Runs in your browser
Every small tool you need, in one fast place.
PDF, image, SEO, developer and everyday tools — no sign-up, no uploads, no waiting. Your files are processed locally on your device.
This demo, like every tool here, runs entirely on your device.
Most used
Popular tools
JSON Formatter & Validator
Format, validate, beautify and minify JSON online. Instant error messages with line numbers. Runs fully in your browser — nothing is uploaded.
TextWord & Character Counter
Count words, characters, sentences, paragraphs and estimated reading time as you type. Free, instant and private word counter.
QR & BarcodeQR Code Generator
Create free QR codes for links, text, email and WiFi. Customise colours and size, then download as PNG or SVG. Generated in your browser.
ImageImage Compressor
Compress JPG, PNG and WebP images in your browser to shrink file size while keeping quality. Files never leave your device.
PDFImage to PDF
Convert JPG, PNG and WebP images into a single PDF in your browser. Reorder pages, choose page size and orientation. Nothing is uploaded.
DeveloperBase64 Encode / Decode
Encode text to Base64 or decode Base64 back to text online. UTF-8 safe, instant, and processed locally in your browser.
Web UtilitiesPassword Generator
Generate strong, random passwords with custom length and character sets. Uses secure randomness and runs entirely in your browser.
CalculatorPercentage Calculator
Calculate percentages easily: what is X% of Y, X is what percent of Y, and percentage increase or decrease. Free online percentage calculator.
Browse
All categories
15 categories covering documents, media, code and everyday math.
PDF Tools
Convert, build and work with PDF files right in your browser.
Image Tools
Compress, resize and convert images without uploading them anywhere.
Image Compressor
Compress JPG, PNG and WebP images in your browser to shrink file size while keeping quality. Files never leave your device.
ImageImage Resizer
Resize JPG, PNG and WebP images by exact pixels or percentage while keeping aspect ratio. Fast, free and fully browser-based.
ImageImage to Base64
Convert an image to a Base64 data URI for embedding in HTML or CSS. Copy the string or ready-made <img> tag. Runs locally in your browser.
Developer Tools
Format, encode, decode and generate — the everyday dev toolbox.
JSON Formatter & Validator
Format, validate, beautify and minify JSON online. Instant error messages with line numbers. Runs fully in your browser — nothing is uploaded.
DeveloperBase64 Encode / Decode
Encode text to Base64 or decode Base64 back to text online. UTF-8 safe, instant, and processed locally in your browser.
DeveloperURL Encoder / Decoder
Encode and decode URLs and query string parameters online. Handles reserved characters and spaces. Private, browser-based, instant.
DeveloperJWT Decoder
Decode a JWT to inspect its header and payload claims online. Shows expiry in readable time. Fully client-side — tokens never leave your browser.
SEO Tools
Generate the metadata and files search engines look for.
Meta Tag Generator
Generate SEO meta tags including title, description, Open Graph and Twitter Card markup from a simple form. Copy the ready-to-use HTML.
SEORobots.txt Generator
Generate a robots.txt file with allow/disallow rules, crawl-delay and sitemap reference. Copy or download the file for your website.
Fresh
Recently added
PAN Card Validator
Validate the format of an Indian PAN (Permanent Account Number) and decode its structure — holder type and identity letters. Runs in your browser.
IndiaGST Calculator
Calculate GST in India — add GST to a base amount or extract it from a total. See CGST and SGST split across 5%, 12%, 18% and 28% slabs.
Web UtilitiesPassword Generator
Generate strong, random passwords with custom length and character sets. Uses secure randomness and runs entirely in your browser.
Date & TimeUnix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back. Supports seconds and milliseconds, local time and UTC.
ColorColor Contrast Checker
Check the contrast ratio between text and background colors against WCAG AA and AAA accessibility standards. Live preview and pass/fail results.
ColorHEX ↔ RGB Converter
Convert colors between HEX, RGB and HSL formats with a live preview. Pick a color or type a value to get all three instantly.