All 197+ tools, organized.

Equation solverAlgebra · derivative · integral · sympy Graphing calculatorPlot any y=f(x) · zoom & pan Stamp duty20 Indian states · women discounts EPF calculator8.25% · employer match · pension Scientific calcTrig · log · factorial · history Currency converter160+ currencies · live rates Capital gains taxLTCG / STCG · FY 2025-26 rules GratuitySection 4 of Gratuity Act · ₹20L tax-free Sukanya Samriddhi (SSY)Girl-child savings · 8.2% tax-free SCSS (seniors)8.2% quarterly · max ₹30L NSC5-yr post office savings · 80C POMISSteady monthly income · 5 yrs KVPMoney doubles in ~9.5 yrs Income tax FY 2025-26Old vs new regime, side-by-side FD calculatorFixed Deposit maturity value RD calculatorRecurring Deposit projection CAGR calculatorCompound annual growth rate Compound interestWith optional monthly adds Percentage6 common percentage problems Discount calculatorSale price + stacked coupons + GST Unit converter8 categories · all common units Time between datesYears/months/days/biz days BMR / TDEE / CaloriesDaily target + macros for goal HRA exemptionSection 10(13A) · metro/non-metro PPF calculatorTax-free 15-year maturity NPS calculatorRetirement corpus + monthly pension Salary breakupCTC → monthly in-hand Fuel costTrip cost + per-km + split Body fat %Navy method · tape measure only EMI calculatorLoan EMI with full amortization SIP calculatorMutual fund corpus projection GST calculatorAdd/remove GST · 5/12/18/28% BMI calculatorBody mass index with category Age calculatorYears/months/days from DOB Tip calculatorTip amount + split between people

Resume builder3 templates · ATS-friendly · AI bullet improver · PDF download Receipt scannerOCR · auto-extract · save to expenses

PythonCPython 3.12 · numpy · pandas · matplotlib JavaScriptSandbox + console + async/await SQL (SQLite)Full SQLite · persistent · joins · CTEs HTML / CSS / JSCodePen-style 3-pane · live preview

FLAMES ✨Match letters · scribble · ribbon reveal MinesweeperThe Windows 95 staple TetrisDrop & rotate tetrominoes PongThe OG. You vs CPU paddle BreakoutSmash bricks with the ball Whack-a-mole30s reflex game Simon SaysWatch and repeat the pattern Chessvs Stockfish · 8 difficulties · PGN export Mini crossword5×5 · daily puzzle · across & down SolitaireKlondike · the classic Windows game Word search4 themed puzzles MastermindCrack the 4-color code Tower of Hanoi3-7 disks · classic recursion puzzle Lights OutTurn off all the lights Type racer60-second WPM sprint 15-PuzzleSliding tile classic ReversiOthello · flip pieces · 3 AI levels Snakes & LaddersThe Indian classic · 2-4 players BattleshipSink the enemy fleet Match-3Swap gems · 60s sprint Bubble shooterAim, shoot, match 3 Wordle daily5-letter word, 6 tries, one per day Sudoku3 difficulties · hints · solver Connect 4Drop discs · vs Minimax AI Tic-Tac-Toevs Minimax AI · unbeatable Memory matchFind the pairs · 4×4 / 6×6 SnakeClassic, with arrow / swipe controls 2048Slide and merge tiles Rock · Paper · ScissorsPattern-learning AI Coin flipHeads or tails with 3D animation Dice roller1–10 dice · d6 / d20 / d100 Magic 8-ballAsk anything · shake to answer HangmanGuess the word · 6 wrong tries

UPI QRPayment QR · GPay PhonePe Paytm GST invoiceCGST + SGST or IGST · PDF download CSS gradient makerVisual builder · 6 presets Mock dataFake users · CSV/JSON/SQL · India names Slug generatorTitle → clean URL slug Business nameBrand ideas + domain check links Meta tagsSEO + OG + Twitter Card · live preview QR code makerURLs, text, Wi-Fi, vCard Password generatorCustom length, charset, strength meter Color pickerHex, RGB, HSL — pick & copy

AI image upscalerSwin2SR neural super-resolution Video compressorWhatsApp limit workaround · presets AI subtitle generatorVideo → SRT/VTT · Whisper · 9 langs Aadhaar maskerCover first 8 digits before sharing AI image generatorText-to-image · 12 styles · Flux Photo to animeGhibli, Pixar, Disney, oil paint, more AI logo generator4 variations per brand prompt AI thumbnailsYouTube, TikTok, Twitch, podcast AI wallpapers4K, 8 vibes, phone/desktop sizes Face filtersSnapchat-style · 17 filters · MediaPipe Old photo restorerAuto-contrast · denoise · sharpen · AI HEIC to JPGiPhone photos · batch · 100% local Video → GIFTrim · FPS · width · in-browser YouTube thumbnailAll sizes · HD · direct download Screen recorderRecord screen + mic · WebM Audio recorderMic capture · live waveform AI image captionerDescribe images in plain English Webcam mirror18 filters · selfie · video record Background removerOne-click bg removal · runs locally Image to text (OCR)Extract text from any image, 100+ langs Color palette extractork-means dominant colors → HEX Image ↔ Base64Encode/decode as data URI Image to ASCII90s text-art conversion Instagram gridSplit for 3×3 multi-post layout EXIF viewer + stripSee and remove photo metadata Polaroid frameVintage handwritten-caption look DuotoneTwo-color gradient · Spotify-style Before/after sliderDrag-reveal comparison Glitch / VHSRGB split · scanlines · slice shift Vignette + light leakCinematic edge darken or sun flare Compress imageReduce file size with quality control Convert imageJPEG ↔ PNG ↔ WebP Resize imageChange width/height in pixels Crop imageTrim to a custom rectangle Rotate / flip90°/180°/270° + horizontal/vertical flip Image filtersSepia, grayscale, blur, brightness Image watermarkStamp text on image Meme generatorTop/bottom caption maker PixelateBlur or block-out parts Favicon maker16/32/64/180/192/512 in a zip

PDF editorThe unified one. Edit, sign, highlight, draw, annotate. Replaces 17 separate tools. PDF compressor (deep)50-80% reduction · photo PDFs AI PDF Q&AAsk any question about a PDF · in-browser Password protectAES-256 encrypted self-decrypting wrapper Merge PDFCombine multiple PDFs into one Split PDFBreak into single-page files Compress PDFStrip unused objects, smaller file Rotate PDFSpin pages 90, 180, or 270° Extract pagesPull selected pages to new PDF Delete pagesDrop pages you don't need Reorder pagesDrag-drop to rearrange Watermark PDFAdd text overlay to pages Page numbersAdd 1, 2, 3… to footer/header JPG to PDFWrap a JPEG into a PDF PNG to PDFWrap a PNG into a PDF Images to PDFBatch images → one PDF PDF to JPGRender pages as JPEGs PDF to PNGRender pages as PNGs PDF to textExtract the text layer PDF metadataView/edit title, author, etc. PDF page countQuick page-count lookup

Kanban boardTrello replacement · drag · localStorage WhiteboardPen · shapes · text · auto-save Mind mapTab to add child · drag nodes · export PNG Pomodoro timer25/5/15 with stats + notifications To-do listDrag-reorder · priorities · export Quick notesMarkdown · auto-save · multi-note Habit tracker30-day grid · streaks · localStorage Expense trackerINR · categories · CSV export Mood journal10-second daily check-in · 30-day pattern Password vaultAES-256-GCM · 250k PBKDF2 · local only Reading listBooks · status · ratings · export CalendarMonth view · events · export ICS

Govt schemes hub22 schemes — health, housing, pension, farmer, MSME, women, skills — with eligibility, benefits and how-to-apply official links PIN code lookupAny 6-digit PIN → post office, district, state Indic typewriterType English → get Hindi, Tamil, Telugu, etc Legal templatesRental, NDA, offer, affidavit, gift deed Salary slipAuto-split Basic/HRA/PF · PDF

AI email writer7 tones · adjustable length · free AI tweet writerSingle + thread · 7 styles AI IG captionHinglish · hashtags · emoji control AI quiz makerFrom PDFs or topic · MCQ & flashcards AI slide deck10-slide decks from a topic · HTML/MD AI chat6 personas · streaming · free AI voice studio50+ voices · multi-speaker dialogue · record AI music gen8 vibes · royalty-free · WAV export Markdown ⇄ HTMLBoth directions · live preview · GFM Contrast checkerWCAG AA/AAA · auto-suggest fixes HTTP status codesFull reference · live URL tester Regex from examplesPaste examples → get regex · explained WebSocket testerConnect · send · log events JWT decoderHeader · payload · expiry check API testerPostman in browser · GET POST PUT Cron builderVisual · explain · next fire times PAN validatorDecode India PAN format Text to speech200+ voices · 100+ langs AI grammar fixerFix grammar & spelling · in-browser AI speech-to-textWhisper · 8 languages · record or upload AI summarizerIn-browser, no API key AI translator14 languages · runs locally JWT decoderHeader · payload · expiry check CSV ↔ JSONTwo-way · headers · type auto-cast Markdown editorLive preview · export HTML Word counterWords, characters, lines, reading time Case converterupper, lower, Title, camel, snake, kebab JSON formatterFormat, validate, minify, copy Base64Encode and decode URL encode/decodePercent-encoding helper Regex testerLive match preview, capture groups Hash generatorSHA-1/256/384/512 of any text UUID generatorv4 random unique IDs Lorem ipsumPlaceholder text in 5 flavors Diff checkerLine-by-line text comparison