Browse by Category
Every tool on AskAtool.com, organized into 13 categories.
PDF Tools
Tools to merge, split, compress, and convert PDF files.
17 Tools Browse Tools →Image Tools
Tools to compress, resize, and convert images.
13 Tools Browse Tools →Text Tools
Tools for word counting, formatting, and text conversion.
18 Tools Browse Tools →SEO Tools
Tools to help improve your website's search engine visibility — meta tag generators, keyword tools, sitemap checkers, and more
15 Tools Browse Tools →Developer Tools
Utilities for developers — regex testing, encoding, hashing, and code formatting.
20 Tools Browse Tools →Unit Converters
Convert between units of length, weight, temperature, and more.
20 Tools Browse Tools →Finance Tools
Calculators for loans, interest, invoices, discounts, and business finances.
17 Tools Browse Tools →Math & Calculators
Calculators for BMI, GPA, statistics, equations, and everyday math.
16 Tools Browse Tools →Color & Design Tools
Color pickers, palette generators, and CSS design tools for developers and designers.
16 Tools Browse Tools →Social Media Tools
Hashtag generators, character counters, and engagement calculators for social media.
18 Tools Browse Tools →Health & Fitness Tools
Calculators for calories, BMR, heart rate zones, and everyday health and fitness planning.
19 Tools Browse Tools →Fun Tools
Fun, interactive, and entertaining tools designed to make everyday moments more playful and enjoyable.
11 Tools Browse Tools →Video Tools
Free video tools that run in your browser - edit, trim, crop and caption without uploading your file.
1 Tool Browse Tools →🔥 Popular Tools
View all tools →Merge PDF
Combine multiple PDF files into a single document.
Use Tool → Text ToolsWord Counter
Count words, characters, sentences, and paragraphs instantly.
Use Tool → Finance ToolsInvoice Generator
Create a printable invoice or quotation with a live preview, itemised costs, any currency and tax worked out for you.
Use Tool → Text ToolsJSON Formatter
Format, validate, and beautify JSON data instantly.
Use Tool → Image ToolsBulk Image Compressor
Compress up to 20 images at once and download them all in one ZIP.
Use Tool → PDF ToolsPDF to Word Converter
Convert PDFs to editable Word with OCR and layout preservation
Use Tool → PDF ToolsSplit PDF
Extract a specific page range from a PDF into a new file.
Use Tool → Fun ToolsSurpriseQR
Create a time-locked surprise with a photo, video, or message, and share it as a QR code.
Use Tool → Health & Fitness ToolsSleep Calculator
Find the best time to go to bed or wake up, based on 90-minute sleep cycles.
Use Tool → Image ToolsImage Editor
Crop, rotate, adjust, watermark and cut out - all in one, in your browser.
Use Tool →Google Gemini 4 Argon: New AI Model for Coding, Research and Complex Tasks
Google's Gemini 4 Argon is presented as an advanced AI model designed to assist with complex coding, scientific research, cybersecurity, legal work and financial analysis. Its capabilities highlight the growing role of AI in automating multi-step tasks and improving professional productivity.
Read article →Latest from the blog
View all posts →Skip the Prompt: Why a Tool Sometimes Beats Asking AI
For small, well-defined tasks the prompt is the slow part. Where a single-purpose tool wins, and where describing what you want is genuinely worth it.
Tool Tips & GuidesThe Hidden Water Cost of Every AI Prompt
Why answering a prompt uses water, what the research actually says about how much, and where a lightweight tool genuinely helps.
Tool Tips & GuidesWhat Is a Readability Score, and Should You Chase One?
The score counts syllables and sentence length rather than clarity. What it genuinely catches, and the three things it cannot see.