OneClickly - 100+ Free Premium Online Tools

Access over 100+ premium online tools for PDF operations, image compression and conversion, text writing utilities, mathematical converters, and web developer tools. Works 100% in your browser.

All Tools

• PDF Merger - Combine multiple PDF files into a single document in your desired order.
• PDF Compressor - Reduce the file size of your PDFs while maintaining quality.
• PDF to JPG - Extract pages from a PDF and convert them into separate JPG images.
• Image to PDF - Convert images (JPG, PNG) into a high-quality PDF document.
• PDF Splitter - Split a PDF into multiple documents by specifying page ranges.
• Word to PDF - Convert Word documents (.docx, .doc) into high-quality PDFs.
• Rotate PDF - Rotate pages within a PDF document by 90, 180, or 270 degrees.
• PDF Text to PowerPoint Slides - Extract text from each PDF page into an editable PowerPoint slide (text only - original layout, images, and design are not preserved).
• Protect PDF - Add strong password encryption to protect your PDF files.
• PDF Watermark Adder - Add text watermarks onto PDF pages with custom position.
• PDF Page Numbering - Add page numbers to your PDF files.
• Remove PDF Pages - Delete specific pages from a PDF document, keeping the rest intact.
• Crop PDF Page - Trim the margins of every page in a PDF by a custom amount.
• Extract Images from PDF - Pull out the embedded images inside a PDF as separate PNG files.
• Text to PDF - Convert plain text or a .txt file into a formatted PDF document.
• Merge PDF and Image - Combine PDF files and JPG/PNG images together into a single PDF, in any order.
• HTML to PDF - Convert HTML files or website pages to printable PDF files.
• PPT to PDF - Convert PowerPoint slide decks into high-quality PDFs.
• PDF to HTML - Convert PDF files into formatted web HTML documents.
• Image Resizer & Compressor - Simultaneously shrink dimensions and compress the file size of your photos in a single action for maximum web optimization.
• Image Compressor - Compress JPEG, PNG, or WebP images to reduce size without losing quality.
• Image Resizer - Resize images to custom width and height dimensions.
• Image Color Picker - Upload an image and extract color codes (HEX, RGB) from any pixel.
• PNG to JPG Converter - Convert PNG images to JPG format securely with quality control.
• Image Cropper - Crop images to custom aspect ratios.
• Image Rotator - Rotate images by 90, 180, or 270 degrees using canvas rotation.
• Grayscale Converter - Convert colorful images to black and white/grayscale.
• JPG to PNG Converter - Convert JPG images to PNG format securely.
• SVG to PNG Converter - Convert vector SVG files into high-resolution PNG images.
• Watermark Adder - Overlay a text watermark onto your images.
• WebP to PNG Converter - Convert WebP images to PNG format instantly.
• Image Flip - Flip your images horizontally or vertically.
• Blur Image - Apply canvas blur filters to obscure details in photos.
• Meme Generator - Create custom memes by adding top and bottom text overlays.
• WebP to JPG Converter - Convert WebP images to JPG format instantly.
• GIF Maker - Compile multiple images into a slideshow sequence.
• Pixelate Image - Convert standard images into pixel art style securely in your browser.
• Image Rounded Corners - Apply border radius clipping filters to images to get rounded corners.
• Invert Image Colors - Invert pixel color vectors of your images.
• Word Counter - Count total words, characters, sentences, paragraphs, and reading time.
• Character Counter - Check character counts with and without spaces for tweets, SEO, and meta tags.
• Text Case Converter - Convert text to UPPERCASE, lowercase, Title Case, Sentence Case, or camelCase.
• Remove Duplicate Lines - Clean up lists or text by stripping away duplicate lines instantly.
• Text Reverser - Reverse sentences, words, or individual characters easily.
• Palindrome Checker - Verify if a word, phrase, or number reads the same backward as forward.
• Text Diff / Compare - Compare two text snippets side-by-side to highlight differences.
• Whitespace Remover - Remove extra spaces, tabs, and empty lines from your text.
• Text to Speech - Read text aloud using advanced speech synthesis in multiple voices.
• Speech to Text (Dictation) - Transcribe your voice into text in real-time using speech recognition.
• Voice & Audio Recorder - Record high-quality audio from your microphone entirely in your browser.
• Fancy Text Generator - Generate stylish fonts, symbols, and text modifications for social media profiles.
• URL Slug Generator - Convert titles and phrases into SEO-friendly, URL-safe slugs.
• Lorem Ipsum Generator - Generate dummy placeholder text in paragraphs, sentences, or lists.
• Emoji Text Converter - Translate keywords inside your text to appropriate emoji characters.
• Text Repeater - Repeat a text string or word multiple times with optional separators.
• Find and Replace Tool - Search for specific words or patterns in your text and replace them.
• Text Sorter (A-Z) - Sort list items alphabetically (A-Z, Z-A), numerically, or by length.
• Binary to Text / Text to Binary - Convert plain text to binary code representation and vice versa.
• Morse Code Converter - Translate text to Morse code and decode Morse code back to readable text.
• Markdown to HTML Converter - Convert Markdown text syntax into standard formatted HTML code markup instantly.
• Age Calculator - Calculate exact age in years, months, weeks, days, hours, and minutes.
• Percentage Calculator - Calculate percentage increases, decreases, fractions, and proportions.
• Unit Converter - Convert lengths, weights, areas, temperatures, volumes, and time units.
• Time Zone Converter - Compare and convert times between different global time zones.
• Date Difference Calculator - Find the total duration and days count between two selected dates.
• Tip Calculator - Calculate the tip amount and split the bill among multiple people easily.
• Discount Calculator - Calculate final price, savings amount, and original cost after discounts.
• Fuel Cost Calculator - Calculate total fuel cost and consumption based on distance and fuel price.
• Roman Numeral Converter - Convert standard numbers into Roman numerals and vice-versa.
• Number to Words - Convert standard numerical formats into written word descriptions.
• Binary/Hex/Octal Converter - Convert numbers between decimal, binary, octal, and hexadecimal bases.
• Speed Calculator - Calculate speed, distance, or time using various standard units.
• Sleep Calculator - Calculate optimal times to wake up or go to bed to feel refreshed.
• Aspect Ratio Calculator - Calculate proportional dimensions and aspect ratio scaling factors instantly.
• JSON Formatter & Validator - Format, validate, prettify, and parse raw JSON data.
• JSON to CSV Converter - Convert nested JSON structures into tabular CSV data.
• CSV to JSON Converter - Convert raw CSV tabular files into formatted JSON objects.
• HTML Formatter - Format and beautify nested HTML structures to improve readability.
• CSS Minifier - Compress and minify CSS code to decrease load sizes.
• JavaScript Minifier - Minify and optimize JavaScript source code by stripping whitespace and comments.
• Base64 Encoder/Decoder - Encode plain text string to Base64 format or decode Base64 strings.
• URL Encoder/Decoder - Encode special characters in URLs (percent-encoding) or decode them.
• HTML Encoder/Decoder - Convert characters to HTML entities to prevent rendering bugs, and decode them.
• JWT Decoder - Decode JSON Web Tokens (JWT) payload, header, and signature securely in your browser.
• Cron Expression Generator - Generate cron schedule expressions easily using a simple wizard.
• Color Picker & Converter - Pick colors and convert between HEX, RGB, HSL, and CMYK formats.
• CSS Gradient Generator - Design complex linear and radial CSS background gradients and grab codes.
• Box Shadow Generator - Generate custom CSS drop-shadow parameters and grab codes.
• Password Generator - Create strong, secure passwords with custom lengths and character inclusion options.
• UUID / GUID Generator - Generate random UUIDv4 and GUID identifiers in single or batch modes.
• Hash Generator - Generate secure hashes (MD5, SHA-1, SHA-256, SHA-512) from text inputs.
• User Agent Parser - Parse and analyze user agent strings to extract OS, browser, engine, and device details.
• Meta Tag Generator - Generate standard, Open Graph, and Twitter card HTML meta tags for SEO.
• QR Code Generator - Generate customized QR codes instantly with foreground and background colors.
• QR Code Scanner & Reader - Scan and decode QR codes from camera stream or image files securely in your browser.
• Color Contrast Checker - Analyze the contrast ratio between foreground and background colors for WCAG readability.
• Random Number Generator - Generate random numbers in a range
• Coin Flip Simulator - Virtual coin toss heads or tails
• Dice Roller - Virtual 3D dice rolling simulator
• Color Palette Generator - Generate harmonious color palettes
• Border Radius Generator - Visual CSS border-radius builder
• CSS Grid Generator - Visual CSS Grid layout builder
• Flexbox Generator - Visual Flexbox layout builder
• CMYK to RGB Converter - Convert CMYK print colors to RGB
• Stopwatch Timer - Online stopwatch with laps
• Pomodoro Timer - Focus timer for productivity
• Countdown Timer - Set a countdown for events
• Typing Speed Test - Test your typing WPM speed
• Speed Reading Test - Test your reading WPM speed
• Unix Timestamp Converter - Convert Epoch time to human dates
• HTML to Markdown - Convert HTML code to Markdown text
• Barcode Generator - Generate 1D and 2D barcodes
• QR Code with Logo - Generate QR code with custom logo
• Wi-Fi QR Code - Generate QR to connect to Wi-Fi
• VCard QR Code - Generate QR to save contact details
• Bcrypt Hash Generator - Generate and verify bcrypt password hashes with custom salt rounds.
• Chmod Calculator - Calculate Linux file permission octal and symbolic notation visually.
• JWT Generator - Generate signed JSON Web Tokens (JWT) with a custom payload and secret.
• SQL Formatter - Format and beautify SQL queries across multiple database dialects.

Why Choose OneClickly?

• 100% free, no registration required
• All processing happens in your browser - zero file uploads
• Maximum privacy and data security guaranteed
• Works offline as a Progressive Web App (PWA)
• 100+ tools across PDF, Image, Text, Calculator, and Developer categories