56+ Free Online Tools

🗜️ Image Compressor Compress JPG, PNG and WebP images directly in your browser. Adjust quality with a live preview… 📐 Image Resizer Resize images to exact pixel dimensions or by percentage, with optional aspect-ratio lock. Fast, free and… 🔄 Image Format Converter Convert images between JPG, PNG and WebP formats instantly in your browser, with adjustable quality and… ✂️ Image Cropper Crop images online with a draggable selection box and preset aspect ratios like 1:1, 4:3 and… 🔃 Image Rotator & Flipper Rotate images by 90° steps or any custom angle, and flip them horizontally or vertically. Fix… 🎞️ Photo Filter Studio Apply grayscale, sepia, brightness, contrast, saturation, blur and invert filters to photos with live sliders —… 🎯 Image Color Picker Pick any color from an uploaded image and get its HEX, RGB and HSL codes instantly,… 🧬 Image to Base64 Converter Convert any image to a Base64 data URI for embedding in HTML, CSS or JSON —… ⭐ Favicon Generator Generate a complete favicon set from one image: ICO file plus 16, 32, 48, 180, 192… 💧 Image Watermark Tool Add a text watermark to photos with control over position, size, color, opacity and rotation, or…

🎚️ Audio Trimmer & Cutter Cut MP3, WAV and other audio files in your browser with a visual waveform, precise start/end… 🎙️ Online Voice Recorder Record audio from your microphone directly in the browser with a live level meter, pause/resume, instant… ⏩ Audio Speed Changer Speed up or slow down audio files from 0.25× to 4× in your browser. Preview live,… ⏪ Audio Reverser Reverse any audio file so it plays backwards. Upload, preview the reversed sound and download as… 🔊 Audio Volume Booster Increase or decrease the volume of audio files by up to 400%, with automatic clipping protection… 🔗 Audio Merger & Joiner Join multiple audio files into one continuous track. Reorder clips, preview the result and download the… 🗣️ Text to Speech Reader Have any text read aloud in your browser. Choose from your system voices, adjust speed and… 🎛️ Tone & Frequency Generator Generate pure tones from 20 Hz to 20,000 Hz with sine, square, sawtooth and triangle waveforms.…

🔐 File Hash Generator (SHA-256) Calculate SHA-1, SHA-256, SHA-384 and SHA-512 checksums of any file in your browser, and verify downloads… 📦 File to Base64 Encoder Encode any file to a Base64 string or data URI, and decode Base64 back into a… 🔀 CSV to JSON Converter Convert CSV data or uploaded CSV files to JSON instantly — with delimiter detection, header handling,… 📊 JSON to CSV Converter Convert JSON arrays into CSV for Excel and spreadsheets — flattens nested objects, unifies columns across… 🧩 Text File Merger Combine multiple text, CSV or log files into one document — set the order, add separators…

🔢 Word & Character Counter Count words, characters, sentences, paragraphs and estimated reading time in real time as you type or… 🔠 Text Case Converter Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case with one click. 🧹 Duplicate Line Remover Delete duplicate lines from any list or text — case-sensitive or not, with whitespace trimming, kept… 🗂️ Text & List Sorter Sort lines alphabetically, numerically, by length or randomly — ascending or descending, case-sensitive or not, with… 🔍 Find & Replace Text Find and replace text online with case-sensitive, whole-word and regular-expression modes, live match count and highlighted… 🔁 Text Reverser Reverse text by characters, words or lines — flip “hello” to “olleh”, reverse word order, or… 🪧 URL Slug Generator Turn any title into a clean, SEO-friendly URL slug — lowercase, hyphen-separated, with accents transliterated and… 📄 Lorem Ipsum Generator Generate lorem ipsum placeholder text by paragraphs, sentences or words — with classic or randomized output…

🧾 JSON Formatter & Validator Format, validate and minify JSON with precise error messages, adjustable indentation and one-click copy — fully… 🔣 Base64 Encode / Decode (Text) Encode text to Base64 and decode Base64 back to text, with full UTF-8 support and URL-safe… 🌐 URL Encoder / Decoder Encode text for safe use in URLs and decode percent-encoded strings back to readable text —… 🏷️ HTML Entities Encoder / Decoder Convert special characters to HTML entities and decode entities back to plain text — show code… 🆔 UUID Generator Generate cryptographically random version-4 UUIDs — single or in bulk, uppercase or lowercase, with or without… 🧪 Regex Tester Test regular expressions against your text with live match highlighting, flag toggles, capture-group inspection and clear… 📑 Markdown Previewer Write Markdown and see rendered HTML live — headings, lists, links, code blocks, tables and more,… ⏱️ Unix Timestamp Converter Convert Unix timestamps to human-readable dates and back — seconds or milliseconds, local time and UTC… 🪪 JWT Decoder Decode JSON Web Tokens to inspect header and payload claims, with expiry checking and human-readable timestamps…

🌈 Color Converter (HEX, RGB, HSL) Convert colors between HEX, RGB and HSL formats with a live swatch, color picker input and… ⚖️ Color Contrast Checker Check text and background color contrast against WCAG accessibility standards, with live preview and AA/AAA pass-fail… 🖌️ CSS Gradient Generator Build linear and radial CSS gradients visually — multiple color stops, angle control, live preview and… 🎨 Color Palette Generator Generate harmonious five-color palettes from a base color using real color theory — complementary, analogous, triadic… 🔲 CSS Box Shadow Generator Design CSS box shadows visually with offset, blur, spread, color and opacity sliders, inset support, layered… 🟦 Border Radius Generator Preview and generate CSS border-radius — uniform rounding, per-corner control and organic blob shapes with the… 📉 CSS Minifier Minify CSS by stripping comments, whitespace and redundancy — smaller stylesheets with identical rendering, plus size…

💯 Percentage Calculator Calculate percentages three ways: X% of a number, what percent X is of Y, and percentage… 🩺 BMI Calculator Calculate your Body Mass Index from height and weight in metric or imperial units, with WHO… 🎂 Age Calculator Calculate exact age in years, months and days from a birth date — plus total days… 🏦 Loan / EMI Calculator Calculate monthly loan payments, total interest and full cost from amount, rate and term — with… 💸 Discount Calculator Calculate sale prices and savings from percentage discounts — including stacked discounts, reverse calculations and tax-inclusive… 📅 Date Difference Calculator Calculate the exact time between two dates — in days, weeks, months and years, with optional… 📏 Unit Converter Convert between metric and imperial units of length, weight, temperature, volume, area, speed and digital storage… 🔑 Strong Password Generator Generate cryptographically secure random passwords — length up to 128, character-set controls, ambiguous-character filter and strength… 🎲 Random Number Generator Generate random numbers in any range — single draws, multiple values with or without repeats, dice…