123 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.
9 tools
PDF Tools
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 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.
16 tools
Image / Inspection
Color Palette Extractor
Extract dominant colors from an image in your browser.
EXIF Viewer
View image EXIF metadata without uploading the file.
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
Inspect image dimensions, format, size, and metadata 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.
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.
SVG to PNG Converter
Convert SVG markup or files into PNG images locally.
AI Image Checker
Inspect images for AI-generation signals and metadata clues.
51 tools
Developer Tools
.dockerignore Generator
Generate .dockerignore rules for leaner Docker builds.
.gitignore Generator
Generate .gitignore files from common project templates.
.htaccess Redirect Generator
Generate Apache 301 redirect rules for URL migrations.
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 header.
Contrast Checker (WCAG)
Check foreground/background color contrast against WCAG AA and AAA accessibility standards.
Cron Parser
Explain cron expressions in plain English.
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 responsive CSS clamp() values for fluid sizing.
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 snippets by removing comments and whitespace.
CSS Unit Converter
Convert px, rem, em, percent, vw, and vh values quickly.
Diff Viewer
Compare two text blocks and highlight what changed.
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
Inspect text or file bytes as hexadecimal output.
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 into dot-path keys for analysis.
JSON Formatter
Format, validate, and inspect JSON directly in your browser.
JSON Path Extractor
Extract nested JSON values with simple dot paths.
JSON Schema Generator
Infer a starter JSON Schema from sample JSON.
JWT Decoder
Decode and inspect JWT tokens — header, payload, and expiration status.
Luhn Validator
Validate card-like numbers with the Luhn checksum.
Markdown Preview
Preview Markdown as rendered HTML while you write.
Meta Tag Generator
Generate SEO title, description, canonical, and social meta tags.
MIME Type Lookup
Find common MIME types from file extensions.
Open Graph Tag Generator
Generate Open Graph tags for better link previews.
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
Convert a list of URLs into sitemap.xml markup.
SQL Formatter
Format SQL queries with readable line breaks.
ULID Generator
Generate sortable ULID identifiers locally.
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 URLs from key-value query parameters.
User-Agent Parser
Parse browser, OS, device, and engine hints from a user-agent.
UUID Generator
Generate cryptographically random UUID v4 values in bulk.
UUID Validator
Validate UUID strings and identify the UUID version.
XML Formatter
Format and indent XML documents or snippets.
41 tools
Data Tools
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 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 table.
CSV to SQL INSERT Converter
Convert CSV rows into SQL INSERT statements.
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.
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
Clean Instagram captions and separate mentions and hashtags.
Instagram Hashtag Extractor
Extract and dedupe hashtags from Instagram captions.
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.
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 from headers and rows.
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 separators, decimals, and compact notation.
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 between common time zones.
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.
Word Counter
Count words, characters, sentences, paragraphs, and reading time instantly.
Word Frequency Counter
Count repeated words and export word frequency data.
XML to JSON Converter
Convert XML markup into JSON for easier inspection.
YAML to JSON Converter
Convert YAML config into formatted JSON.
CSV Cleaner
Preview, clean, and normalize CSV files locally in your browser.
6 tools
YouTube Analysis
YouTube Chapter Generator
Format timestamp lines into clean YouTube chapters.
YouTube Description Cleaner
Clean spacing, links, and hashtags in YouTube descriptions.
YouTube Tag Extractor
Extract hashtags and keyword candidates from YouTube text.
YouTube Title Counter
Count YouTube title length and estimate truncation risk.
YouTube URL Parser
Extract video IDs, playlist IDs, handles, and timestamps from YouTube URLs.
YouTube Watch History Analyzer
Analyze your YouTube watch history from a Google Takeout export.
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