121+ Free Online Tools,
Done Smarter
Image editors, PDF tools, financial calculators, student tools, and developer utilities — all in one place. No sign-ups, no uploads, no limits.
Image Compressor
Reduce file size while keeping quality. Perfect for web, email, and social media.
Use tool →Image Resizer
Resize images to exact dimensions or scale by percentage. Batch support included.
Use tool →Format Converter
Convert between PNG, JPG, WebP, GIF, and BMP. Fast, free, and lossless options.
Use tool →Image Cropper
Crop images to any size or aspect ratio. Presets for social media platforms.
Use tool →Background Remover
Remove image backgrounds instantly with AI. Export as transparent PNG.
Use tool →Watermark Tool
Add text or image watermarks to protect your photos. Batch processing available.
Use tool →Image Rotator
Rotate images by 90, 180, 270 degrees or any custom angle. Fix orientation instantly.
Use tool →Image Flipper
Flip images horizontally or vertically. Mirror photos in one click.
Use tool →Image Enlarger
Upscale images by 2x, 4x, or custom scale with high-quality interpolation.
Use tool →Image Blur
Apply gaussian blur or pixelation to images. Hide sensitive info or create effects.
Use tool →Image Sharpener
Sharpen and enhance photos with adjustable intensity. Real-time before/after comparison.
Use tool →DPI Changer
Change image DPI/PPI for print or web. Set 72, 150, 300 DPI or any custom value.
Use tool →QR Code Generator
Generate QR codes for URLs, text, WiFi, vCards, and PDFs. Add a logo. Download as PNG or SVG.
Use tool →Color Picker
Extract colors from images, generate palettes, and convert between color formats.
Use tool →Image Metadata Viewer
View EXIF data from photos. See camera settings, GPS, and more.
Use tool →Base64 Encoder
Convert images to Base64 strings and back. Great for embedding in HTML or CSS.
Use tool →Favicon Generator
Create favicons from any image. Get ICO and PNG in all sizes for browsers and devices.
Use tool →Screenshot to PDF
Convert screenshots and images to PDF. Combine multiple images into one document.
Use tool →Meme Generator
Add top and bottom text to any image. Custom fonts, colors, and outlines — no watermarks.
Use tool →Word Counter
Count words, characters, sentences, paragraphs, reading time, and keyword density.
Use tool →Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Use tool →Online Timer
Run countdowns for workouts, cooking, focus blocks, and meetings with fullscreen and loop mode.
Use tool →Remove Duplicate Lines
Delete repeated lines from any text. Case-sensitive options, trim whitespace, preserve order.
Use tool →Sort Text Lines
Sort lines alphabetically, numerically, by length, or randomly. Reverse and shuffle too.
Use tool →Random Number Generator
Generate random numbers with custom bounds, quantity, and precision. Integers or decimals, with or without duplicates.
Use tool →Data Size Converter
Convert between bytes, KB, MB, GB, TB, and PB. Supports both decimal (SI) and binary (IEC) systems.
Use tool →Smart Image Converter
Pick any format, convert to any format. The all-in-one image converter with smart dropdowns.
Use tool →PNG to JPG
Convert PNG images to JPG. Smaller file sizes, perfect for sharing and uploading.
Use tool →JPG to PNG
Convert JPG images to lossless PNG format. Ideal for graphics and editing.
Use tool →WebP to JPG
Convert WebP files to universally compatible JPG. Works with any app or website.
Use tool →WebP to PNG
Convert WebP to PNG with transparency preserved. Lossless and universal.
Use tool →JPG to WebP
Convert JPG to WebP for 25-35% smaller files. Boost your website speed.
Use tool →PNG to WebP
Convert PNG to WebP with transparency support. Dramatically smaller file sizes.
Use tool →HEIC to JPG
Convert iPhone HEIC photos to JPG. Share your photos anywhere, with anyone.
Use tool →GIF to PNG
Convert GIF images to full-color PNG. Better quality, better transparency.
Use tool →BMP to JPG
Convert huge BMP files to compressed JPG. Reduce file size by up to 90%.
Use tool →AVIF to JPG
Convert AVIF images to universally compatible JPG format. Open them anywhere.
Use tool →SVG to PNG
Convert SVG vector files to high-quality PNG images. Choose custom size and background.
Use tool →SVG to JPG
Convert SVG vector graphics to JPG images. Perfect for sharing and uploading.
Use tool →SVG to WebP
Convert SVG files to modern WebP format. Small files with excellent quality.
Use tool →Merge PDF
Combine multiple PDF files into one document. Drag to reorder before merging.
Use tool →Split PDF
Split a PDF into individual pages or custom ranges. Download each part separately.
Use tool →PDF Compressor
Reduce PDF file sizes by up to 80% while maintaining readability. Choose your quality level.
Use tool →Remove PDF Pages
Delete unwanted pages from a PDF. Click to select, then remove in one click.
Use tool →Extract PDF Pages
Pull out specific pages from a PDF into a new document. Keep only what you need.
Use tool →Reorganize PDF
Drag and drop to reorder pages in your PDF. See thumbnails of every page.
Use tool →Image to PDF
Convert images to PDF with page size, orientation, and layout options.
Use tool →APA Citation Generator
Generate APA 7th Edition citations for websites, books, journals, and videos. Copy or build a full reference list.
Use tool →MLA Citation Generator
Create MLA 9th Edition citations for any source type. Build your Works Cited page instantly.
Use tool →GPA Calculator
Calculate your semester and cumulative GPA. Supports 4.0 and 4.3 scales with auto-save.
Use tool →Pomodoro Timer
Stay focused with 25-minute work sessions and timed breaks. Track your daily study sessions.
Use tool →Word Counter
Count words, characters, sentences, paragraphs, reading time, and keyword density.
Use tool →Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Use tool →Flashcard Maker
Create flashcards, study with flip animations, and save decks to your browser. Export as JSON.
Use tool →Grade Calculator
Calculate your grade percentage and letter grade. Supports weighted categories.
Use tool →Student & Team Picker
Pick random students with spinning animation. Includes no-repeat mode and instant team generation.
Use tool →Classroom Timer
Run clear countdowns for activities, transitions, quizzes, and presentations with large-screen display.
Use tool →Study Schedule Builder
Create a weekly study plan by subject, hours, and priority. Export your schedule as CSV.
Use tool →Final Grade Calculator
Find out what grade you need on your final exam to reach your target class grade.
Use tool →Class Average Calculator
Enter student scores to get class average, median, grade distribution, and pass rate statistics.
Use tool →IG Engagement Calculator
Calculate your Instagram engagement rate. See benchmarks and get tips to improve.
Use tool →TikTok Engagement Calculator
Calculate TikTok engagement by followers or views. Compare against benchmarks.
Use tool →YT Thumbnail Downloader
Download YouTube video thumbnails in all resolutions. Paste any URL and save HD images.
Use tool →Aesthetic Font Generator
Convert text to fancy Unicode fonts for Instagram, TikTok, and Discord. Copy and paste anywhere.
Use tool →Screenshot Cropper
Crop screenshots for social media with presets for Instagram, TikTok, YouTube, and more.
Use tool →Social Media Resizer
Resize images to perfect dimensions for Instagram, TikTok, YouTube, Twitter, LinkedIn, and more.
Use tool →Influencer Rate Calculator
Calculate how much to charge per post, story, reel, and video based on followers and engagement.
Use tool →YouTube Revenue Calculator
Estimate YouTube ad revenue based on views, CPM, and RPM. Plan your content strategy.
Use tool →YouTube Engagement Calculator
Calculate YouTube engagement rate from views, likes, and comments. See benchmarks and ratings.
Use tool →Affiliate Earnings Calculator
Estimate affiliate marketing income from traffic, click-through rate, conversion rate, and commission.
Use tool →Percentage Calculator
Calculate percentages, percentage change, increase, and decrease. Six calculators in one.
Use tool →Tip Calculator
Calculate tips and split bills between any number of people. Preset and custom tip percentages.
Use tool →Discount Calculator
Find the final price after any discount. Add sales tax. See exactly how much you save.
Use tool →Loan Calculator
Calculate monthly payments, total interest, and view a full amortization schedule.
Use tool →Mortgage Payment Calculator
Estimate full monthly housing payment including taxes, insurance, HOA, PMI, and closing costs.
Use tool →Affordability Calculator
Estimate max home price using income, debt, DTI limits, and total housing cost assumptions.
Use tool →Refinance Calculator
Compare your current loan against refinance terms with break-even and long-term cost impact.
Use tool →Rent vs Buy Calculator
Compare long-term net worth outcomes using appreciation, rent growth, and investment return assumptions.
Use tool →Salary Calculator
Convert between hourly, weekly, bi-weekly, monthly, and annual pay. Adjust hours and weeks.
Use tool →Retirement Calculator
Project nest egg growth, target savings needs, and retirement income sustainability.
Use tool →Debt Snowball Calculator
Create a payoff plan, see debt-free date, and estimate interest savings from extra payments.
Use tool →Net Proceeds Calculator
Estimate real estate seller proceeds after commissions, fees, taxes, and mortgage payoff.
Use tool →Business Loan Calculator
Estimate business loan payment, total interest, fee impact, and net funding received.
Use tool →Break-Even Calculator
Estimate break-even units, required revenue, and margin of safety from your cost structure.
Use tool →Pricing Calculator
Set profitable prices using direct costs, overhead allocation, fees, and target margin assumptions.
Use tool →Invoice Generator
Create itemized invoices with tax and discount totals, then print or save as PDF.
Use tool →Budget Calculator
Track monthly cash flow and compare your spending mix against the 50/30/20 rule.
Use tool →Property Tax Calculator
Estimate annual and monthly property tax based on home value, exemptions, and local rate.
Use tool →Age Calculator
Calculate your exact age in years, months, days, and hours. Birthday countdown included.
Use tool →Date Difference Calculator
Find the exact number of days, weeks, months, and business days between any two dates.
Use tool →Customer Lifetime Value
Calculate CLV from purchase value, frequency, and lifespan. See CLV:CAC ratio and net value.
Use tool →Meeting Cost Calculator
Calculate the true cost of meetings based on attendee salaries and duration. See annual impact.
Use tool →Time Tracking Calculator
Log time entries, track hours worked, and calculate billable amounts with your hourly rate.
Use tool →Project Cost Estimator
Add line items with quantity and unit cost, set contingency, and get a full project estimate.
Use tool →Startup Cost Calculator
Estimate total startup costs across legal, equipment, marketing, operations, and working capital.
Use tool →Commission Calculator
Calculate sales commission with flat or tiered rates. See splits, effective rate, and net to seller.
Use tool →Quote & Estimate Generator
Create professional quotes and estimates with line items, scope of work, terms, and automatic totals.
Use tool →Employee Cost Calculator
Calculate the true cost of hiring beyond salary — taxes, benefits, equipment, and overhead included.
Use tool →Cash Flow Forecast
Project monthly cash flow with income sources, expenses, and one-time items over 3–12 months.
Use tool →Closing Cost Estimator
Estimate buyer or seller closing costs with itemized fees, taxes, and cash-needed-at-closing totals.
Use tool →Rental Property ROI
Analyze rental property investments with cash flow, cap rate, cash-on-cash return, and NOI calculations.
Use tool →Weight Converter
Convert between pounds, ounces, grams, kilograms, stone, and tons instantly with formulas and reference output.
Use tool →Length Converter
Convert between inches, centimeters, millimeters, meters, kilometers, feet, yards, and miles.
Use tool →Fahrenheit to Celsius
Convert between °F and °C with step-by-step formulas. Includes Kelvin and common temperature labels.
Use tool →JSON Formatter
Format, beautify, minify, and validate JSON instantly. Catch syntax errors with line numbers.
Use tool →URL Encoder/Decoder
Encode or decode URLs and special characters. Supports component and full URL encoding.
Use tool →UUID Generator
Generate random UUID v4 identifiers. Bulk generate, multiple formats, copy with one click.
Use tool →Timestamp Converter
Convert Unix timestamps to dates and vice versa. Supports seconds, milliseconds, and ISO 8601.
Use tool →Escape/Unescape HTML
Escape or unescape HTML entities. Convert special characters for safe embedding in web pages.
Use tool →Regex Tester
Test regular expressions in real-time with match highlighting, capture groups, and a quick reference.
Use tool →Text Diff Tool
Compare two texts side-by-side or inline. See additions, deletions, and unchanged lines at a glance.
Use tool →121+ Free Online Tools in One Place
SmarterSources brings together over 119 free tools across 11 categories — image editing, PDF management, financial calculators, personal finance, real estate, business, education, creator tools, developer utilities, unit converters, and more. Every tool runs entirely in your browser using JavaScript. Nothing uploads to a server. No accounts, no sign-ups, no limits.
Image Editing and Format Conversion
Compress, resize, crop, rotate, flip, blur, sharpen, and enlarge images without uploading anything. Remove backgrounds with AI, add watermarks, change DPI for print, and generate favicons. Convert between PNG, JPG, WebP, HEIC, GIF, BMP, AVIF, and SVG formats with 14 dedicated converters plus a universal smart converter. Every image tool supports batch processing and produces instant results.
PDF Tools
Merge multiple PDFs into one, split PDFs by page range, compress file size, remove or extract specific pages, reorganize page order with drag-and-drop, and convert images or screenshots to PDF. All processing happens locally — your documents never leave your device.
Financial and Business Calculators
From everyday calculations like tips and discounts to business tools like profit margin calculators, break-even analysis, and invoice generators — SmarterSources covers it all. Plan your budget with the 50/30/20 rule, calculate loan payments and amortization schedules, estimate startup costs, forecast cash flow, track time and billable hours, and generate professional quotes and estimates.
Personal Finance and Real Estate
Calculate mortgage payments with full PITI breakdowns, estimate how much house you can afford, compare renting vs. buying, plan your retirement savings, create a debt payoff strategy with the snowball method, and project savings goals. Real estate tools include a closing cost estimator, refinance calculator, property tax calculator, net proceeds calculator, and rental property ROI analyzer.
Student and Educator Tools
Calculate your GPA on 4.0 or 4.3 scales, check what grade you need on your final exam, generate APA and MLA citations, create flashcards with flip animations, build weekly study schedules, and count words with reading time estimates. Teachers can use the classroom timer, random student picker with team generation, and class average calculator with grade distribution charts.
Creator and Social Media Tools
Calculate Instagram, TikTok, and YouTube engagement rates against industry benchmarks. Download YouTube thumbnails in all resolutions. Generate aesthetic Unicode fonts for social media bios. Resize images for every social media platform. Estimate influencer rates, YouTube ad revenue, and affiliate marketing income.
Developer Utilities
Format and validate JSON, encode and decode URLs, generate UUIDs, convert timestamps between formats, escape and unescape HTML entities, test regular expressions with live matching, and compare text side-by-side with a diff tool.
Why SmarterSources?
Every tool processes data locally in your browser — your files and information never leave your device. There are no accounts to create, no file size limits, no daily usage caps, and no watermarks. Tools load instantly because nothing needs to upload or download. And everything works on any device with a browser — desktop, tablet, or phone.
Frequently Asked Questions
Is SmarterSources really free?
Yes, all tools are completely free to use with no limits. We're supported by ads, which allows us to keep every tool accessible to everyone.
Are my files uploaded to a server?
No. Every tool on SmarterSources runs entirely on your device using JavaScript. Your files never leave your computer — we don't store, see, or have access to anything you work on.
What types of tools does SmarterSources offer?
SmarterSources offers 121+ tools across 11 categories: image editing, format converters, PDF tools, calculators, personal finance, real estate, business tools, creator and social media tools, student and educator tools, developer utilities, and unit converters.
Do I need to create an account or sign up?
No. Every tool works instantly with no registration, no email address, and no account required. Just open a tool and start using it.
Can I use these tools on my phone?
Yes. Every tool is fully responsive and works on phones, tablets, and desktops. No app download required — just use your browser.
Is there a file size limit?
No. There are no artificial file size restrictions. Very large files may take a moment depending on your device, but there are no caps or limits.
What image formats are supported?
The image tools support PNG, JPG, WebP, GIF, BMP, AVIF, HEIC, and SVG. You can convert between any of these formats with 14 dedicated converters or the universal smart converter.
Can I process multiple files at once?
Yes. Most image and PDF tools support batch processing. Drag and drop multiple files, configure your settings, and process them all at once.