A.Tools
A Collection of Free Online Tools
All-in-One Online Toolbox for You, Free & Smart.
From converters to generators, discover hundreds of powerful, easy-to-use and awesome online tools — all in one collection designed to simplify your daily tasks. No downloads, no installation, just instant access, use and go.
720 Online Tools & 4,917,181 Times Used
Featured Tools
Popular Tools
SWF Player
SWF Player is a free online player for SWF (Shockwave Flash) files. It can quickly open SWF files, read metadata tags from the file header, automatically resize the window to fit the SWF content, and display it.
JSFuck Encode
JSFuck uses only 6 different characters "[]()!+" to write and execute code. It is an esoteric programming style based on the atomic parts of JavaScript.
Nano Banana Prompt Generator
Instantly generate viral Nano Banana (Pro) style prompts for Google Gemini and Midjourney. Our free Nano Banana Prompt Generator creates glossy, 3D figurine-style art descriptions in seconds. Free AI Art Tool for Google Gemini.
Image Upscaler
Upscale images instantly for free with our secure, local browser Image Upscaler. Enlarge pictures without losing quality using the Anime4K algorithm. Try it now!
IPv4 Subnet Calculator
IPv4 Subnet Calculator could parse your IPv4 CIDR blocks and get all the info you need about your sub network.
Parse TCP
Instantly parse and decode raw TCP header hex strings into readable fields (Ports, Sequence, TCP Flags). 100% private, client-side TCP parser with no server logs.
BMR Calculator
Basal Metabolic Rate (BMR), which is the amount of energy your body uses to maintain its basic functions while at rest. BMR Calculator is easy and convenient. You just need to enter your personal information and click a button to get your results.
JSON To XML
Free online JSON to XML converter. Paste JSON and generate valid XML with custom root/row elements, CDATA, XML declaration, attribute mode, and encoding options. No upload, 100% private.
New Tools
Stamp Image Generator
Free postage stamp photo effect maker online. Add a perforated postage stamp border to any photo and download as PNG, JPG, or WebP — 100% private, no upload, no sign-up.
Polaroid Image Generator
Free Polaroid photo effect maker online. Add a Polaroid frame, vintage fade, and shadow to any photo and download as PNG, JPG, or WebP — 100% private, no upload.
JSON To Markdown Table
Free online JSON to Markdown table converter. Paste JSON or upload a .json file and instantly generate clean, formatted Markdown tables with aligned columns, bold headers, and custom text alignment — no sign-up required, 100% client-side.
JSON To Custom Template
Free online JSON to Custom Template converter. Transform JSON arrays into SQL, CSV, HTML, PHP arrays, batch file commands, or any text format using powerful template syntax — 100% client-side, no sign-up needed.
JSON To Excel
Free online JSON to Excel converter with built-in table editor. Paste JSON, edit data in a spreadsheet grid, transpose, deduplicate, and download as XLSX. 100% client-side.
JSON To ASCII Table
Free online JSON to ASCII table converter. Generate MySQL, Unicode, reStructuredText, or custom ASCII tables from JSON data with 10+ border styles, text alignment, and code comment wrappers. No sign-up, 100% client-side.
Excel To YAML
Free online Excel to YAML converter. Upload .xlsx, .xls, or .xlsm files, choose block or flow style, set indent and quote preferences, then copy or download YAML.
Excel To XML
Free online Excel to XML converter. Upload .xlsx, .xls, or .xlsm files and generate XML with custom root/row elements, attribute mode, CDATA, encoding, and indent options.
Topics
Mini Games & Puzzles
Dive into our ultimate collection of fun mini-games and challenging puzzles! Play free online casual games, brain teasers, and logic puzzles. No download required—play instantly!
Grade Calculator
Use these grade calculators and converters to find your quiz, test and assignment grades and scores, includes: Average Grade Calculator, Final Grade Calculator, Easy Grade Calculator, Grade Scale Converter, Grade Point Average Calculator (GPA Calculator).
Clothing Size Calculator
Clothing Size Calculator includes: Shoe Size Calculator, Men Clothing Size Calculator, Women Clothing Size Calculator, Bra Size Calculator
Fancy Text Generator
A collection of fancy text generator tools that transforms your plain text into stylish, eye-catching fonts and allows you to copy/past beautiful fancy texts. It’s fast, free, and fun to use. Start making your text stand out today!
Code Minifier
Free online tools for minify HTML, CSS, JS, XML and JSON Code. Reduces the code size, make it single-lined, helping web pages load faster and improving overall performance.
CSS Visualization & Code Generator
CSS Visualization & Code Generator is a powerful suite of tools designed to help you create stunning visual effects and generate clean, ready-to-use CSS code in seconds. These tools includes: CSS Clip-Path Generator, CSS Gradient Text Generator, CSS Glassmorphism Generator, CSS Scrollbar Code Generator, CSS Stripes Generator, CSS Border Radius Generator, CSS Triangle Generator, CSS Text Shadow Generator, CSS Box Shadow Generator and more.
ASCII Art Generator
Create custom ASCII art instantly with our free online ASCII Art Generators—convert text or images into stylized character-based artwork, perfect for terminals, emails, and retro designs.
Statistics Calculators
Topic of Statistics Calculators offers a variety of statistical calculators, including mean calculator, median calculator, mode calculator, standard deviation calculator, variance calculator, z-score calculator, t-test calculator, chi-square test calculator, percentile calculator, odds probability calculator, and more.