EveryFreeTool729 toolsacross 18 categories
Free online tools
that just work.
Calculators, converters, PDF, image, video and developer tools. No signup, no ads, and your files never leave your browser.
Browse all 18 tool categories
Every category contains free, instant-use tools that run entirely in your browser.
Money & Business
Calculators and tools for personal finance, investing, budgeting, mortgages, loans, taxes, salary, and small-business operations.
Browse all 89 money & business →Developer Tools
Utilities for software developers: JSON formatters, regex testers, base64 and URL encoders, hash generators, UUID and cron generators, code diff checkers, and more.
Browse all 53 developer tools →Image Tools
Compress, resize, crop, convert, and edit images entirely in your browser. Background remover, photo editor, watermarking, OCR, and AI upscaler.
Browse all 45 image tools →Math & Conversion Tools
Math, science, and unit conversion calculators across length, weight, volume, temperature, currency, and more.
Browse all 19 math & conversion tools →Everyday Tools
Useful day-to-day utilities: timers, planners, generators, classic games, organizers, and more — built for instant browser use.
Browse all 173 everyday tools →Text Tools
Text manipulation, formatting, counting, case conversion, and analysis utilities for writers, editors, and copywriters.
Browse all 47 text tools →PDF Tools
Merge, split, compress, convert, edit, sign, and password-protect PDF files. Everything runs in your browser — your files never leave your device.
Browse all 13 pdf tools →Video & Audio Tools
Edit audio and video, convert formats, extract clips, generate music, and create voiceovers using free in-browser tools.
Browse all 37 video & audio tools →Health & Fitness
BMI calculators, calorie counters, water intake trackers, workout planners, body fat estimators, and other wellness utilities.
Browse all 50 health & fitness →Date & Time
Age calculators, countdown timers, world clocks, time-zone converters, weekday-finders, and date math tools.
Browse all 20 date & time →Education
Study aids, learning tools, grade calculators, GPA calculators, and other academic utilities for students and teachers.
Browse all 57 education →Astrology & Numerology
Birth charts, daily horoscopes, life-path numbers, compatibility calculators, and traditional astrology and numerology tools.
Browse all 11 astrology & numerology →Construction Tools
Concrete, lumber, rebar, roofing, framing, drywall, paint, and other contractor-grade calculators with imperial and metric units.
Browse all 28 construction tools →Social Media Tools
Caption generators, hashtag tools, profile builders, bio link pages, and content-creation utilities for every major platform.
Browse all 42 social media tools →CRM & Sales Tools
Lead trackers, sales pipeline calculators, commission and quota tools, and small-team CRM utilities.
Browse all 20 crm & sales tools →Travel Tools
Trip planners, packing lists, currency converters, time-zone helpers, and other practical travel calculators.
Browse all 7 travel tools →Marketing Tools
A/B test calculators, ROI and CAC tools, content generators, growth calculators, and other utilities for marketers.
Browse all 12 marketing tools →Pet Tools
Pet age calculators, food portion guides, walking and feeding planners, and other pet-care utilities.
Browse all 6 pet tools →
Featured free tools
A handful of the most-used tools across every category — all free, all browser-based.
Subscription Audit Calculator
Check off your subscriptions from 80+ services and see what you really spend
Salary Loss Calculator
See the shocking lifetime cost of not negotiating your salary — with compounding
JSON Formatter & Validator
Format, validate, minify, and convert JSON — with tree view, diff tool, and auto-fix for common errors
Base64 Encoder & Decoder
Encode and decode Base64 text, files, and images instantly — with data URI output and live preview
Image Compressor
Compress images to exact file sizes. Target 100KB, 200KB, or any size. Before/after preview. Batch mode. 100% private.
Image Resizer
Resize images to exact dimensions or social media presets. Batch resize, aspect ratio lock. 100% private.
Universal Unit Converter
Convert 200+ units — length, weight, temperature, volume, speed, area, digital storage & more
Percentage Calculator
Calculate percentages: percent of a number, percentage change, markup, margin, discounts, and more. Instant results.
Word & Character Counter
Count words, characters, sentences, and paragraphs — with reading time, keyword density, and social media limits
Markdown Editor
Write and preview Markdown in real-time with formatting toolbar, visual table builder, and rich text export
Online Notepad
A free online notepad that auto-saves to your browser. Multi-tab notes, word count, find & replace, download as .txt. No signup.
Free Notepad
Free online notepad with auto-save, multi-tab notes, find & replace, export. No signup needed.
Merge PDF
Combine multiple PDF files into one document. Drag to reorder, select individual pages, and download instantly. Free, private, unlimited.
Compress PDF
Reduce PDF file size instantly. Choose compression level, keep quality. Free, private, no upload to servers.
Video Compressor
Compress MP4, MOV, WebM videos in your browser. Adjustable quality, resolution options. 100% private — no upload.
Video to GIF
Convert any video to an animated GIF. Select clip, set size and FPS. Preview before download. 100% private.
BMI Calculator
Calculate your Body Mass Index from height and weight. Visual BMI scale, healthy weight range, category breakdown.
Calorie Calculator
Calculate daily calories, BMR, TDEE, and macros based on your age, weight, height, and activity level. Weight loss and gain targets.
Age Calculator
Calculate your exact age in years, months, days, hours, and seconds. Live ticking counter, birthday countdown, zodiac sign.
Countdown Timer
Countdown to any date or set a quick timer. Pomodoro mode. Fullscreen. Audio alerts. Free.
GPA Calculator
Calculate your GPA on the 4.0 scale. Weighted and unweighted. Add courses, credits, grades. Semester and cumulative.
Grade Calculator
Calculate weighted grades and find out what you need on your final exam. Enter categories and weights. Instant.
Zodiac Sign Finder
Find your zodiac sign by birthday. Personality traits, element, ruling planet, compatibility. All 12 signs.
Zodiac Compatibility
Check love, friendship & work compatibility between any two zodiac signs. Detailed analysis with tips. Free.
Concrete Calculator
Calculate exactly how much concrete you need for any project
Fence Calculator
Estimate fence materials, posts, rails, pickets & costs for wood, vinyl, chain link, and more. Get a complete shopping list instantly.
Instagram Bio Generator
Generate 10 creative Instagram bio ideas tailored to your niche and personality. Copy with one click. Free, no signup.
Bio Ideas Generator
Get 10 creative bio ideas for your Instagram profile. Pick your niche, set your vibe, copy the perfect bio. Free.
Free CRM
Full contact manager with search, filter, CSV import, activity timeline, and webhook integration. Free.
Contact Manager
Manage contacts, track deals, log activities. CSV import/export. Persistent browser storage. Free.
Packing List Generator
Select trip type, duration, and climate — get a personalized packing checklist. Check items off as you pack. Saves progress. Download as PDF.
Flight Time Calculator
Estimated flight duration, distance, time zones, and arrival time between 500+ airports. Multi-leg trip support.
A/B Test Duration Calculator
Calculate required sample size and test duration. Sensitivity table, visual timeline. Stop guessing when to end your test.
Sample Size Calculator
Calculate the sample size needed for statistically valid A/B tests. Sensitivity analysis, multi-variant support. Free.
AI Dog Breed Identifier
Upload a dog photo — AI identifies the breed with confidence %. Traits, health info, fun facts. 170+ breeds. Free.
What Breed Is My Dog?
Upload a photo of your dog and AI identifies the breed instantly. 170+ breeds, detailed profiles, shareable breed card. Free.