All tools
Every tool on NetworksInsights is listed here, grouped by category.
100 tools in 11 categories.
No tool matches “”. Check the spelling or try fewer words.
PDF tools
- Add Page Numbers to PDFNumber the pages of a PDF: pick the corner or edge, the format such as Page 1 or 1 of 10, the start number and the pages.
- Compress PDFMake a PDF smaller in your browser by recompressing its pictures, while its text stays sharp and selectable.
- Crop PDFTrim the margins of every page in a PDF by setting how much to cut from each side, with a preview of the first page.
- Delete and Reorder PDF PagesRemove pages from a PDF and put the rest in a new order, with page thumbnails, then download the new PDF.
- Edit PDFAdd text, pictures, drawings, highlights and white boxes to a PDF in your browser, then save a new copy without uploading it.
- Image to PDFTurn JPG, PNG and WebP pictures into one PDF in your browser, in your order, on A4, Letter or pages the size of each picture.
- Merge PDFCombine several PDF files into one in your browser: put them in order, remove any you do not need, then download.
- PDF Metadata EditorSee and change the title, author, subject, keywords, creator and producer stored in a PDF, or clear them, in your browser.
- PDF to JPGTurn the pages of a PDF into JPG pictures in your browser: choose the pages and the quality, then download each picture.
- PDF to TextPull the text out of a PDF in your browser: choose the pages, copy the result or download it as a .txt file.
- Redact PDFBlack out parts of a PDF for real in your browser: draw boxes, and the covered pages become pictures with the text under the boxes gone.
- Rotate PDFTurn every page of a PDF, or only the pages you choose, by 90, 180 or 270 degrees, and save the corrected file.
- Sign PDFPut a drawn, typed or uploaded signature picture on a page of a PDF in your browser. A visual signature, not a digital certificate.
- Split PDFSplit a PDF into smaller PDFs by page ranges such as 1-3, 5, or into one file for every page, in your browser.
- Unlock PDFRemove the password from a PDF you can already open: type its password once and download a copy that opens without one.
- Watermark PDFStamp a text watermark such as DRAFT or CONFIDENTIAL on a PDF, once or tiled, with your size, colour, opacity and angle.
Image tools
- Add Text to ImageWrite text on your own photo in the browser: several layers with font, size, colour, outline and shadow, dragged into place, saved in the same format.
- Add Watermark to ImagePut a text watermark on a JPG, PNG or WebP picture, once or tiled, with your size, colour, opacity and angle.
- Background RemoverRemove the background from a photo of a person with the MODNet portrait model, in your browser, and save a transparent PNG.
- Blur & Censor ImageHide faces, plates or text in a JPG, PNG or WebP picture: draw boxes and fill, pixelate or blur each one.
- Compress ImageCompress JPG, PNG and WebP images in your browser: pick a quality, compare the sizes and preview, then download the smaller files.
- Crop ImageCrop a JPG, PNG or WebP picture to a free rectangle or a set ratio such as 1:1 or 16:9, in your browser.
- EXIF Viewer & RemoverSee the camera, date and GPS location stored in a photo, then remove that metadata in your browser before you share the picture.
- HEIC to JPGConvert iPhone HEIC and HEIF photos to JPG or PNG in your browser, several at once, then download each picture.
- Image ConverterConvert images between JPG, PNG and WebP in your browser, one file or many, and download each result.
- Image to SVGTrace a JPG, PNG or WebP image into an SVG vector file with a chosen number of colours, in your browser, and see its size before you save it.
- Image UpscalerMake a photo four times wider and taller with the Real-ESRGAN model, run in your browser, and save it as a PNG.
- Images to GIFMake an animated GIF from your own pictures in the browser: put them in order, set the frame delay, the width and whether it loops.
- OCR image to textRead the text in a photo, a scan or a PDF with OCR in your browser, in English or Hindi, then copy it or save a text file.
- Passport Photo MakerCrop a photo to an exact passport photo size at a set DPI, then make a print sheet with as many copies as fit.
- Photo and Signature ResizerResize a photo or signature to the exact pixels and the maximum KB an exam or application form asks for, in your browser.
- Photo Collage MakerPut 2 to 6 of your photos into one collage in the browser: pick a layout, the spacing, border and background colours and the size, then save PNG or JPG.
- Resize ImageResize a JPG, PNG or WebP picture to an exact width and height in pixels, or by a percentage, in your browser.
Video and audio tools
- Audio converterConvert audio files between WAV, FLAC, OGG Opus and M4A in your browser, with only the formats your browser can write.
- Audio CutterCut the start and end off a recording in your browser: keep the original format with no re-encoding, or get an exact cut as WAV.
- Audio JoinerJoin several recordings into one WAV file, in the order you choose, matching their sample rates and channels first.
- Audio Silence RemoverTrim the silence at the start, the end and long pauses of a recording in your browser, and bring its loudest peak to one level.
- Audio to MP3Convert a WAV, FLAC, M4A, OGG or other recording to MP3 in your browser, without uploading the file anywhere.
- Mute VideoRemove the sound from a video by copying its picture into a new file without the audio track, with no re-encoding.
- Speech to TextTurn an English recording of up to three minutes into text with the Whisper tiny model, running in your browser.
- Video compressorMake a video file smaller in your browser: pick a quality or an approximate target size, and save it as MP4 or WebM.
- Video MergerJoin several video clips into one file in your browser: put them in order, and get one MP4 or WebM at the size of the first clip.
- Video to audioPull the sound out of a video and save it as M4A or WAV, in your browser, without uploading the video anywhere.
- Video to GIFTurn a short part of a video into an animated GIF in your browser, choosing the start, length, width and frame rate.
- Video to MP3Save the sound of a video as an MP3 file, encoded in your browser, without uploading the video anywhere.
- Video TrimmerCut the start and end off a video in your browser: a fast keyframe cut with no re-encoding, or a frame-exact cut.
Text tools
- Case ConverterChange any text to uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case or kebab-case, as you type.
- Remove Duplicate LinesDelete repeated lines from a list, with options to ignore case, trim spaces, drop empty lines, keep the first or last copy and sort the result.
- Text Diff CheckerCompare two texts side by side and see added, removed and unchanged lines highlighted, with a line count, live as you type.
- Word CounterCount words, characters, sentences, paragraphs and reading time in any text, live as you type or paste.
Calculators
- BMI CalculatorCalculate body mass index from height and weight in metric or imperial units, and see the adult category of the World Health Organization.
- Canada Mortgage Payment CalculatorWork out Canadian mortgage payments with semi-annual compounding, the CMHC minimum down payment and the mortgage loan insurance premium.
- Compound Interest CalculatorCalculate the end balance and interest earned on a sum with compound interest and optional regular deposits, with a year-by-year table.
- EMI CalculatorWork out the monthly EMI, total interest and total payment of a loan from its amount, yearly interest rate and tenure, with a month-by-month schedule.
- FD CalculatorWork out the maturity amount and interest of a fixed deposit from the deposit, yearly rate, tenure and compounding, with a year-by-year table.
- GST CalculatorAdd GST to an amount or remove it from a GST-inclusive price, at any rate, and see the base amount, GST, the CGST and SGST halves and the total.
- Income Tax Calculator IndiaEstimate income tax for a resident individual in India for tax year 2026-27, under the new and the old regime, side by side.
- Percentage CalculatorWork out a percentage of a number, what percent one number is of another, a percentage change, or add and subtract a percent.
- SIP CalculatorEstimate the future value of a monthly SIP from the amount, expected yearly return and years, with invested amount, returns and a year-by-year table.
- UK Stamp Duty CalculatorEstimate Stamp Duty Land Tax on a home in England or Northern Ireland, with first-time buyer relief and the higher and non-resident rates.
- US Federal Income Tax CalculatorEstimate US federal income tax for tax year 2026 from your taxable income or with the standard deduction, for all four filing statuses.
- US Mortgage CalculatorWork out the monthly payment on a US home loan, with property tax, insurance, PMI, extra payments and a full amortization table.
Converters
- Number to WordsWrite a number in English words in the Indian (lakh, crore) or international (million, billion) system, or as rupees and paise or dollars and cents.
- Unit ConverterConvert length, weight, temperature, area, volume, speed, data size and time between metric and imperial units, with exact factors.
- ZIP create and extractMake a ZIP file from several files, or open a ZIP and save the files inside it, in your browser without uploading anything.
Generators
- Filler Text GeneratorGenerate filler paragraphs, sentences or words from a Latin-style word list, optionally starting with the classic opening line.
- Invoice GeneratorMake a simple invoice with line items, tax and discount, totals worked out to the cent, and download it as a PDF.
- Password GeneratorGenerate strong random passwords from uppercase, lowercase, numbers and symbols, with a strength rating and one-click copy.
- QR Code GeneratorTurn any text or link into a QR code as you type, choose its error correction and size, and download it as a PNG image.
- Resume BuilderFill in a simple form and download a plain one-column resume as a PDF, with a live preview and no account.
- UUID GeneratorGenerate version 4 (random) or version 7 (time-ordered) UUIDs with your browser's secure random numbers, up to 1,000 at once, and copy them all.
Developer tools
- Base64 Encoder / DecoderEncode text or files to Base64 and decode Base64 back to text or a file, in standard or URL-safe Base64URL, right in your browser.
- CIDR to IP Range ConverterTurn a CIDR block into its first and last address, or an IPv4 or IPv6 range into the fewest CIDR blocks that cover it exactly.
- CSV to JSON ParserRead CSV with quoted fields and line breaks inside them, and turn it into JSON objects or arrays, with delimiter detection and clear line-numbered errors.
- File Encrypt and DecryptLock any file with a password using AES-256-GCM in your browser, and unlock it again later with the same password.
- Hash GeneratorGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text or file, all four at once, in lowercase hex, right in your browser.
- IPv6 Address Expander and CompressorExpand an IPv6 address to all eight groups, or compress it to the one canonical short form that RFC 5952 defines.
- JSON FormatterFormat or minify JSON with 2 spaces, 4 spaces or tabs, validate it, and see the line and column of any syntax error.
- JSON to CSV ConverterTurn a JSON array of objects into CSV with your choice of delimiter, header row, flattened nested keys and protection against spreadsheet formulas.
- JWT DecoderDecode a JSON Web Token in your browser and read its header, payload and signature as JSON, with the expiry checked against your clock.
- Regex TesterTest a JavaScript regular expression against your text as you type, with every match highlighted and its groups listed. Nothing is uploaded.
- SQL FormatterFormat SQL queries in your browser for the SQL dialect you use, with your choice of keyword case and indentation.
- Subnet CalculatorWork out the network, broadcast, mask, wildcard and usable host range of any IPv4 address and prefix, from /0 to /32.
- URL Encode DecodePercent-encode or decode a URL or a URL component as you type, with a choice between encodeURI and encodeURIComponent behaviour.
- VLSM CalculatorSplit one IPv4 network into subnets of different sizes, largest first, each sized for the hosts you need, with no overlap.
- XML FormatterFormat or minify XML in your browser, check that it is well formed, and see the line and column of any error.
- YAML FormatterFormat, validate or minify YAML in your browser, and see the line and column of any syntax error.
Web and SEO tools
- Favicon GeneratorTurn one image into PNG favicons at 16, 32, 48, 180, 192 and 512 pixels, with the HTML link tags to paste.
- Meta Tag GeneratorWrite title, description, canonical, robots, Open Graph and Twitter card tags, see an approximate search preview and copy the HTML.
- Schema Markup GeneratorMake JSON-LD structured data for Article, FAQPage, Product, LocalBusiness and Organization from a form, and copy it into your page.
Color and design tools
- Box Shadow GeneratorDesign CSS box shadows with up to five layers, inset shadows and a glass card preset, see them live and copy the CSS.
- Color Blindness SimulatorSee how a picture looks with protanopia, deuteranopia, tritanopia and achromatopsia, side by side with the original, in your browser.
- Color ConverterConvert colors between HEX, RGB and HSL as you type, with a live preview swatch, a color picker and one-click copy for each format.
- Color Palette from ImagePick up to eight dominant colours from a photo on your device with median cut, and copy each one as a HEX code.
- Contrast CheckerCheck the WCAG 2.2 contrast ratio between a text colour and a background colour, with pass or fail for AA and AAA, large text and UI components.
- CSS Gradient GeneratorBuild linear, radial and conic CSS gradients with 2 to 6 colour stops, a live preview and the CSS ready to copy.
Date and time tools
- Age CalculatorFind an exact age in years, months and days from a birth date, with the total days lived and the date of the next birthday.
- Date Difference CalculatorFind the time between two dates in years, months, days and weeks, with the total days and the number of weekdays, and an option to count the end date.
- Time Zone ConverterConvert a date and time from one time zone to several others, with daylight saving time handled by your browser's IANA zone data.
- Unix Timestamp ConverterTurn a Unix timestamp in seconds or milliseconds into a UTC, local and ISO 8601 date, or a date and time into a Unix timestamp.