Free online tools · no login · no limits
Simple tools for everyday needs
Calculators, unlimited bulk image conversion, PDF and AI tools that run in your browser. No sign-up, no uploads, no watermarks, no daily caps.
Popular tools
The most used tools, all in one place.
EMI calculatorMonthly instalment for home, car and personal loans.SIP calculatorSee what a monthly SIP grows into.Lumpsum calculatorHow a single investment grows over time.FD calculatorMaturity value and interest on fixed deposits.RD calculatorYour recurring deposit maturity amount.PPF calculatorTax-free maturity over 15 years or longer.Loan prepayment calculatorSee how much interest you can save.GST calculatorAdd or remove GST from any amount.
Browse by category
Explore all tools across different categories.
FinanceEMI, SIP, FD, RD, PPF and more12toolsTaxGST, income tax, HRA, salary5toolsEverydayAge, BMI, units, QR and more9toolsImagesBulk convert, compress, resize10toolsPDFMerge, split, convert3toolsTextCount, convert, compare3toolsAITokens, API cost, AI budgeting5toolsDeveloperJSON, Base64, URL, colours5tools
100% free, unlimitedNo daily caps, no premium tier.
No sign-upJust open and use.
Browser-basedFiles never leave your device.
Why use SG Tools?
SG Tools brings together 52+ calculators and converters in one place. Convert hundreds of images at once with no login and no limit, merge and split PDFs, estimate AI API bills, plan loans and taxes for India. Every tool runs directly in your browser, so your files and numbers never leave your device.
Frequently asked questions
Are SG Tools really free and unlimited?
Yes. No daily caps, no file limits, no premium tier. The site is supported by ads.
Do I need to create an account?
No. Open any tool and start using it.
Are my files uploaded anywhere?
No. Image, PDF and text tools process everything inside your browser.
Can I request a tool?
Yes, use the contact page; popular requests get built.
All tools
Finance
EMI calculatorMonthly instalment for home, car and personal loans.SIP calculatorSee what a monthly SIP grows into.Lumpsum calculatorHow a single investment grows over time.FD calculatorMaturity value and interest on fixed deposits.RD calculatorYour recurring deposit maturity amount.PPF calculatorTax-free maturity over 15 years or longer.Loan prepayment calculatorSee how much interest you can save.Simple interest calculatorInterest and total on a simple-interest loan.Compound interest calculatorGrowth with yearly, quarterly or monthly compounding.Home loan eligibility calculatorHow much home loan you can get.Inflation calculatorWhat today's money is worth in future.SWP calculatorMonthly withdrawals from a retirement corpus.
Tax
Everyday
Age calculatorExact age in years, months and days.BMI calculatorBody mass index and healthy range.Percentage calculatorPercentage of, increase and decrease.Discount calculatorFinal price and savings after a discount.QR code generatorQR for links, UPI IDs and text.Unit converterLength, weight, area, volume, speed, temperature.Date difference calculatorDays, weeks and working days between dates.Password generatorStrong random passwords, generated on your device.Number to words (Indian rupees)Rupees in words for cheques and invoices.
Images
JPG to PNG converterConvert JPG to PNG in your browser.PNG to JPG converterSmaller files, optional quality setting.WebP converterJPG or PNG to WebP for faster sites.HEIC to JPG converterOpen iPhone photos on any device.Compress imageShrink photos for forms and WhatsApp.Resize imageExact pixel or percentage resize.Image to PDF converterCombine photos into one PDF.Bulk image converterConvert unlimited images at once. No login, no limits.Signature background removerMake your signature transparent for forms.Passport photo makerCrop to exact portal sizes and KB limits.
Text
AI
AI token calculatorCount tokens, check context fit, see cost.LLM API cost calculatorMonthly bill for OpenAI, Claude, Gemini APIs.AI image generation cost calculatorMonthly spend on AI image generation.AI transcription cost calculatorCost of Whisper and speech-to-text APIs.AI vs human writing cost calculatorCompare AI drafting plus editing with human writers.
Developer
Lorem ipsum generatorPlaceholder text by paragraph and sentence count.JSON formatter and validatorPretty-print, minify and validate JSON.Base64 encoder and decoderEncode text to Base64 or decode it back.URL encoder and decoderPercent-encode URLs and query strings.Colour converter (HEX, RGB, HSL)HEX, RGB and HSL with a live swatch.
No tool matches that yet.