Online Tools That Just Work

Format, convert, generate, validate — dozens of tools in your browser.

No signup. No tracking. Most processing happens in your browser.

102+ Tools

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Tools by category

Pick a tool below. Most run in your browser; nothing is stored.

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Encoding Tools

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 to text. URL-safe mode and copy output.

URL Encoder / Decoder

Encode or decode URL components and query strings. Handles special characters.

HTML Entity Encoder / Decoder

Encode or decode HTML entities. Auto-detect and copy result.

Number Base Converter

Convert between binary, octal, decimal, and hexadecimal.

Security Tools

JWT Decoder

Decode JWT header and payload, view expiry and validity.

Bcrypt Generator & Verifier

Generate hashes and verify passwords (server-side).

UUID Generator & Validator

Generate UUID v4 and validate. Bulk 1–1000, export TXT/CSV.

Random String Generator

Generate random strings. Length, uppercase, lowercase, numbers, symbols.

Password Generator

Generate strong passwords. Length, symbols, strength meter.

Hash Generator

MD5, SHA-1, SHA-256, SHA-512 hashes from text.

Unix Permission Calculator

Visual chmod checkboxes to octal and symbolic permissions.

JWT Encoder

Create HS256 JWTs with header, payload, and secret (Web Crypto).

HMAC Generator

Generate HMAC-SHA256 or HMAC-SHA1 with a secret key.

Data Transformation Tools

JSON Formatter & Validator

Format, minify, and validate JSON with error messages and line numbers.

SQL Formatter

Beautify SQL with indentation and uppercase keywords.

CSV Header Validator

Detect duplicate or empty headers and column count issues.

Regex Tester

Test regex patterns, highlight matches, and show capture groups.

Timestamp Converter

Unix timestamp to date, date to timestamp, timezone, current time.

Color Converter

Convert HEX, RGB, HSL. Color preview and copy.

JSON Diff Tool

Compare two JSON objects. See added, removed, changed.

Text Diff Checker

Compare two text blocks. Highlight additions and deletions.

JSON ↔ PHP Array Converter

Convert JSON to PHP array syntax and PHP array to JSON.

Lorem Ipsum Generator

Generate paragraphs, sentences, or words.

Case Converter

UPPERCASE, lowercase, camelCase, PascalCase, snake_case, kebab-case.

Text Statistics

Word count, character count, sentence count, reading time.

SQL Query Generator

Build SELECT with table, columns, WHERE, LIMIT.

Git Command Cheat Sheet

Quick reference for Git commands: setup, commit, branch, remote, stash, undo, and more.

YAML Formatter & Validator

Format and validate YAML in your browser.

Scheduling Tools

Cron Expression Builder

Cron to human-readable text. Interactive builder and presets.

API / Network Tools

HTTP Header Inspector

Inspect status, headers, redirects, and CORS for any URL.

IP Address Lookup

Look up country, ISP, and location for an IP.

IP Subnet Calculator

Subnet mask, network, broadcast, host range from IP/CIDR.

HTTP Status Code Lookup

Look up HTTP status codes with meanings and when to use them.

User-Agent Parser

Parse browser user-agent strings into browser, OS, and device info.

MIME Type Lookup

Search common MIME types by file extension or type string.

Markup Tools

CSS Minifier / Formatter

Format or minify CSS. Remove comments. Copy result.

JavaScript Minifier / Formatter

Beautify or minify JavaScript. Copy result.

HTML Formatter & Minifier

Pretty format or minify HTML. Indentation control and optional comment removal.

Markdown Preview

Write Markdown, see rendered preview side by side.

XML Formatter & Minifier

Pretty-print or minify XML with indentation control.

robots.txt Generator

Build a robots.txt from allow/disallow rules and sitemap URL.

Meta Tag Generator

Generate HTML meta and Open Graph tags from title and description.

Codes & Labels

QR Code Generator

Generate QR codes for URL, text, vCard contact, email, or phone. Download as PNG.

QR Code Reader

Decode QR codes from an uploaded image in your browser.

Barcode Generator

Generate Code128, EAN-13, UPC, or Code39 barcodes and download as PNG.

Converters

File Utilities

Convert between JSON, CSV, and XML. JSON↔CSV, CSV↔JSON, XML↔JSON.

YAML ↔ JSON Converter

Convert between YAML and JSON in your browser.

Unit Converter

Convert length, weight, and temperature units.

Text & Lists

Word Counter

Count words, characters, sentences, and estimate reading time.

List Line Tools

Sort, reverse, shuffle, dedupe, trim, or number lines of text in your browser.

Typing Speed Test

Measure words per minute and accuracy with timed sample passages.

Calculators

Date & Age Calculator

Calculate age, days between dates, or add and subtract days from a date.

Working Days Calculator

Count business days between two dates, skipping weekends and holidays.

Time & Focus

Timezone Meeting Planner

Convert a meeting time across multiple timezones for scheduling.

Calendar Event (.ics) Generator

Create a downloadable .ics calendar event for Google, Outlook, or Apple Calendar.

Pomodoro Focus Timer

25/5 focus timer with breaks, optional notifications, and daily session count.

Docs & Contacts

vCard Contact Generator

Build a contact card and download a .vcf file for your address book.

Organisers

PDF Merge

Upload multiple PDFs, drag to reorder, merge into one file.

PDF Split

Split a PDF by page range or extract specific pages into a new file.

PDF Rotate

Rotate PDF pages by 90°, 180°, or 270°. Optional page range.

PDF Page Delete & Reorder

Delete pages or reorder them with a simple page list (e.g. 3,1,2).

Optimizers

PDF Compress

Re-encode a PDF to strip metadata and reduce size where possible.

PDF Watermark

Stamp semi-transparent text like DRAFT or CONFIDENTIAL on PDF pages.

PDF Password Protect

Add an open password to a PDF. Optionally allow printing or copying.

Converts

Images to PDF

Convert JPG/PNG images into a single PDF, one page per image.

PDF to Images

Convert PDF pages to PNG images (ZIP). Requires Imagick on the server.

Edit

Image Resizer & Compressor

Resize and compress images to JPEG, WebP, or PNG in your browser.

Image Cropper

Crop images to custom size or aspect ratio and download as PNG.

Image Text Watermark

Stamp text on an image with opacity and position controls.

Convert

Image ↔ Base64

Convert image files to Base64 data URLs and back.

Image Format Converter

Convert images between JPEG, PNG, and WebP with quality control.

Generate

Color Palette Extractor

Extract dominant color swatches from an image and copy HEX values.

Favicon Generator

Generate favicon PNG sizes (16–180) from an uploaded image.

CSS Generators

CSS Gradient Generator

Build linear gradients with live preview and copy-ready CSS.

Box Shadow Generator

Design CSS box-shadows with offsets, blur, spread, and inset.

CSS Clamp Calculator

Generate fluid clamp() values for responsive font sizes.

CSS Filter Playground

Tweak blur, brightness, contrast, and more; copy the filter CSS.

Layout

Aspect Ratio Calculator

Compute width, height, or CSS aspect-ratio from common presets.

Everyday Money

Tip & Bill Splitter

Calculate tip and split a bill evenly among any number of people.

Percentage Calculator

Find X% of Y, reverse percentages, and percent change between two numbers.

Salary ↔ Hourly Converter

Convert between hourly, weekly, monthly, and yearly pay.

VAT / Tax Calculator

Add or extract VAT/sales tax from a price.

Loans

Loan EMI Calculator

Estimate monthly EMI, total interest, and total payment for a loan.

Savings & Interest

Compound Interest Calculator

Project savings growth with compound interest over time.

Analyze

Reading Level Checker

Estimate Flesch Reading Ease and grade level for any text.

Keyword Density Checker

Analyze word frequency and focus-keyword density in text.

Meta Length Checker

Check SEO title and meta description character lengths.

Format

Citation Formatter

Format references in APA and MLA styles and copy them.

Body Metrics

BMI Calculator

Calculate Body Mass Index from height and weight (not medical advice).

BMR & TDEE Calculator

Estimate basal metabolic rate and daily calorie needs (not medical advice).

Lifestyle

Sleep Cycle Calculator

Suggest bed or wake times based on 90-minute sleep cycles.

Running Pace Calculator

Convert between distance, time, and pace for runs.

Academic Calculators

GPA Calculator

Calculate GPA on a 4.0 scale from course credits and grades.

Study Aids

Flashcard Maker

Create, study, and export flashcards stored locally in your browser.

Study Timer

Countdown study sessions with optional breaks and an end beep.

Audio

Audio Recorder

Record microphone audio in the browser and download the file.

Tone Generator

Play test tones with adjustable frequency and waveform.

Audio File Info

Inspect audio file duration, size, and format locally.

Data

CSV Table Viewer

Paste or upload CSV and view it as a searchable HTML table.

Spreadsheet Formula Helper

Browse common spreadsheet formulas with syntax and examples.

Documents

Invoice Generator

Fill a simple invoice form and print a clean HTML invoice.

Markdown Print Preview

Write Markdown, preview HTML, and print a clean document.

Why choose GetCodify

Built for speed, privacy, and simplicity. Every tool works when you need it.

Lightning Fast

Most tools run entirely in your browser. No server round-trips, no waiting. Get results in seconds.

Privacy by Default

Your data never leaves your browser unless a tool explicitly requires server processing (like bcrypt). No analytics, no tracking.

Mobile Friendly

Touch-optimized UI with responsive layouts. Use any tool on your phone, tablet, or desktop.

Dark Mode

Easy on the eyes with automatic dark mode. Respects your system preference or toggle manually.

No Database

Nothing you type is stored anywhere. Refresh the page and it's gone. Your data, your control.

Growing Collection

New tools added regularly. From encoding and formatting to QR codes and file converters — all in one place.