All Tools
Every tool on Fyben Tools, in one place.
Word & Character CounterPopular
Live counts, reading/speaking time and most frequent words
Case ConverterPopular
UPPER, lower, Title, Sentence, camelCase, PascalCase and more
Text Diff Checker
Compare two blocks line by line, with word-level highlighting
Duplicate Line Remover
Clean up repeated lines, with optional trim and case-insensitive matching
Lorem Ipsum Generator
Placeholder text by paragraph or word count
Reverse & Sort Lines
Flip text or alphabetize a list
Dictionary Lookup
English word definitions, phonetics and examples (dictionaryapi.dev)
Unit ConverterPopular
Length, weight, temperature, area, volume and speed
File Size Converter
Bytes, KB, MB, GB, TB — binary (1024) or decimal (1000)
Timezone Converter
See the current time, or any specific time, across cities
Number to Words
Spell out a number in English — plain or as a Taka currency amount for cheques
Base Converter
Binary · Decimal · Hex · Octal · any custom base 2-36
Markdown to HTML
Markdown preview — headings, lists, code blocks, quotes, images and links
Currency ConverterPopular
Live exchange rates with a quick-reference conversion table
MP3 to WAV Converter
Convert an audio file to WAV — entirely in your browser
YouTube Title & Tag ExtractorPopular
Pull a video title, description and tags for SEO research
Age Calculator
Exact age in years, months, days — as of today or any date
EMI / Loan CalculatorPopular
Monthly payment on a loan, with an optional prepayment and a real payment-date schedule
Percentage Calculator
Three common percentage questions
Date Difference Calculator
Exact years, months and days between two dates, plus business days
BMI CalculatorPopular
Body mass index from height and weight, with healthy ranges, BMI Prime, Ponderal Index and an estimated body fat %
Compound Interest Calculator
Growth of savings or investment, with optional regular contributions
Discount Calculator
Sale price after one or two stacked discounts, plus tax
JSON Formatter & ValidatorPopular
Pretty-print, minify, sort keys, or catch syntax errors
Color Converter
HEX, RGB, HSL and CMYK, with a complementary color preview
QR Code GeneratorPopular
Turn text or a link into a scannable code, with color and error-correction control
Password GeneratorPopular
Random passwords with your own rules, with an option to exclude ambiguous characters
Base64 Encode / Decode
Convert text to and from standard or URL-safe Base64
URL Encode / Decode
Percent-encode a single value, or a full URL while preserving its structure
Password Strength Checker
Entropy-based strength with an estimated offline crack time
Image CompressorPopular
Reduce file size as JPEG or WebP, keep quality control
Image to Base64
Embed images directly in code or CSS — as a raw data URI, CSS, or HTML tag
Image Resizer
Set exact pixel dimensions, or scale by percentage
Image Cropper
Drag a box to crop, with 1:1/16:9/4:3/9:16 aspect-ratio presets
To-Do ListPopular
Simple session checklist
Pomodoro Timer
25-minute focus sessions with breaks, a sound on completion and a session count
Stopwatch
Track elapsed time with laps, showing both split and total time
Random Picker
Pick a winner from a list (with optional no-repeat mode) or roll a number
Countdown Timer
Count down to any date and time
Random Quote Generator
A fresh line of thought on demand
Meme Text Generator
Classic top/bottom caption maker with auto-fit text sizing
Fake Data Generator
Sample names, emails and addresses for testing — table, JSON or CSV
Tip Calculator
Split a bill, tax and tip between people
Break-even Point Calculator
Units and revenue needed to cover fixed costs, with a cost-vs-revenue chart and margin of safety
CPM / CPC / CPA Calculator
Cost per mille, click and acquisition plus conversion rate from one spend figure
ROAS Calculator
Return on ad spend and profit
Ad Budget Planner
Split a monthly budget across channels you can add or remove
UTM Link Builder
Add campaign tracking parameters to a URL, with common presets
Ad Copy Character Counter
Check headline and body text against Google, Meta, X, Instagram and LinkedIn limits
Engagement Rate Calculator
Interactions against followers or reach, with a benchmark rating
Meta Ads Reach Estimator
Rough impressions and reach from your own budget and CPM assumptions
Meta Title & Description Checker
Check search-snippet length (characters and real pixel width) and preview the result
Keyword Density Checker
Word and 2-word phrase frequency, plus focus-keyword density
SEO-Friendly Slug Generator
Turn a title into a clean URL slug, with a length check and stopword removal
Readability Checker
Flesch Reading Ease and Flesch-Kincaid Grade Level for a piece of text
Robots.txt Generator
Build a robots.txt with allow/disallow rules, or start from a common preset
Calorie Needs Calculator
BMR, daily calories (TDEE), a full weight-goal table and a macro breakdown
Water Intake Calculator
A simple daily hydration estimate from body weight, exercise and climate
Ideal Weight Calculator
Reference range from height, using four established formulas
Heart Rate Zone Calculator
Training zones from max heart rate, with an optional Karvonen (heart rate reserve) mode
Pregnancy Due Date Calculator
Estimated due date, conception date and trimester milestones from last menstrual period
Medicine Reminder Tracker
Track your own dose schedule — no medicine suggestions
First Aid Quick Guide
WHO/Red Cross-style basic steps for common emergencies
Vaccination Schedule (EPI) Reference
Bangladesh-style EPI schedule for quick reference
Blood Pressure Log
Track readings over time with a general category label
Blood Sugar Log
Track glucose readings with fasting or post-meal context
Menstrual Cycle Tracker
Predict ovulation, the fertile window and the next 3 periods
Sleep Cycle Calculator
Bedtimes or wake times aligned to 90-minute sleep cycles
Nutrition Lookup
Calories and macros for everyday foods (API Ninjas)
Savings Goal Calculator
Months and a target date to reach a savings goal, with growth chart and interest earned
Simple Tax Estimator
Illustrative progressive-bracket estimate with editable slabs, marginal rate and a tax-vs-after-tax chart
Salary / Hourly Rate Converter
Convert between annual, monthly and hourly pay, plus your overtime rate
Crypto Prices
Live prices for the top cryptocurrencies (CoinGecko)
SWIFT Code Lookup
Look up a bank by SWIFT/BIC code, or browse codes by country
IP Address Lookup
Look up your own IP or any address (ipwho.is)
User Agent Checker
Parse your browser, OS and device type from the user agent string
Unix Timestamp Converter
Convert between Unix time (seconds or milliseconds) and a human-readable date
Cron Expression Parser
Describe a 5-field cron schedule (or @daily/@hourly shortcuts) and preview upcoming runs
Regex Tester
Test a pattern against sample text with highlighted matches and named groups
CSV ↔ JSON Converter
Convert between CSV/TSV/semicolon-delimited and JSON array-of-objects
HTML/CSS/JS Minifier & Beautifier
Quick whitespace-level minify or indent for snippets, with size savings
Barcode Generator
Generate Code128, Code39, EAN-13/8, UPC, ITF-14, MSI or Codabar barcodes
DNS Lookup
Look up A, AAAA, MX, TXT, NS and CNAME records for a domain
Domain Availability Checker
Best-effort check of whether a domain looks registered (WHOIS)
Favicon Generator
Resize an image into common favicon sizes, plus a real favicon.ico and HTML snippet
Metadata / EXIF Remover
See what EXIF/GPS data was found, then strip it by re-encoding
GPA / CGPA Calculator
Weighted grade point average from your course list, with a letter-grade reference
Typing Speed Test
Measure words per minute and accuracy, with a live-updating count as you type
Citation Generator
Format a source in APA, MLA or Chicago style
Exam / Deadline Countdown
Track multiple upcoming dates at once, soonest first
Wikipedia Summary
Quick topic summaries pulled live from Wikipedia
Decision Wheel
Spin a wheel of your own options, with an elimination mode
Business Name Generator
Combine words into brandable name ideas
Gradient Generator
Build a CSS linear or radial gradient visually, with up to 3 color stops
Color Palette Extractor
Pull the dominant colors out of an uploaded image, with RGB and % share
Contrast Checker
WCAG contrast ratio between two colors, against all 4 pass/fail thresholds
Tweet / X Post Mockup
Design a shareable tweet screenshot, with a verified badge and light/dark theme
Instagram Post Mockup
Design a shareable Instagram post screenshot, with a comment count
WhatsApp Chat Mockup
Design a shareable chat screenshot, with timestamps and read receipts
Facebook Post Mockup
Design a shareable Facebook post screenshot, with an optional photo
Instagram Story Mockup
Design a shareable 9:16 story frame, with an optional gradient background
YouTube Comment Mockup
Design a shareable YouTube comment screenshot, with a pinned-comment badge
PDF Merger & Splitter
Combine PDFs into one, or split one into pages
Signature Generator
Turn typed text into a signature-style PNG, with a transparent background option
Bulk File Renamer
Preview renamed files, then download one-by-one or all as a ZIP
Excel to PowerPoint
One slide per sheet, laid out as a table
PDF to PowerPoint
One slide per page, rendered as an image (best-effort)
Word to PDF
Extracts text from a .docx and lays it out as a PDF (best-effort)
PowerPoint to PDF
Extracts slide text into a PDF, one page per slide (best-effort)
Images to PDF
Combine multiple images into one PDF, one per page — reorder before converting
CSV to Excel
Convert CSV text or a file into a downloadable .xlsx, with a preview first
Excel to CSV
Convert any sheet of an Excel file to CSV, with a preview first
PDF to Image
Preview every page, then export as PNGs bundled into a ZIP
PDF Text Extractor
Pull all readable text out of a PDF
Compress PDF
Reduce a PDF’s file size — lossless re-optimizing or page rasterizing
Rotate PDF
Rotate individual pages or the whole document, then export
Remove Pages
Delete specific pages from a PDF, then export the rest
Extract Pages
Pull specific pages out of a PDF into a new file
Organize PDF
Drag pages to reorder them, then export in the new order
Add Page Numbers
Stamp page numbers onto every page, in the position you choose
Add Watermark to PDF
Stamp a text or image watermark across every page
Crop PDF
Drag the crop box on the preview, then apply it to one page or all pages
Sign PDF
Draw or type a signature, place it on the page, and export
PDF to Word
Extract text from a PDF and reconstruct it as a downloadable .docx
PDF to Excel
Best-effort extraction of tabular data from a PDF into a downloadable .xlsx
Excel to PDF
Convert a spreadsheet into a formatted, paginated PDF table
PDF to PDF/A
Best-effort conversion toward the PDF/A archival format
Compare PDF
Compare two PDFs page-by-page and highlight text differences
Rent Split Calculator
Split rent between roommates, evenly or weighted
Bill Split Calculator
Split a restaurant or shared bill with tax and tip
Loan Comparison Tool
Compare 2 to 4 loan offers side by side
Salary Breakdown Calculator
Gross to net pay with your own deductions
Overtime Pay Calculator
Regular and overtime pay from an hourly rate
Recurring Expense Tracker
Normalize weekly, monthly and yearly expenses to a monthly total
Habit Tracker
A simple weekly checklist for building habits
Weather Tool
Current conditions and a 5-day forecast for any city
Public Holidays
Official public holidays for any country and year (Nager.Date)
Bangla Number & Amount Converter
Digits to Bangla numerals and Bangladeshi word form
Bangla Calendar Date Converter
Convert between Gregorian and the Bangla calendar, both directions
Zakat Calculator
2.5% of net zakatable assets above your nisab value
Prayer Time Widget
Daily prayer times for any city (Aladhan API)
Land Measurement Converter
Shotangsho, Katha and Bigha to square feet and meters
Gold & Silver Value Calculator
Value by weight using your own rate per gram or bhori
NID Format Validator
Checks digit-length format only — not official verification
Trade License Renewal Reminder
Track upcoming renewal dates for one or more licenses
Bangladesh Facts
Curated, verified facts about Bangladesh — geography, history, culture and more
YouTube Thumbnail Downloader
Grab a video thumbnail at every genuinely available resolution
Hook & Headline Idea Generator
Template-based headline ideas for your topic, from a 24-angle pool
Audio Editor
Trim, adjust volume and fade an audio file — exports as WAV or MP3
Resume Keyword Score Checker
Compare a resume against a job description
Cover Letter Generator
A starting-point template you can personalize
Salary Negotiation Calculator
A suggested counter-offer range
Notice Period Calculator
Your last working day from a notice period
Rental Agreement Template
A basic tenancy agreement starting point
NDA Template
A basic mutual non-disclosure agreement starting point
Simple Contract Generator
A general services contract starting point
Invoice Generator
A professional, downloadable PDF invoice for Bangladesh businesses
Quotation / Estimate Generator
A downloadable PDF price quotation
Purchase Order Generator
A downloadable PDF purchase order
Delivery Challan Generator
A downloadable PDF delivery note (no pricing)
Cash Memo Generator
A downloadable PDF cash sale memo
Packing Slip Generator
A downloadable PDF packing slip (no pricing)
Expense Report Generator
A downloadable PDF expense report
Receipt Generator
A downloadable PDF payment receipt
Payment Voucher Generator
A downloadable PDF internal payment voucher
Rent Receipt Generator
A downloadable PDF monthly rent receipt
Donation Receipt Generator
A downloadable PDF donation acknowledgement
Credit / Debit Note Generator
A downloadable PDF credit or debit note
Salary Slip Generator
A downloadable PDF payslip with earnings and deductions
Business Card Generator
Design a printable-quality business card image
Letterhead Generator
A downloadable PDF letterhead template page
Image to Text (OCR)
Extract readable text from any image
Image to Word Document
OCR an image straight into a downloadable Word file
Image to Excel (Table)
Best-effort table extraction from an image into .xlsx
Scanned PDF to Text
OCR every page of an image-only PDF
Business Card Scanner
OCR a business card and guess the key fields
Receipt / Bill Scanner
OCR a receipt and highlight amounts
Electricity Bill Estimator
Estimate monthly cost from your appliances
Mobile Data Usage Estimator
Estimate monthly data from daily usage habits
Room Area & Tile Calculator
How many tiles you need, with wastage
Paint Quantity Calculator
Liters of paint needed for your walls
Fuel Cost Calculator
Trip cost from distance, mileage and fuel price
Car / Bike Mileage Calculator
Your actual fuel efficiency from a fill-up
Vehicle Renewal Reminder
Track fitness and tax token renewal dates
Travel Budget Planner
Plan and total a trip budget by category
Packing List Generator
A ready-made checklist for your trip type
Trip Cost Splitter
Who owes whom after a group trip
Reverse Geocoding
Find the address for a latitude/longitude, or use your current location
City Distance Calculator
Straight-line distance between two cities (km & miles)
Baby Age Calculator
Age in weeks, months and days since birth
Baby Name Meaning Finder
A small dictionary of Bangla, Arabic and English names
Wedding Budget Planner
Split a total budget across typical categories
Guest List & RSVP Manager
Track invitations and headcount
Carbon Footprint Estimator
A rough monthly CO2 estimate from commute and electricity
Recipe Unit Converter
Convert cooking volumes, with common ingredient weights
Oven Temperature & Time Converter
Fahrenheit, Celsius, fan/convection adjustment and common oven terms
Breathing Exercise Timer
Guided box breathing or 4-7-8 relaxing breath — visual pacing only
Password Policy Generator
A written password policy document for your team
Website Safety Checker
Check a URL against Google Safe Browsing's threat lists
Link Share Preview Checker
Preview Open Graph tags for your own domain
Social Post Character Counter
Check one post against every platform limit at once
Website Speed Checker
PageSpeed Insights performance score for any public URL
Scientific Calculator
Trig, logs, powers and everyday arithmetic
Internet Speed Test
A basic browser-based download speed check
Passport / ID Photo Maker
Crop and resize a photo to a standard ID size
Text to Speech
Read text aloud using your browser voices
Speech to Text
Transcribe your microphone using your browser
Word Cloud Generator
Visualize the most frequent words in your text
Country Info Lookup
Capital, currency, languages and calling code for any country
209 tools across 33 categories · 20 call a live API — everything else runs entirely in your browser.