Blank Pages
Detects and removes empty or blank pages from a PDF with an adjustable sensitivity slider. Processed 100% in your browser.
Letter ↔ A4
Resize PDF pages between US Letter and ISO A4 dimensions with proportional scaling. The file is not uploaded.
Split by Bookmarks
Splits a PDF into separate chapter files using document outline bookmarks. Processing stays in your browser.
Reverse PDF Pages
Reverses the sequence of pages in a PDF document in one click. 100% private in-browser processing.
Add Blank Pages
Interleaves an empty blank page after every page of your PDF for double-sided printing or note taking.
2 Pages Per Sheet
Combines two PDF pages side-by-side onto a single sheet for compact reading and booklet printing.
Flatten PDF
Flattens interactive form fields and removes annotations to prevent accidental edits or disclosure.
EXIF Viewer & Remover
Shows photo metadata. The download strips JPEG EXIF, XMP, IPTC, and comments, or PNG metadata, without re-encoding pixels.
Image Dimensions & Ratio
Reads pixel width and height, simplifies the ratio by the greatest common divisor, and scales one side in proportion.
OCR Image to Text
Recognizes English text in JPG, PNG, and WebP images, with recognition kept in the browser.
YAML ↔ JSON
Converts YAML to JSON with yaml.load, or JSON to YAML with yaml.dump. A parse error is shown.
XML Formatter
Formats XML with DOMParser and shows the browser parsererror text when the markup is invalid.
JSON Schema Validator
Checks JSON data with AJV against a JSON Schema and lists each error path and message.
HTTP Status Lookup
Search common HTTP response codes by number, name, category, or meaning.
MIME Type Lookup
Find common MIME media types from a file extension or content type.
UTM Builder
Adds utm_source, utm_medium, and utm_campaign to an absolute URL with URLSearchParams. Term and content are optional.
Robots.txt Generator
Writes a robots.txt with a user-agent, Allow and Disallow lines, and an optional sitemap URL.
Hreflang Generator
Writes one alternate link tag per language and URL pair. It does not add the reverse tags.
Schema Markup Generator
Builds FAQ, HowTo, or Product JSON-LD. A schema.org validator is not run.
HTML Encode / Decode
Encodes &, <, >, and quotes. Decoding also accepts numeric character references. The text stays in the page.
Slug Generator
Turn a title into a lowercase hyphenated URL slug, stripping accents and punctuation.
chmod Calculator
Turns read, write, and execute checkboxes into a 3-digit octal mode and an rwx string. The command has no filename.
Contrast Checker
Measure the contrast ratio of two hex colors against WCAG AA and AAA text thresholds.
CSV ↔ JSON
Converts a headered CSV to JSON objects, or an array of objects to CSV. Cell values stay strings.
CSV to Markdown
Converts CSV or tab-separated data into aligned GitHub-flavored Markdown tables. Kept 100% in your browser.
NDJSON to CSV
Converts newline-delimited JSON (NDJSON / JSONL) files into clean tabular CSV with automatic header detection.
XML to CSV
Flattens XML elements and repeating record trees into tabular CSV format for spreadsheets. 100% private in-browser.
JSON to TypeScript
Generates clean TypeScript interfaces and type definitions from JSON data. Processed client-side.
SRT ↔ VTT
Converts between SubRip (.srt) and WebVTT (.vtt) caption formats instantly in your browser with zero uploads.
Subtitle to Text
Extracts clean dialogue and plain text transcripts from SRT or VTT subtitle files, stripping timestamps and formatting tags.
Subtitle Time Shift
Sync out-of-time subtitles by adding or subtracting milliseconds and adjusting frame rates (23.976, 24, 25, 29.97 fps).
GPX ↔ KML
Converts GPS tracks and waypoints between GPX and Google Earth KML format with zero server uploads.
GeoJSON to KML
Converts GeoJSON features (Points, LineStrings, Polygons) to Google Earth KML placemarks client-side.
CSV to KML
Converts tabular spreadsheet coordinates (latitude, longitude, name) into Google Earth KML placemarks.
Biodata Generator
Create marriage biodata PDFs with religion-based and modern templates.
Tweet Generator
Create realistic fake tweet screenshots.
Instagram Bio Generator
Creates styled text for an Instagram bio.
BMI Calculator
Track body mass index and health metrics.
Image Converter
Draws an image on a canvas and saves PNG, JPEG, or WebP. The file is not uploaded.
Image Resizer
Resize images to specific dimensions.
Scientific Calculator
Standard and scientific math operations.
Age Calculator
Age in years, months, and days from a date of birth and today's local date.
Stopwatch & Timer
Precision chronograph with laps.
Time Zone Converter
Convert dates across time zones.
QR Code Generator
Create customizable QR codes.
Snowflake Parser
Shifts a Discord snowflake 22 bits and adds the 2015 Discord epoch. The id is not sent to Discord.
CSS Minifier
Compress CSS to reduce file size.
JS Minifier
Minify and clean JavaScript code.
HTML Minifier
Optimize HTML structure.
Barcode Generator
Create custom barcodes (EAN, UPC, etc).
SQL Query Generator
Visually build SQL queries.
SQL Formatter
Beautify and debug SQL queries.
Code to Image
Create beautiful code screenshots.
Open Graph Preview
Preview pages on social media.
Gradient Generator
Create beautiful CSS gradients.
Glassmorphism Generator
Generate CSS glassmorphism effects.
Flexbox Playground
Interactively learn and test Flexbox.
CSS Button Generator
Design buttons and copy CSS code.
Text Tools
Case converter, word counter, and text cleaner.
Password Generator
Builds a password with Math.random from the selected sets. The default length is 16.
Markdown Editor
Write and preview Markdown in real-time.
Color Palette
Generate beautiful color palettes from a base color.
Meta Tag Generator
Creates title, description, and social meta tags for a page.
Box Shadow Generator
Design CSS box shadows with live preview.
Favicon Generator
Create favicons from emoji or text.
Diff Checker
Compare two texts and find differences.
GitHub Graph Simulator
Visualize merge, rebase, and git flow.
ATS Resume Generator
Create polished resumes with a live LaTeX editor and text-based PDF export.