142 local browser tools

Useful tools, organized for fast work.

Search across every utility, filter by category, and open the exact tool you need. Files and pasted data stay in your browser.

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5Categories

15 tools

PDF Tools

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Compress PDF to 100KB

Try to compress a PDF toward 100KB in the browser.

Compress PDF to 1MB

Try to compress a PDF toward a 1MB file size.

Compress PDF to 200KB

Try to reduce a PDF toward a 200KB target.

Compress PDF to 500KB

Compress PDF files to approximately 500KB size. Reduce file size for easier email sharing, storage, and web distribution — all processing happens locally.

Image to PDF

Convert one or more images into a PDF file in your browser.

PDF Compressor

Structurally compress PDF files to reduce file size — no image re-encoding.

PDF Merger

Combine multiple PDF files into one — reorder pages before merging.

PDF Metadata Viewer

View PDF metadata: title, author, creation date, page count, and more.

PDF OCR - Scanned PDF to Text

Extract text from scanned PDFs with OCR that runs entirely in your browser.

PDF Page Rotator

Rotate all pages or specific page ranges in a PDF by 90, 180, or 270 degrees.

PDF Page Splitter

Split a PDF into individual pages or extract a page range.

PDF Text Extractor

Extract all text from a PDF file directly in your browser.

PDF to Image

Convert PDF pages to PNG images locally in your browser.

PDF Watermark

Add a text watermark to every page of a PDF with custom font, opacity, and rotation.

Searchable PDF Converter (OCR)

Make a scanned PDF selectable and searchable by adding an invisible OCR text layer.

26 tools

Image / Inspection

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AI Image Checker

Inspect images for AI-generation signals and metadata clues.

Color Palette Extractor

Extract dominant colors from an image in your browser.

Compress Image to 100KB

Reduce an image toward 100KB directly in your browser.

Compress Image to 200KB

Compress images to exactly 200KB for various use cases. Supports PNG, JPG, WebP formats. Reduce file size while maintaining acceptable quality — all locally.

Compress Image to 50KB

Try to compress a JPG, PNG, or WebP image toward 50KB.

Compress JPG to 100KB

Compress JPG images to exactly 100KB while preserving quality. Reduce file size for web, email, and social media sharing. All processing stays local in your browser.

Compress PNG to 100KB

Compress PNG images to exactly 100KB without visible quality loss. Reduce file size for faster web loading, email sharing, and mobile optimization — all locally in your browser.

Compress WebP to 100KB

Compress WebP images to exactly 100KB for optimal web performance. Convert and compress modern image format without server uploads. All work done locally.

EXIF Viewer

View EXIF metadata from images including camera info, GPS location, timestamps, and technical specifications. Extract all metadata locally without uploads.

Favicon Generator

Generate favicons at all standard sizes from an image or text/emoji — download as ZIP.

Image Color Picker

Hover over any image to pick colors — click to pin them to a palette.

Image Crop

Crop images to a custom area or preset aspect ratio in your browser.

Image Filters

Apply grayscale, sepia, invert, and high contrast filters to images — download results.

Image Flip & Rotate

Flip and rotate images using canvas transforms — download the result as PNG.

Image Format Converter

Convert images between PNG, JPG, and WebP with quality control — all in the browser.

Image Metadata Viewer

Extract comprehensive metadata from images (EXIF, IPTC, XMP). View file info, camera settings, location data, and timestamps locally.

Image Optimizer

Compress and optimize images without visible quality loss in your browser.

Image Resizer

Resize images to exact dimensions or by percentage in your browser.

Image to Text (OCR)

Extract text from images with OCR that runs entirely in your browser.

JPG to Text (OCR)

Extract text from JPG photos and images with in-browser OCR.

PNG to Text (OCR)

Extract text from PNG images with in-browser OCR.

QR Code Generator

Generate QR codes for links, text, emails, or contact details.

QR Code Reader

Read QR codes from an image directly in your browser.

Screen Color Picker

Pick colors from the screen using the browser EyeDropper API.

Screenshot to Text (OCR)

Copy the text out of any screenshot with in-browser OCR.

SVG to PNG Converter

Convert SVG markup or files into PNG images locally.

54 tools

Developer Tools

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.dockerignore Generator

Generate .dockerignore rules to exclude unnecessary files from Docker images. Keep builds fast and images lean by specifying what Docker should ignore during COPY commands and build context.

.gitignore Generator

Generate .gitignore files from templates for popular frameworks and languages (Node.js, Python, React, .NET, Go). Copy-paste ready for your project with no manual configuration needed.

.htaccess Redirect Generator

Generate .htaccess redirect rules for Apache servers. Create 301 permanent and 302 temporary redirects visually.

Aspect Ratio Calculator

Calculate, simplify, and scale aspect ratios with a live visual preview.

Barcode Generator

Generate Code 128 barcodes from text directly in your browser.

Base64 Encoder / Decoder

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

Binary Text Converter

Convert plain text to binary and binary back to readable text.

chmod Calculator

Convert Unix permissions between rwx and octal notation.

Color Converter

Convert colors between HEX, RGB, HSL, HSV, and CMYK formats.

Color Shades Generator

Generate lighter and darker shades from a base color.

Content Security Policy Generator

Build a starter Content Security Policy (CSP) header with preset rules for common scenarios. Understand CSP directives, generate production-ready headers, and improve website security against injection attacks.

Contrast Checker (WCAG)

Check foreground/background color contrast against WCAG AA and AAA accessibility standards.

Cron Parser

Explain and validate cron expressions in plain English. Decode complex scheduling patterns into readable descriptions. Perfect for understanding cron jobs in Linux, Docker, Kubernetes, and CI/CD pipelines.

CSS Border Radius Generator

Generate CSS border-radius with individual corner control and a live preview.

CSS Box Shadow Generator

Generate CSS box-shadow with live preview — layer multiple shadows for complex effects.

CSS Clamp Generator

Generate CSS clamp() functions for responsive sizing. Create fluid typography and spacing that scales between breakpoints.

CSS Formatter

Format and minify CSS code instantly in your browser.

CSS Gradient Generator

Generate linear or radial CSS gradients with multiple color stops and a live preview.

CSS Minifier

Minify CSS code to reduce file size. Remove whitespace, comments, and unnecessary characters while preserving functionality.

CSS Unit Converter

Convert px, rem, em, percent, vw, and vh values quickly.

Diff Viewer

Compare two pieces of text or code side-by-side. Highlight additions, deletions, and changes for code review, text comparison, and version control workflows.

Dummy Data Generator

Generate sample names, emails, IDs, and rows for testing.

Hash Generator

Compute SHA-1, SHA-256, and SHA-512 hashes for text or files in your browser.

Hex Dump Viewer

Convert files or text to hexadecimal dump format. View binary data as hex codes with ASCII preview. Useful for debugging, data inspection, and low-level analysis.

HTML Entities Encoder / Decoder

Encode special characters to HTML entities or decode entity strings back to text.

HTML Formatter

Format, indent, and clean up HTML snippets in your browser.

HTML Minifier

Minify HTML snippets by removing comments and extra whitespace.

HTTP Status Codes

Look up HTTP status codes and what they mean.

JSON Flattener

Flatten nested JSON objects into a single level with dot-notation keys. Convert complex nested structures into simple key-value pairs.

JSON Formatter

Format, validate, and inspect JSON directly in your browser.

JSON Path Extractor

Extract specific values from JSON using JSONPath expressions. Query and filter JSON data with XPath-like syntax for powerful data extraction.

JSON Schema Generator

Generate JSON Schema from sample JSON data automatically. Create schema definitions for validation, documentation, and API contracts.

JWT Decoder

Decode and inspect JWT tokens — header, payload, and expiration status.

Keyword Density Checker

Find repeated keywords and phrase density in pasted text.

Luhn Validator

Validate card-like numbers (credit cards, SSN, etc.) using the Luhn algorithm checksum. Detect invalid formats before processing — all validation runs locally in your browser without uploads.

Markdown Preview

Preview Markdown as formatted HTML in real-time. Write and preview Markdown syntax instantly to see how it renders without external tools.

Meta Tag Generator

Generate SEO title, description, canonical, and social meta tags.

Meta Tags Analyzer

Analyze and validate HTML meta tags on web pages. Check title, description, Open Graph, Twitter cards, and other metadata.

MIME Type Lookup

Find common MIME types from file extensions instantly. Perfect for API development, file uploads, content-type headers, and working with different file formats and media types.

Open Graph Checker

Preview and validate Open Graph tags from pasted HTML.

Open Graph Tag Generator

Generate Open Graph meta tags for social media sharing. Create proper OG tags for URLs to control how content appears on Facebook, Twitter, LinkedIn.

Random String Generator

Generate cryptographically random strings with custom length and character sets.

Regex Tester

Test and debug regular expressions with live match highlighting and group details.

Robots.txt Generator

Create robots.txt rules and sitemap references for a website.

Sitemap XML Generator

Generate XML sitemaps from URLs or website crawling. Create sitemap files for search engine submission and crawl optimization.

SQL Formatter

Format SQL queries with readable line breaks and consistent indentation. Convert single-line SQL into clean, maintainable code — useful for query review, documentation, and collaboration.

ULID Generator

Generate sortable ULID (Universally Unique Lexicographically Sortable Identifiers) locally in your browser. Useful for databases, distributed systems, and applications needing sortable unique IDs without server calls or external dependencies.

URL Encoder / Decoder

Encode or decode URLs and URL components using encodeURIComponent or encodeURI.

URL Parser

Break a URL into protocol, host, path, query, and hash parts.

URL Query Builder

Build complete URLs from key-value query parameters visually. Add, remove, or modify UTM tags, API parameters, and search filters without manual URL encoding. Export clean URLs ready to use.

User-Agent Parser

Parse browser, OS, device, and engine hints from a user-agent.

UUID Generator

Generate random UUIDs (version 1, 3, 4, 5) or GUIDs instantly. Create unique identifiers for databases, APIs, and distributed systems locally without server calls.

UUID Validator

Validate UUID strings and check format correctness. Verify UUIDs from databases, APIs, and logs. Display UUID version and format information.

XML Formatter

Format and indent XML documents with custom indentation levels. Fix malformed XML, normalize whitespace, and validate structure. All processing happens locally in your browser — no data uploads.

41 tools

Data Tools

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Age Calculator

Calculate exact age in years, months, and days from a date of birth.

BMI Calculator

Calculate BMI in metric or imperial units with category and healthy weight range.

CSV Cleaner

Preview, clean, and normalize CSV files locally in your browser.

CSV Column Extractor

Extract a single CSV column by header name or index.

CSV Delimiter Converter

Convert CSV rows to TSV, semicolon, or pipe-delimited text.

CSV to JSON Converter

Convert CSV data to a JSON array of objects with delimiter auto-detection.

CSV to Markdown Table

Convert CSV data into a Markdown-formatted table instantly. Perfect for embedding data in GitHub READMEs, documentation, blogs, and technical writing.

CSV to SQL INSERT Converter

Convert CSV data into SQL INSERT statements. Specify table name and column mapping, handle data types, and generate ready-to-execute SQL — useful for bulk data import and database migrations.

Data Size Converter

Convert bytes, KB, MB, GB, and TB values instantly.

Date Difference Calculator

Calculate the exact difference between two dates in years, months, days, and more.

Duplicate Line Remover

Remove duplicate lines from any text with options for case sensitivity and whitespace trimming.

Email Validator

Validate and normalize email address syntax locally. Check format, detect common typos, and verify if an email passes basic RFC 5322 validation — all in your browser without server calls.

File Hash Calculator

Calculate SHA-1, SHA-256, and SHA-512 checksums for any file in your browser.

Find & Replace

Find and replace text with support for regular expressions and case-sensitive matching.

Instagram Caption Formatter

Format Instagram captions with proper line breaks and spacing. Clean up text, adjust line length, and prepare captions for posting.

Instagram Hashtag Extractor

Extract and deduplicate hashtags from Instagram captions. Clean up hashtag lists, remove duplicates, and prepare batches for cross-posting to other social platforms.

JSON to CSV Converter

Convert a JSON array of objects to CSV with configurable delimiter and headers.

JSON to XML Converter

Convert JSON objects into readable XML markup with proper indentation and formatting. Handle nested structures, arrays, and mixed data types. Useful for API integration, data transformation, and format conversion.

Line Sorter

Sort lines alphabetically, by length, reverse them, shuffle, or remove duplicates.

Loan Calculator

Calculate monthly payments, total cost, and interest for any loan.

Lorem Ipsum Generator

Generate lorem ipsum placeholder text by words, sentences, or paragraphs.

Markdown Table Generator

Build Markdown tables visually from headers and rows. Auto-align columns, adjust separators, and copy the table markdown ready for GitHub, blogs, documentation, and technical content.

Morse Code Encoder

Convert text to Morse code and Morse back to text.

Number Base Converter

Convert numbers between decimal, binary, octal, and hexadecimal — edit any field.

Number Formatter

Format numbers with thousands separators, decimal places, currency symbols, and notation options. Convert between number formats for different use cases.

Password Generator

Generate strong, random passwords with customizable length and character sets.

Password Strength Checker

Check password strength with entropy calculation and crack time estimation.

Percentage Calculator

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

Reading Time Estimator

Estimate reading time at slow, average, and fast speeds for any text.

Slug Generator

Convert any title or phrase into a URL-safe slug, snake_case, or dot.case.

Statistics Calculator

Calculate mean, median, mode, standard deviation, quartiles, and more from a list of numbers.

Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Text Reverser

Reverse characters, word order, or line order in any text.

Timezone Converter

Convert times instantly between any two time zones. Handle daylight saving time, see current time across multiple cities, and plan meetings across regions — all without uploading data to any server.

Unit Converter

Convert between length, weight, temperature, area, volume, and speed units.

Unix Timestamp Converter

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

UTM Builder

Build campaign URLs with UTM tracking parameters for analytics. Add source, medium, campaign, content, and term parameters visually without URL encoding. Track marketing campaigns effectively.

Word Counter

Count words, characters, sentences, paragraphs, and reading time instantly.

Word Frequency Counter

Count word frequency in text and display results as a sorted list. Analyze text to find most common words and terms.

XML to JSON Converter

Convert XML data into formatted JSON. Transform XML documents into JSON structure for easier processing and API integration.

YAML to JSON Converter

Convert YAML configuration files into formatted JSON instantly. Parse indentation-based YAML syntax, validate structure, and output clean JSON — useful for CI/CD configs, Docker Compose, Kubernetes manifests, and data migrations.

6 tools

YouTube Analysis

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