Ontool
18 free toolsAll tools

The toolbox

All tools.

18 free tools for the small jobs that shouldn’t need an account, a sign-up or a subscription. Search, filter, or browse the whole collection.

18 tools available

Tool collection

Showing 18 toolsNo sign-up needed
JPG to PDF interface previewWRITE

JPG to PDF

Convert one JPG or an ordered image batch into a PDF.

Multiple images / PDF download
PDF to JPG interface previewWRITE

PDF to JPG

Turn PDF pages into downloadable JPG images, one page at a time or as a ZIP.

Page range / ZIP download
QR Generator interface previewDEV

QR Generator

Create a QR code for text or a URL and download SVG or PNG.

SVG + PNG / Text + URL
Markdown Editor interface previewWRITE

Markdown Editor

Write Markdown with a fast, sanitized live preview.

Live preview / HTML export
Image Compressor interface previewIMAGE

Image Compressor

Reduce JPG, PNG and WebP size — or hit an exact target.

Exact target size / Batch
Barcode Generator interface previewDEV

Barcode Generator

Create EAN, UPC, Code 39 and Code 128 barcodes.

SVG + PNG / 5 symbologies
Etsy Fee Calculator interface previewMONEY

Etsy Fee Calculator

See the fees, profit and price behind an Etsy order.

Reverse pricing / Offsite Ads
Video Frame Extractor interface previewMEDIA

Video Frame Extractor

Pull still frames from a video at intervals or timestamps.

Timestamp / ZIP download
Temp Mail interface previewDEV

Temp Mail

Get a disposable inbox and watch incoming mail live.

Instant inbox / Auto-refresh
Disposable Email Checker interface previewDEV

Disposable Email Checker

Check an address against 10,000+ throwaway domains.

10k+ domains / Role detection
Ad Revenue Calculator interface previewMONEY

Ad Revenue Calculator

Turn CPM or RPM into daily, monthly and yearly revenue.

CPM + RPM / Yearly forecast
Image Resizer interface previewIMAGE

Image Resizer

Resize JPG, PNG and WebP to exact pixels or a percentage.

Exact pixels / Batch
Image to Text (OCR) interface previewWRITE

Image to Text (OCR)

Read printed text from an image and get editable text.

Image → text / English + Hindi
Compress Image to 20 KB interface previewIMAGE

Compress Image to 20 KB

Squeeze images under a 20 KB cap — or any size you set.

20 KB cap / Batch
Image Converter interface previewIMAGE

Image Converter

Convert JPG, PNG and WebP images between formats.

Format conversion / Batch
Invoice Generator interface previewWRITE

Invoice Generator

Create a clean invoice and print or save it as a PDF.

Print / PDF / GST + UPI
Explain My Report interface previewWRITE

Explain My Report

Translate a medical report into plain English, with quoted evidence.

Text + photo / Quoted evidence
Parent Translator interface previewWRITE

Parent Translator

Turn a school document into a four-part parent brief in your language.

6 languages / Deadline timeline
Everything here is free to use.

No account, no trial and no paywall. Open a tool and start working.

Why free

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JPG to PDFConvert one JPG or an ordered image batch into a PDF.ProductivityPDF to JPGTurn PDF pages into downloadable JPG images, one page at a time or as a ZIP.ProductivityQR GeneratorCreate a QR code for text or a URL and download SVG or PNG.DeveloperMarkdown EditorWrite Markdown with a fast, sanitized live preview.ProductivityImage CompressorReduce JPG, PNG and WebP size — or hit an exact target.ImageBarcode GeneratorCreate EAN, UPC, Code 39 and Code 128 barcodes.DeveloperEtsy Fee CalculatorSee the fees, profit and price behind an Etsy order.FinanceVideo Frame ExtractorPull still frames from a video at intervals or timestamps.MediaTemp MailGet a disposable inbox and watch incoming mail live.DeveloperDisposable Email CheckerCheck an address against 10,000+ throwaway domains.DeveloperAd Revenue CalculatorTurn CPM or RPM into daily, monthly and yearly revenue.FinanceImage ResizerResize JPG, PNG and WebP to exact pixels or a percentage.ImageImage to Text (OCR)Read printed text from an image and get editable text.ProductivityCompress Image to 20 KBSqueeze images under a 20 KB cap — or any size you set.ImageImage ConverterConvert JPG, PNG and WebP images between formats.ImageInvoice GeneratorCreate a clean invoice and print or save it as a PDF.ProductivityExplain My ReportTranslate a medical report into plain English, with quoted evidence.ProductivityParent TranslatorTurn a school document into a four-part parent brief in your language.Productivity
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