Skip to the tool workspace
Browser 123
Privacy-first · Client-side runtime 123 tools · 14 sets

123 tools that run in your browser.

Convert documents, edit images and media, encrypt files and more. It all runs on your computer, and your files are never uploaded.

Contents Set · count
01 AI AI models that run on your own computer. 04 02 Document Spreadsheets, text and data files, converted on your computer. 20 03 PDF Merge, split, convert, edit and secure PDFs. 17 04 Audio Convert, measure and play audio. 17 05 Video Convert, compress, crop and stream video. 08 06 Image Convert, resize and compress images. 06 07 Developer Editors, generators and testers for people who write code. 08 08 Security Keys, signatures, hashes and encodings. They stay in this tab. 26 09 Time Time zone conversion that gets daylight saving right. 03 10 Utilities QR codes, barcodes and other small generators. 05 11 Calculate Everyday sums, with the working shown. 03 12 Color Color spaces, palettes and WCAG contrast. 11 13 Network These tools use the network, because measuring it is the job. 03 14 Transfer Files go straight to the device you choose, encrypted end to end. 01

AI Tools

04
Audio Transcriber Run AI in the browser Generate AI Images Generate AI Music
# Tool Path In Out Max Note
01 Audio Transcriber ai/audio-transcription — — — Turn audio into text with Whisper, running in your browser. Your recordings are never uploaded Spotlight
02 Run AI in the browser ai/browser-based-ai-chat — — — Chat with open AI models that run on your own GPU, in the browser. Download a model once. No account, no API…
03 Generate AI Images ai/generate-ai-images — IMAGE/* — Type a prompt and get an image, made by a model that runs on your own GPU or CPU. The model downloads once… Spotlight
04 Generate AI Music ai/generate-ai-music — MIXED — Make music from a text description with AI that runs in your browser. Songs that sing your lyrics, or… Spotlight

Document Tools

20
Invoice Builder CSV to JSON Converter CSV to XLSX Converter Email Viewer & Editor EML to MSG Converter EML Viewer JSON to CSV Converter JSON to XLSX Converter Markdown Editor & Live Preview MBOX to EML Converter MBOX Viewer MSG to EML Converter MSG Viewer Spreadsheet Converter Text Analysis Tool Write: Fix, Translate & Rewrite Text Privately XLSX to CSV Converter XLSX to JSON Converter SQLite Database Viewer & Editor Calendar Viewer
# Tool Path In Out Max Note
01 Invoice Builder document/create-invoices — — — Make an invoice and see it on an A4 page as you type. Export PDF, Excel, CSV or UBL 2.1 / SI-UBL XML. Your…
02 CSV to JSON Converter document/csv-to-json CSV JSON 50MB Turn CSV into JSON. Get a list of objects or a list of arrays, and check the preview before you download
03 CSV to XLSX Converter document/csv-to-xlsx CSV VND.OPENXMLFORMATS-OFFICEDOCUMENT.SPREADSHEETML.SHEET 50MB Convert CSV files to Excel XLSX in your browser. Delimiters are detected for you, and you can preview the…
04 Email Viewer & Editor document/email-viewer MAIL/* MAIL/* 512MB Open .eml, Outlook .msg, Apple Mail .emlx and .mbox files in your browser. Read the message, check every…
05 EML to MSG Converter document/eml-to-msg MAIL/* MAIL/* 512MB Convert .eml files to Outlook .msg in your browser. Attachments, inline images and attached messages come…
06 EML Viewer document/eml-viewer MAIL/* MAIL/* 512MB Open an .eml file in your browser and read it like a mail program would: sender, recipients, attachments…
07 JSON to CSV Converter document/json-to-csv JSON CSV 50MB Convert JSON to CSV in your browser. Works with arrays of objects or arrays of arrays, and you choose the…
08 JSON to XLSX Converter document/json-to-xlsx JSON VND.OPENXMLFORMATS-OFFICEDOCUMENT.SPREADSHEETML.SHEET 50MB Convert a JSON file to an Excel XLSX spreadsheet. Works with an array of objects or an array of arrays
09 Markdown Editor & Live Preview document/markdown-editor — — — Write Markdown with a live preview beside it, a formatting toolbar, tables, images and task lists. Your…
10 MBOX to EML Converter document/mbox-to-eml MAIL/* MAIL/* 16GB Split an .mbox mailbox into separate .eml files in your browser and download them as one ZIP. Works with…
11 MBOX Viewer document/mbox-viewer MAIL/* MAIL/* 16GB Open an .mbox mailbox in your browser, even a multi-gigabyte Gmail Takeout export. Search it, read any…
12 MSG to EML Converter document/msg-to-eml MAIL/* MAIL/* 512MB Convert Outlook .msg files to standard .eml in your browser. Attachments, inline images, attached messages…
13 MSG Viewer document/msg-viewer MAIL/* MAIL/* 512MB Open Outlook .msg files without Outlook. Read the message, its attachments and attached messages, the…
14 Spreadsheet Converter document/spreadsheet-converter MIXED MIXED 50MB Convert spreadsheets between CSV, XLSX and JSON. Pick your delimiter or JSON shape and check the preview… Spotlight
15 Text Analysis Tool document/text-analysis — — — Check how readable your text is. Get readability scores, keyword density, word counts and reading time as you…
16 Write: Fix, Translate & Rewrite Text Privately document/write — — — Fix grammar, translate, or rewrite text in a different tone. It uses your browser's built-in AI, or a small…
17 XLSX to CSV Converter document/xlsx-to-csv MIXED CSV 50MB Turn an Excel sheet into a CSV file in your browser. Works with .xlsx and .xls, and your file stays on your…
18 XLSX to JSON Converter document/xlsx-to-json MIXED JSON 50MB Turn an Excel sheet into JSON. Get a list of objects with your headers as keys, or a list of arrays. Works…
19 SQLite Database Viewer & Editor developer/database-viewer — — — Open a SQLite file in your browser. Browse and search tables, run SQL, edit rows with undo, and download the…
20 Calendar Viewer time/calendar-viewer MIXED MIXED 48MB Open an .ics calendar file or a meeting invitation in your browser. See each event in your own time zone, as…

PDF Tools

17
Add Page Numbers to PDF Compress PDF Delete PDF Pages Extract PDF Pages Fill and Sign PDF JPG to PDF Merge PDF Organize PDF Pages PDF Editor PDF to JPG PDF to PNG PDF to Text Protect PDF Rotate PDF Split PDF Unlock PDF Watermark PDF
# Tool Path In Out Max Note
01 Add Page Numbers to PDF pdf/add-page-numbers PDF PDF 1GB Put page numbers on a PDF. Pick the format, position, starting number, size and color, and see it in a live…
02 Compress PDF pdf/compress-pdf PDF PDF 1GB Make a PDF smaller in your browser. Shrink the images and keep text selectable, or flatten the pages for the… Spotlight
03 Delete PDF Pages pdf/delete-pages PDF PDF 1GB Remove pages you don't need from a PDF. Pick the pages, then download the rest. Runs in your browser
04 Extract PDF Pages pdf/extract-pages PDF PDF 1GB Pick the pages you want from a PDF and save them as a new PDF. You choose them from thumbnails, and it all…
05 Fill and Sign PDF pdf/fill-and-sign PDF PDF 1GB Fill in a PDF form and sign it. Type text, draw or place your signature, then download. It all happens in…
06 JPG to PDF pdf/jpg-to-pdf IMAGE/* PDF 1GB Turn JPG, PNG and WebP images into one PDF. Drag to order the pages and pick a page size. Runs in your browser Spotlight
07 Merge PDF pdf/merge-pdf PDF PDF 1GB Combine several PDFs into one file. Drag the pages into any order and download Spotlight
08 Organize PDF Pages pdf/organize-pdf PDF PDF 1GB Reorder, rotate and delete PDF pages by dragging thumbnails, across one or more files, then download the…
09 PDF Editor pdf/pdf-editor PDF PDF 1GB Add text, drawings, highlights and images to a PDF, then save it as a new file. All in your browser Spotlight
10 PDF to JPG pdf/pdf-to-jpg PDF JPEG 1GB Turn each PDF page into a JPG image. Pick the pages and resolution, then download. It all runs in your browser
11 PDF to PNG pdf/pdf-to-png PDF PNG 1GB Turn each PDF page into a sharp, lossless PNG. Pick the pages and resolution, then download
12 PDF to Text pdf/pdf-to-text PDF PLAIN 1GB Pull the selectable text out of a PDF. Preview it, copy it, or download it as a .txt file, all in your browser
13 Protect PDF pdf/protect-pdf PDF PDF 500MB Put a password on a PDF with AES-256 encryption. Choose whether people can print, copy or edit it, then…
14 Rotate PDF pdf/rotate-pdf PDF PDF 1GB Turn sideways or upside-down pages the right way up. Rotate every page or just a few, then download. It all…
15 Split PDF pdf/split-pdf PDF PDF 1GB Split one PDF into several: by page ranges, every N pages, or one file per page. Runs in your browser Spotlight
16 Unlock PDF pdf/unlock-pdf PDF PDF 500MB Remove a password you know from a PDF, along with printing and copying restrictions
17 Watermark PDF pdf/watermark-pdf PDF PDF 1GB Add a text watermark to every page of a PDF, centered or tiled, with your choice of opacity, size, angle and…

Audio Tools

17
Audio Transcriber Generate AI Music Audio Converter BPM Detector DJ Booth Extract Audio from Video Audio HLS Stream Generator Key & Camelot Finder LUFS Loudness Meter Music Player Sound Recorder Spectrogram Viewer Spectrum Analyser Tap Tempo Instrument Tuner Waveform & Peak Viewer Video & Audio Viewer
# Tool Path In Out Max Note
01 Audio Transcriber ai/audio-transcription — — — Turn audio into text with Whisper, running in your browser. Your recordings are never uploaded Spotlight
02 Generate AI Music ai/generate-ai-music — MIXED — Make music from a text description with AI that runs in your browser. Songs that sing your lyrics, or… Spotlight
03 Audio Converter audio/audio-converter MIXED MIXED 200MB Convert audio between MP3, WAV, FLAC, AAC, OGG and M4A, with your own quality settings. It runs in your… Spotlight
04 BPM Detector audio/bpm-detector MIXED — 1GB Find the tempo of a track in your browser. Drop an MP3, WAV or FLAC to get the BPM to a tenth, with a beat…
05 DJ Booth audio/dj-booth MIXED MIXED 1GB Mix two tracks in your browser, with measured BPM and key, sync, key lock, hot cues, loops, EQ, effects and a…
06 Extract Audio from Video audio/extract-audio-from-video VIDEO/* MIXED 500MB Pull the audio out of a video and save it as MP3, WAV, FLAC, AAC, OGG or M4A. It runs in your browser, so… Spotlight
07 Audio HLS Stream Generator audio/hls-audio-generator MIXED HLS (M3U8 + TS SEGMENTS) 500MB Turn an audio file into an HLS stream with several quality levels, so the player can match the bitrate to… Spotlight
08 Key & Camelot Finder audio/key-finder MIXED — 1GB Find a track's key and see it on the Camelot wheel, with the three keys that mix into it highlighted. Tuning…
09 LUFS Loudness Meter audio/lufs-meter MIXED — 1GB Measure integrated loudness, loudness range and true peak to EBU R128 and ITU-R BS.1770-4, with your…
10 Music Player audio/music-player MIXED — — Play your own music in the browser: songs, whole folders, files you keep in My files, links and internet…
11 Sound Recorder audio/sound-recorder — MIXED — Record your microphone, any audio input, or the sound your computer or a browser tab is playing. WAV and MP3…
12 Spectrogram Viewer audio/spectrogram MIXED — 1GB See any audio file as a spectrogram on a log frequency axis. A straight edge near 16–20 kHz shows where a…
13 Spectrum Analyser audio/spectrum-analyzer MIXED — 1GB See the frequency balance of your microphone or an audio file, live, on a log axis with peak hold
14 Tap Tempo audio/tap-tempo — — — Tap along to the music and read the tempo. It uses your last eight taps, skips the mistimed ones, and works…
15 Instrument Tuner audio/tuner MIXED — 1GB A chromatic tuner in your browser. It reads low notes in the right octave, and you can set the reference pitch
16 Waveform & Peak Viewer audio/waveform-viewer MIXED — 1GB See an audio file's waveform at true full scale, never normalised, so files compare honestly. Clipping is…
17 Video & Audio Viewer video/media-viewer MIXED MIXED 2GB Play almost any video or audio file in your browser: MP4, MKV, AVI, MOV, WMV, MP3, FLAC, WMA and more

Video Tools

08
Extract Audio from Video Compress Video HLS Stream Generator Video & Audio Viewer Photobooth Screen Recorder Video Converter Browser Video Crop & Time Stretch
# Tool Path In Out Max Note
01 Extract Audio from Video audio/extract-audio-from-video VIDEO/* MIXED 500MB Pull the audio out of a video and save it as MP3, WAV, FLAC, AAC, OGG or M4A. It runs in your browser, so… Spotlight
02 Compress Video video/compress-video VIDEO/* VIDEO/* 1GB Make video files smaller in your browser. Pick a compression level, or set the resolution, bitrate and format… Spotlight
03 HLS Stream Generator video/hls-generator VIDEO/* HLS (M3U8 + TS SEGMENTS) 1GB Turn a video into an HLS package with several quality levels for adaptive streaming: m3u8 playlists and… Spotlight
04 Video & Audio Viewer video/media-viewer MIXED MIXED 2GB Play almost any video or audio file in your browser: MP4, MKV, AVI, MOV, WMV, MP3, FLAC, WMA and more
05 Photobooth video/photobooth — IMAGE/* — A photo booth for your webcam: live effects, distortions, frames, stickers and text, with a countdown and a…
06 Screen Recorder video/screen-recorder IMAGE/* MIXED — Record your screen, a window or a browser tab with your microphone, the computer's sound and a camera bubble…
07 Video Converter video/video-converter MIXED MIXED 500MB Convert videos between MP4, WebM, AVI, MOV, MKV and GIF. Pick the quality and size you want, and it all… Spotlight
08 Browser Video Crop & Time Stretch video/video-crop-time-stretch MIXED MIXED 300MB Crop, trim and change the speed of a video in your browser. Rotate, fade or mute it, then export to MP4, WebM… Spotlight

Image Tools

06
Generate AI Images Photobooth Compress Image Image Optimizer & Converter Image Resizer Image Viewer & Gallery
# Tool Path In Out Max Note
01 Generate AI Images ai/generate-ai-images — IMAGE/* — Type a prompt and get an image, made by a model that runs on your own GPU or CPU. The model downloads once… Spotlight
02 Photobooth video/photobooth — IMAGE/* — A photo booth for your webcam: live effects, distortions, frames, stickers and text, with a countdown and a…
03 Compress Image image/compress-image IMAGE/* IMAGE/* 1GB Make JPG, PNG, WebP and HEIC files up to 80% smaller in your browser. Pick a preset, convert to WebP, strip…
04 Image Optimizer & Converter image/image-converter MIXED MIXED 2GB Convert and compress images between 30+ formats, from JPEG, PNG and WebP to AVIF, PSD, TIFF and PDF. Resize… Spotlight
05 Image Resizer image/image-resizer — — — Resize and crop an image, then export it at the sizes and formats you need Spotlight
06 Image Viewer & Gallery image/image-viewer MIXED PNG 2GB Open JPEG, PNG, WebP, HEIC, TIFF, PSD, XCF, DDS and 25+ more formats in your browser. Browse full screen…

Developer Tools

08
Email Viewer & Editor CSS Grid Generator SQLite Database Viewer & Editor Favicon Generator Flexbox Generator HTML Editor & Live Preview Regex Tester & Live Preview Webfont Converter
# Tool Path In Out Max Note
01 Email Viewer & Editor document/email-viewer MAIL/* MAIL/* 512MB Open .eml, Outlook .msg, Apple Mail .emlx and .mbox files in your browser. Read the message, check every…
02 CSS Grid Generator developer/css-grid-generator — — — Build CSS Grid layouts visually. Size tracks, place and span items, paint named areas and set breakpoints…
03 SQLite Database Viewer & Editor developer/database-viewer — — — Open a SQLite file in your browser. Browse and search tables, run SQL, edit rows with undo, and download the…
04 Favicon Generator developer/favico MIXED MIXED 50MB Turn your logo into a full favicon set: ICO, PNGs, Apple and Android icons, plus the HTML tags and web…
05 Flexbox Generator developer/flexbox-generator — — — Build CSS Flexbox layouts by clicking instead of guessing. Set direction, alignment, gaps and item sizing…
06 HTML Editor & Live Preview developer/html-editor — — — Write HTML in a code editor or a visual editor and watch a live preview beside it, sized to any device. Runs…
07 Regex Tester & Live Preview developer/regex-tester — — — Write and debug regular expressions with live highlighting, capture groups and a plain-English explanation…
08 Webfont Converter developer/webfont MIXED FONT/* 50MB Convert fonts between TTF, OTF, WOFF and WOFF2, one file or a whole family at once. Download them separately…

Security Tools

26
AES File & Text Encryptor Base64 Decode Base64 Encode CSR Generator DER to PEM Converter Hash Generator JWT Sign JWT Verify Secure Password Generator PEM to DER Converter PGP Encryption & Digital Signatures PGP Decrypt File PGP Decrypt Message PGP Encrypt File PGP Encrypt Message PGP Export Keys PGP Key Generator PGP Import Keys PGP Sign File PGP Sign Message PGP Verify File PGP Verify Signature Security & Cryptography Converter SSL Certificate Viewer URL Decode URL Encode
# Tool Path In Out Max Note
01 AES File & Text Encryptor security/aes-encryptor MIXED MIXED — Encrypt and decrypt files or text with AES-GCM in your browser. Use a random key or a password. A wrong key…
02 Base64 Decode security/base64-decode — — — Decode Base64 back to readable text in two linked panes. Works with the standard and URL-safe alphabets, and…
03 Base64 Encode security/base64-encode — — — Encode text to Base64 in two linked panes: edit either side and the other follows. Standard or URL-safe…
04 CSR Generator security/csr-generator — — — Make a certificate signing request in your browser with RSA 2048/3072/4096 or ECDSA P-256/P-384, SANs…
05 DER to PEM Converter security/der-to-pem MIXED MIXED 10MB Convert binary DER certificates and keys to PEM text with BEGIN and END lines. Chains stay chains, and the…
06 Hash Generator security/hash-generator MIXED PLAIN 100MB Get MD5, SHA-1, SHA-256, SHA-384 and SHA-512 for text or a file at once, then check it against a published…
07 JWT Sign security/jwt-sign — — — Build a JSON Web Token and sign it with HS256, HS384 or HS512 and a shared secret. The secret stays in your…
08 JWT Verify security/jwt-verify — — — Paste a JWT to read its header and payload, no secret needed. Add the secret to check the signature. Expiry…
09 Secure Password Generator security/password-generator — PLAIN 0 Make five random passwords at once, each with its entropy in bits. You pick the length and the character sets
10 PEM to DER Converter security/pem-to-der MIXED MIXED 10MB Convert certificates and keys from PEM text to binary DER, a whole chain at a time. Give it DER and it…
11 PGP Encryption & Digital Signatures security/pgp MIXED MIXED 50MB Encrypt, decrypt, sign and verify with OpenPGP in your browser. Make or import keys that work with GnuPG
12 PGP Decrypt File security/pgp-decrypt-file — * 50MB Decrypt an OpenPGP file with your private key, in your browser. The download only appears once the integrity…
13 PGP Decrypt Message security/pgp-decrypt-message — TXT — Decrypt an OpenPGP message with your private key, in your browser. You also see who signed it, and a tampered…
14 PGP Encrypt File security/pgp-encrypt-file — MIXED 50MB Encrypt a file to one or more OpenPGP public keys. Each recipient opens it with their own private key, and…
15 PGP Encrypt Message security/pgp-encrypt-message — ASC — Encrypt text to one or more OpenPGP public keys and get an armored block you can paste anywhere. Sign it too…
16 PGP Export Keys security/pgp-export-keys — ASC — Export a key from your browser keyring as ASCII-armored text. Public and private keys are always two separate…
17 PGP Key Generator security/pgp-generate-keys — ASC — Make an OpenPGP key pair in your browser: Curve25519 or RSA 3072/4096, with an expiry date and a passphrase…
18 PGP Import Keys security/pgp-import-keys — — 10MB Paste a PGP key block or drop the file. Every key in it is read, with its fingerprint, user IDs and expiry
19 PGP Sign File security/pgp-sign-file — MIXED 50MB Sign a file with your OpenPGP private key, in your browser. You get a separate signature that anyone can…
20 PGP Sign Message security/pgp-sign-message — MIXED — Sign text with your OpenPGP private key, as a cleartext, inline or detached signature. Anyone with your…
21 PGP Verify File security/pgp-verify-file — — 50MB Check a detached OpenPGP signature against the file it signs. See if it's valid, who signed it, and whether…
22 PGP Verify Signature security/pgp-verify-signature — — — Check an OpenPGP signature and see each fact on its own: is it valid, whose key made it, is that key expired…
23 Security & Cryptography Converter security/security-converter MIXED MIXED 10MB Paste anything or drop a file and see what it is. Each match comes with a real result, and one click opens…
24 SSL Certificate Viewer security/ssl-certificate-viewer — — — Read an X.509 certificate from PEM or DER: validity, subject, issuer, alternative names, key, serial and…
25 URL Decode security/url-decode — — — Decode percent-encoded text in two linked panes, with three modes. If an escape is broken, you see exactly…
26 URL Encode security/url-encode — — — Percent-encode text in two linked panes. Pick a mode: a whole URL, a single query value, or form data where +…

Time Tools

03
Calendar Viewer Time Converter Timezone Converter
# Tool Path In Out Max Note
01 Calendar Viewer time/calendar-viewer MIXED MIXED 48MB Open an .ics calendar file or a meeting invitation in your browser. See each event in your own time zone, as…
02 Time Converter time/time-converter — — — Convert time units, Unix timestamps and date formats, and count the days between two dates
03 Timezone Converter time/timezone — — — Convert times between timezones, see where it is day or night, and check sunrise, sunset and golden hour for…

Utility Tools

05
Barcode Generator Cyrillic ↔ Latin Keyboard & Converter Lorem Ipsum Generator My Files QR Code Generator
# Tool Path In Out Max Note
01 Barcode Generator utils/barcode-generator — — — Make Code 128, EAN, UPC, Code 39 and other barcodes, one at a time or in bulk from a CSV. Download as PNG…
02 Cyrillic ↔ Latin Keyboard & Converter utils/cyrillic-latin-converter — — — Convert text between Cyrillic and Latin, or type Cyrillic on a normal keyboard. Comes with an on-screen…
03 Lorem Ipsum Generator utils/lorem-ipsum-generator — — — Make placeholder text for designs and layouts. Choose how much you need, how long, and whether you want…
04 My Files utils/my-files — — — Every file this browser keeps, in one place: your recordings, DJ mixes, generated music and images, chat…
05 QR Code Generator utils/qr-code-generator — — — Design QR codes that scan: links, Wi-Fi, contacts, events and payments, with your own dots, eyes, colours…

Calculate Tools

03
BMI Calculator Percentage Calculator VAT Calculator
# Tool Path In Out Max Note
01 BMI Calculator calculate/bmi-calculator — — — Work out your BMI from height and weight, in metric or imperial. See your category, your healthy weight range…
02 Percentage Calculator calculate/percentage-calculator — — — Five percentage calculations in one place: percent of a number, what percent, change, reverse and difference…
03 VAT Calculator calculate/vat-calculator — — — Work out VAT for a whole invoice at once. Pick a country for its rates, add your lines, and export the totals…

Color Tools

11
Accessible Palette Generator Accessible Text Color Finder Brand Palette Accessibility Checker Color Blindness Simulator Color Converter Color Editor Complementary Color Generator Contrast Checker Palette Generator Spot Color Approximation Tool WCAG Color Checker
# Tool Path In Out Max Note
01 Accessible Palette Generator color/accessible-palette-generator — — — Build a color palette from a base color, with every swatch checked and adjusted to meet WCAG contrast on your…
02 Accessible Text Color Finder color/accessible-text-color-finder — — — Enter a background color and get a readable text color, black or white, with its WCAG contrast ratio and…
03 Brand Palette Accessibility Checker color/brand-palette-accessibility-checker — — — Check every pair of your brand colors against WCAG contrast at once, and see which ones are safe for text
04 Color Blindness Simulator color/color-blindness-simulator — — — See how a color looks with protanopia, deuteranopia, tritanopia and achromatopsia, so you can check your…
05 Color Converter color/color-converter — — — Convert colors between HEX, RGB, CMYK, LAB and HSL. Type a value or pass one in the URL. It all runs in your…
06 Color Editor color/color-editor — — — Convert between HEX, RGB, HSL, CMYK, LAB, LCH and OKLCH, build matching palettes, check WCAG contrast and… Spotlight
07 Complementary Color Generator color/complementary-color-generator — — — Find the complementary color for any color: the hue directly opposite it on the color wheel, worked out in…
08 Contrast Checker color/contrast-checker — — — Check the WCAG contrast ratio between a text color and a background, for normal text, large text and UI…
09 Palette Generator color/palette-generator — — — Build a color palette from one base color: complementary, analogous, triadic, tetradic, split-complementary…
10 Spot Color Approximation Tool color/spot-color-finder — — — Find the closest match to a color in a small, generic swatch library. It gives you a rough starting point…
11 WCAG Color Checker color/wcag-color-checker — — — Check whether two colors meet WCAG 2.1 contrast rules. Enter a text and background color to see AA and AAA…

Network Tools

03
DNS Lookup What Is My IP Address Internet Speed Test
# Tool Path In Out Max Note
01 DNS Lookup network/dns-lookup — — — Look up A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records for any domain, using DNS-over-HTTPS from your…
02 What Is My IP Address network/ip-address — — — See your public IP address, plus your connection details, local network addresses and browser info
03 Internet Speed Test network/speed-test — — — Check your download and upload speed, ping and jitter in your browser. No app, no sign-up Spotlight

Transfer Tools

01
Send Files
# Tool Path In Out Max Note
01 Send Files transfer/send — — — Send files or a text from one of your devices to another, directly and end to end encrypted. Scan a code or…
/tools
123 items
Runs in your browser·Your files stay on this device
Out0 B
Ready—
Privacy · Terms