Shiklo Tools
PDF40
Add Page Numbers to PDFAdd Watermark to PDFAnnotate PDFCompare PDF FilesCompress PDFCrop PDFDelete PDF PagesEdit PDFExcel to PDFExtract Images from PDFExtract PDF PagesFill PDF FormFlatten PDFHTML to PDFImage to PDFJPG to PDFMerge PDFPDF Metadata EditorPDF Metadata RemoverPDF to ExcelPDF to JPGPDF to PDF/APDF to PNGPDF to PowerPointPDF to TextPDF to WordPNG to PDFPowerPoint to PDFProtect PDFRedact PDFReorder PDF PagesRepair PDFResize PDF PagesRotate PDFSign PDFSplit PDFText to PDFUnlock PDFWebP to PDFWord to PDF
Image20
AVIF to JPGBackground RemoverColor Picker from ImageEXIF ViewerFavicon GeneratorHEIC to JPGImage CompressorImage ConverterImage CropperImage EffectsImage ResizerImage RotatorImage UpscalerImage WatermarkJPG to PNGPassport Photo MakerPNG to JPGSprite Sheet GeneratorSVG to PNGWebP Converter
Calculators & Converters25
Age CalculatorBusiness Days CalculatorCompound Interest CalculatorCountdown TimerCurrency ConverterDate Difference CalculatorDiscount CalculatorEMI & Loan CalculatorFD CalculatorGST CalculatorIncome Tax Calculator IndiaMortgage CalculatorPercentage CalculatorPPF CalculatorProfit Margin CalculatorRandom Picker – Spin the WheelRD CalculatorROI CalculatorScientific CalculatorSimple Interest CalculatorSIP CalculatorTime Duration CalculatorTime Zone ConverterTip CalculatorUnit Converter
Text & Writing13
Case ConverterLorem Ipsum GeneratorMarkdown EditorReadability CheckerRemove Duplicate LinesRemove Line BreaksText Diff CheckerText ReverserText SorterText to ASCIIText to SpeechWhitespace RemoverWord Counter
Developer26
Base64 Encoder / DecoderColor ConverterCron Expression GeneratorCSS FormatterCSS MinifierHash GeneratorHTML Entity Encoder / DecoderHTML FormatterHTTP Status CodesJavaScript FormatterJavaScript MinifierJSON FormatterJSON ValidatorJSONPath TesterJWT DecoderMIME Type LookupMock JSON GeneratorRegex GeneratorRegex TesterSQL FormatterSQL MinifierUnix Timestamp ConverterURL Encoder, Decoder & ParserUser-Agent ParserUUID GeneratorXML Escape / Unescape
Video14
GIF to VideoMute VideoScreen RecorderVideo CompressorVideo ConverterVideo CropperVideo CutterVideo Frame ExtractorVideo MergerVideo ResizerVideo RotateVideo Speed ChangerVideo to GIFVideo Trimmer
Audio14
Audio CompressorAudio ConverterAudio CutterAudio MergerAudio Metadata RemoverAudio Metadata ViewerAudio NormalizerAudio Speed ChangerAudio to WAVAudio TrimmerAudio Volume ChangerAudio Waveform ImageMP4 to MP3Voice Recorder
Document14
Document DiffDocument Metadata CleanerDocument Metadata ViewerDOCX EditorDOCX MergeDOCX to HTMLDOCX to MarkdownDOCX to RTFHTML to DOCXInvoice GeneratorMarkdown to DOCXODT to DOCXRTF to DOCXTXT to DOCX
Data & Spreadsheet12
CSV CleanerCSV DeduplicatorCSV SorterCSV to ExcelCSV to JSONCSV ViewerExcel to CSVExtract Formulas from ExcelJSON to CSVSplit Excel Sheets into Separate FilesXML FormatterYAML Formatter
Web & SEO9
Hreflang GeneratorKeyword Density CheckerMeta Tag GeneratorRobots.txt Generator & TesterSchema Markup GeneratorSitemap ValidatorSlug GeneratorUTM BuilderXML Sitemap Generator
OCR & Scanning5
Business Card ScannerDocument ScannerImage to Text (OCR)PDF OCRReceipt OCR
Archive & File12
7Z ExtractorArchive ViewerDuplicate File FinderFile Size AnalyzerFile Type DetectorGZIP CompressorGZIP DecompressorRAR ExtractorTAR CreatorTAR ExtractorZIP CreatorZIP Extractor
Security & Privacy23
AES EncryptionAPI Key GeneratorArgon2 Hash GeneratorBcrypt GeneratorCertificate DecoderCookie AnalyzerCSP GeneratorCVSS v3.1 CalculatorPassword Breach CheckerPassword Entropy CalculatorPassword GeneratorPassword Strength CheckerPBKDF2 GeneratorPermissions-Policy GeneratorPGP Key GeneratorPIN GeneratorRandom Bytes GeneratorRSA Key GeneratorSecret Pattern ScannerSecurity Headers Checkersecurity.txt GeneratorSRI Hash GeneratorTOTP Code Generator
Health & Medical29
A1C CalculatorBlood Pressure CheckerBMI CalculatorBMR CalculatorBody Fat CalculatorCalorie Deficit CalculatorCalories Burned CalculatorCarbohydrate CalculatorCholesterol Ratio CalculatoreGFR CalculatorFat Intake CalculatorFiber Intake CalculatorGestational Age CalculatorIdeal Weight CalculatorLean Body Mass CalculatorMacro CalculatorMAP CalculatorOne Rep Max CalculatorOvulation CalculatorPace CalculatorPeriod CalculatorPregnancy Due Date CalculatorPregnancy Weight Gain CalculatorProtein CalculatorSleep CalculatorTarget Heart Rate CalculatorTDEE CalculatorWaist-to-Height Ratio CalculatorWater Intake Calculator
QR & Barcode5
Barcode GeneratorBarcode ScannerEAN-13 Barcode GeneratorQR Code GeneratorQR Code Scanner

Free online tools that run in your browser

Your files never leave your device · No login required · 100% free

Convert, compress, calculate, generate, edit and check files right in your browser — fast, private and easy to use.

Programming

Learn and practise programming in your browser. Pick a language: write code, run it in a real terminal and follow the lessons step by step.

C Programming45 lessons and an online editorTutorialPractice
C++ Programming50 lessons and an online editorTutorialPractice
Python Programming50 lessons and an online editorTutorialPractice
Rust Programming45 lessons and an online editorTutorialPractice

Why Shiklo Tools?

Simple, private tools that just work — right in your browser.

  • Private Everything runs in your browser. Files are never uploaded.
  • Secure Encrypted HTTPS connection, and nothing you open is stored on our servers.
  • No login required No account, no sign-up, no email. Just open a tool and use it.
  • Fast No upload or download wait — results appear instantly.
  • Free All tools are free to use, with no limits.
  • Works everywhere Phone, tablet or computer, in any modern browser.

Recently used

Frequently asked questions

Are my files or text uploaded anywhere?

No. Every tool runs inside your browser on your own device. Nothing you enter or open is sent to a server.

Do I need to create an account or log in?

No login is required. There are no accounts — open any tool and start using it straight away.

Are the tools really free?

Yes. All tools are free, with no limits or watermarks. The site is supported by ads.

Does it work on my phone?

Yes. The tools work in any modern browser on phones, tablets and computers.

Can I use the tools offline?

Once a tool has loaded it does its work on your device, so it keeps working even if your connection drops.

Which file types are supported?

PDF, Word, Excel, PowerPoint, OpenDocument and RTF documents, JPG, PNG, WebP, HEIC, AVIF, GIF and BMP images, MP4, MOV, WebM and MKV videos, MP3, WAV, M4A, OGG and FLAC audio, ZIP, 7z, RAR, TAR and GZIP archives, CSV, JSON, XML and plain text. Each tool lists exactly what it opens.

All tools with descriptions →

PDF

Image

Calculators & Converters

Text & Writing

Developer

Video

Audio

Document

Data & Spreadsheet

Web & SEO

OCR & Scanning

Archive & File

Security & Privacy

Health & Medical

QR & Barcode