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243+ tools across 12 categories.
Calculators
Financial, health, and math calculators
54 tools
Converters
Units, currency, and data conversions
14 tools
Developer Tools
Formatters, encoders, and hash tools
43 tools
Text Tools
Counters, cleaners, and generators
19 tools
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Compress, resize, convert, and edit
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Merge, split, compress, and convert
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Meta tags, schemas, and audits
20 tools
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Prompts, titles, and name ideas
12 tools
Network Tools
IP, DNS, SSL, and HTTP checks
15 tools
File Tools
ZIP, hashes, and file utilities
7 tools
Time & Date
Clocks, zones, and calendars
11 tools
Generators
QR, barcodes, and random data
10 tools
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Loan Calculator
CalculatorsEstimate monthly payments, total interest, and payoff schedules for personal, auto, and other loans.
BMI Calculator
CalculatorsCalculate your Body Mass Index from height and weight and see the standard BMI category ranges.
Percentage Calculator
CalculatorsQuickly find percentages, percentage change, and what percent one number is of another.
Currency Converter
ConvertersConvert between world currencies with clear exchange-rate math for travel, shopping, and finance.
JSON Formatter
DeveloperBeautify, minify, and validate JSON online to make APIs and config files easier to read.
Best Picks
Start with the strongest pages
Featured tools create clearer paths into the catalog and help visitors land on the most useful pages first.
Loan Calculator
Estimate monthly payments, total interest, and payoff schedules for personal, auto, and other loans.
Currency Converter
Convert between world currencies with clear exchange-rate math for travel, shopping, and finance.
JSON Formatter
Beautify, minify, and validate JSON online to make APIs and config files easier to read.
Word Counter
Count words, characters, sentences, and paragraphs in your text for essays, posts, and SEO drafts.
Password Generator
Create strong, random passwords with customizable length and character sets for better account security.
QR Code Generator
Create QR codes for URLs, text, and contact info that scan reliably on any smartphone.
New
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Social Media Character Counter
Count characters against X, Instagram, LinkedIn, TikTok, and ad copy limits.
HEIC to JPG
Convert iPhone HEIC photos to JPG without uploading to a server.
EXIF Remover
Strip GPS and camera metadata from photos by re-encoding in the browser.
Color Contrast Checker
Check WCAG AA/AAA contrast ratios between foreground and background colors.
Free Online Tools for Everyday Tasks
Toolvark is your destination for free online tools — calculators, converters, developer utilities, PDF and image editors, SEO generators, network lookups, and AI writing helpers, each built for one clear job. Instead of juggling dozens of bookmarked one-off sites, you search once, land on a focused page, and get fast results right in your browser. Most utilities run locally on your device, so drafts, spreadsheets, and files stay on your machine unless a tool explicitly needs a public DNS or HTTP lookup.
Every page follows the same simple workflow: enter inputs, see outputs update immediately, then copy, download, or jump to a related tool when the task continues. Estimate a loan payment, format JSON, merge a PDF, build UTM links, check SSL, or generate meta tags — the experience stays consistent. There is no account wall, no trial countdown, and no desktop install required to get real work done.
The catalog spans 12 categories and 243+ live tools, organized so you can browse by intent when search is not enough. Calculators cover finance, health, and math. Developer pages include formatters, encoders, hash tools, and validators. Text utilities handle counters, case changes, and cleanup. Image and PDF tools support everyday file edits without paid software. SEO pages help with schemas, previews, and on-page checks. AI helpers provide prompts, titles, bios, and naming ideas you can refine on the spot.
We add new utilities regularly, from Office-to-PDF converters to minifiers, discount calculators, and accessibility checkers, so the next step in your workflow is usually one click away. Bookmark the homepage, use the search bar, or follow related-tool links at the bottom of any page when a quick check turns into a longer chain. Fewer tabs, less friction, and more time on the work that actually matters — that is what Toolvark is for.