All tools
412 tools · No registration · Temporary file processing
Image to ASCII ArtDrop an image, adjust density, characters and fonts, then preview and export ASCII art as TXT or PNG.Palette & Random Color GeneratorAdjust colors on a wheel, generate color harmonies or random palettes, lock and reorder cards, and export PNG/JSON.Replace Image BackgroundRecognize a subject on this device, refine edges and replace with transparent, solid, gradient or image backgrounds.JPG · JPEG · PNG · WEBPImage Color Picker & ConverterPick exact image pixels with a magnifier, convert HEX/RGB/HSL and alpha, and collect, copy or export your palette.Emoji PickerSearch emoji in Chinese or English, choose skin tones and variants, copy complete characters or Unicode sequences, and revisit recent emoji.QR Code GeneratorGenerate QR codes from text or links, pick colors, drag a logo and verify actual PNG and SVG exports.QR Code ReaderDrag an image scan region or use your camera. Locate multiple QR codes and inspect text and raw bytes locally.Random DrawPaste or import CSV names, visually review and reorder entries, draw without replacement, and copy or download results.Publishing Time PlannerDrag a shared timeline across time zones, customize working and active windows, and find, save and export common candidate times.Word Cloud GeneratorPaste or import comments, review word frequencies and weights, drag words and choose colors, then export a PNG or SVG word cloud.Password GeneratorGenerate passwords locally with custom character sets, length and batch size.Text CounterCount characters, English words, lines, paragraphs, punctuation and UTF-8 bytes.RMB Uppercase AmountConvert a CNY amount into Chinese uppercase numerals without implicit rounding.Subtitle ConverterBatch-convert SRT, ASS, VTT and LRC; compare text, timing and style changes, and preview local media.SRT · ASS · VTT · LRCSubtitle Time ShiftDrag subtitle timing, shift all or selected cues, link bilingual lines, check negative times and media bounds, and export the original format.SRT · ASS · VTT · LRCAudio Trimmer, Repeater & ReverserTrim, repeat and reverse audio or the first audio track of common video files, with ordered segments, 0.5–4x speed, 0–300% volume and MP3/WAV/M4A/FLAC/AAC exports.MP3 · WAV · M4A · OGG · FLAC · AAC · OPUS · AC3 · OGA · AIF · AIFF · AIFC · AU · SND · WMA · MP2 · MKA · M4B · MP4 · MOV · MKV · WEBM · AVI · WMV · FLV · MPG · MPEG · M4V · 3GP · 3G2Audio Loudness NormalizerNormalize audio loudness in batches. Set LUFS and true peak targets with sliders, compare real waveforms and measurements, preview A/B and download MP3 or WAV.MP3 · WAV · M4A · OGG · FLAC · AACAudio Converter & CompressorBatch audio conversion, compression, pitch-preserving 0.25–4x speed and 0–300% volume, with nine output formats, the first video audio track, per-file settings, PCM parameters and ZIP downloads.MP3 · WAV · M4A · OGG · FLAC · AAC · OPUS · AC3 · OGA · AIF · AIFF · AIFC · AU · SND · WMA · MP2 · MKA · M4B · MP4 · MOV · MKV · WEBM · AVI · WMV · FLV · MPG · MPEG · M4V · 3GP · 3G2 · PCM · RAWAudio MergerReorder, trim and join audio or the first audio track of videos, with silent gaps or crossfades. Export MP3, WAV, M4A, OGG, FLAC, Opus, AAC, AC3 or PCM.MP3 · WAV · M4A · OGG · FLAC · AAC · OPUS · AC3 · OGA · AIF · AIFF · AIFC · AU · SND · WMA · MP2 · MKA · M4B · MP4 · MOV · MKV · WEBM · AVI · WMV · FLV · MPG · MPEG · M4V · 3GP · 3G2Audio Speed ChangerChange audio speed while preserving pitch, preview waveform selections, compare the actual result and export MP3 or WAV.MP3 · WAV · M4A · OGG · FLAC · AACMultitrack Audio MixerOverlay music, voice or recordings on a main track. Set independent trims, insertion times, fades and levels, then export in nine formats.MP3 · WAV · M4A · OGG · FLAC · AAC · OPUS · AC3 · OGA · AIF · AIFF · AIFC · AU · SND · WMA · MP2 · MKA · M4B · MP4 · MOV · MKV · WEBM · AVI · WMV · FLV · MPG · MPEG · M4V · 3GP · 3G2Vocal & Instrumental SeparatorSeparate vocals and backing music with a local model, audition synchronized stems, and download WAV, MP3 or ZIP.MP3 · WAV · M4A · OGG · FLAC · AACAudio Waveform ViewerExplore the waveform, locate audio segments and mark important moments. View separate channels, drag both selection handles to loop audio, and export a waveform PNG.MP3 · WAV · M4A · OGG · FLAC · AACVideo CutterSelect and reorder video clips, then crop, rotate, flip, scale, change speed, repeat and export a verified MP4.MP4 · MOV · MKV · WEBM · AVI · M4V · MPG · MPEG · WMV · FLV · 3GP · 3G2 · TS · GIF
Complete tool index
Open any tool page directly by category.
Documents & PDF
Office conversion
- Word to PDF
- Excel to PDF
- PPT to PDF
- Word to Text
- Excel to CSV
- CSV to Excel
- JSON to Excel
- Excel to JSON
- Batch CSV to Excel
- Batch Excel to CSV
- Excel Format Converter
- Excel to HTML
- Excel to TXT
- Excel to Markdown
- HTML to Markdown
- Markdown to HTML
- ZIP Compressor
- ZIP Extractor
- Compress Ppt
- Compress Word
- Text to Image
- Merge Word
- Markdown Editor
- Merge Excel
- Split Excel
PDF conversion
- Images to PDF
- PDF to Images
- PDF to Text
- Compress PDF
- Extract PDF Images
- Clear PDF Properties
- Pdf To Word
- Pdf To Long Image
- Pdf To Excel
- Unlock Pdf
- Jpg To Word
- Pdf To Ppt
- Pdf To Cad
- Protect Pdf
- Pdf To Html
- Pdf Zhcn To En
- Pdf En To Zhcn
- Jpg To Pdf
- Pdf To Jpg
- Image To Pdf
- Image To Pdf Single
- Image To Pdf Batch
- Jpg To Pdf Single
- Jpg To Pdf Batch
- Png To Pdf
- Png To Pdf Single
- Png To Pdf Batch
Images
Image editing
- Image Cropper
- Rotate and Flip Images
- Add Text to Images
- Batch Image Watermark
- Image Color Adjuster
- Image Corners & Shadow
- Image Grid & Shape Slicer
- Photo to Oil Painting
- Photo to Pencil Sketch
- Image Borders
- Image Channel Mixer
- Frosted Glass Effect
- Doodle Board
- SVG Editor
- Photo Editor
- GIF Maker
- GIF Compressor
- GIF Frame Splitter
- GIF Cropper
- GIF Merger
- Avatar Decorations
- Offline Image Compression
- Image Editor
- Waifu2x Image Upscaler
- AI Super Resolution
Data formats
Structured data
- JSON Formatter
- JSON to CSV
- CSV to JSON
- JSON Escape / Unescape
- JSON / Query Parameters
- Reverse Array
- Key-value to JSON / JS
- Text to HTML Table
- HTML Formatter
- JavaScript Formatter
- CSS Formatter
- XML Formatter
- SQL Formatter
- C Formatter
- C++ Formatter
- C# Formatter
- Java Formatter
- PHP Formatter
- Python Formatter
- YAML Formatter
- Nginx Formatter
- JSON to C# Models
- Webpage Source Viewer
- Batch Meta Tag Extractor
- HTML Tag and Attribute Filter
- HTML Live Preview
Text encoding
- Text Encoding Converter
- Text Counter
- Encoding & Hash Toolkit
- Text Base64 Encoder / Decoder
- URL Encoder / Decoder
- UTF-8 Encoder / Decoder
- MD2 / MD4 / MD5 / SHA Hash Generator
- URL Parameter Formatter
- URL Batch Generator
- Unicode Escape Converter
- Latin-1 Mojibake Repair
- Text Diff
- Text Processing
- Deduplicate / Sort Lines
- Line Frequency
- Split Text
- Join Text Lines
- Text Escape / Unescape
- Reverse Text
- Text Whitespace Cleanup
- Filter Lines by Length
- Fixed-width Lines
- Chinese / English Punctuation
- Letter Case Converter
- Regular Expression Tester
- Directory Tree Generator
- Extract URLs
- Extract Email Addresses
- Extract Numbers
- HTML Entities
- Whitespace Converter
- Character & Word Frequency
- Morse Code
- Caesar Cipher
- Chinese Pinyin
- Simplified / Traditional Chinese
- Base16 / 32 / 58 / 62 / 64 / 85 / 91
- Punycode Converter
- Quoted-Printable Codec
- Zlib / Gzip / Deflate / Brotli
- JWT Decode, Sign & Verify
- Character Encoding Codec
- SHA Family Hashes
- HMAC-MD5
- HMAC-SHA
- SM3 Hash
- RIPEMD 128 / 160 / 256 / 320
- CRC Checksum
- AES Encrypt / Decrypt
- DES Encrypt / Decrypt
- TripleDES Encrypt / Decrypt
- SM4 Encrypt / Decrypt
- RC2 Encrypt / Decrypt
- RC4 Encrypt / Decrypt
- RC5 Encrypt / Decrypt
- RC6 Encrypt / Decrypt
- Blowfish Encrypt / Decrypt
- Rabbit Encrypt / Decrypt
- RSA Encrypt, Decrypt & Generate Keys
- SM2 Encrypt, Decrypt & Generate Keys
- File Hash Calculator
- File / Hex Converter
- Encoding Code Pages
- GB2312 Table
- GBK / CP936 Table
- GB18030 Inspector
- Big5 / CP950 Table
- Unicode Character Table
- UTF-16 Table and Inspector
- Special Symbols
- SSL Certificate Decoder
- PFX / P12 to PEM
- Self-signed SSL Certificate
- Clipboard Inspector
Data Charts
- Column Chart
- Radar Chart
- Line Chart
- Pie Chart
- Nightingale Rose Chart
- Candlestick Chart
- Streamgraph
- Doughnut Chart
- Scatter Plot
- Funnel Chart
- Grouped Column Chart
- Multi-series Line Chart
- Waterfall Chart
- Overlapping Area Chart
- Horizontal Bar Chart
- Step Line Chart
- Stacked Column Chart
- Diverging Bar Chart
- Stacked Bar Chart
- Grouped Bar Chart
- Stacked Area Chart
Audio & Speech
Audio Conversion
- Audio Converter & Compressor
- Mp3 To Wav
- Mp3 To Flac
- Mp3 To Aac
- Mp3 To Ac3
- Mp3 To Ogg
- Wav To Mp3
- Wav To Flac
- Wav To Aac
- Wav To Ac3
- Wav To Ogg
- Flac To Mp3
- Flac To Wav
- Flac To Aac
- Flac To Ac3
- Flac To Ogg
- Aac To Mp3
- Aac To Wav
- Aac To Flac
- Aac To Ac3
- Aac To Ogg
- Ac3 To Mp3
- Ac3 To Wav
- Ac3 To Flac
- Ac3 To Aac
- Ac3 To Ogg
- Ogg To Mp3
- Ogg To Wav
- Ogg To Flac
- Ogg To Aac
- Ogg To Ac3
Developer & Utilities
Numbers & Time
- Number Base Converter
- Timestamp Converter
- Byte Base Converter
- Signed / Unsigned Bytes
- IEEE 754 Converter
- Sign / Ones / Twos Complement
- IPv4 to IPv6
- Endian Converter
- Reverse Binary Bits
- Number Sort
- Date Calculator
- World Time Table
- Gregorian Leap Year
- Random Integers
- Age Calculator
- Text & Byte Base Converter
- Numbers to Chinese
- Numbers & English Words
- XOR Bytes
- Roman Numeral Converter
- BCC / LRC Checksum
- Cron Expression Parser
- Calendar with Chinese Lunar Dates
- Gregorian / Chinese Lunar Converter
- Chinese Lunar Leap Months
- Online Stopwatch
- Online Alarm Clock
- Keyboard Test
- Keyboard KeyCode Reference
- Mouse Button Test
- Screen Test
- Microphone Test
- Webcam Test
Video tools
Video conversion
- Video Format Converter
- Video to WEBM
- Video to FLV
- Video to 3GP
- Video to MPG
- Extract Audio from Video
- Video Compressor
- Video to GIF
- Avi To Mp4
- Avi To Mov
- Avi To Wmv
- Avi To Mkv
- Mp4 To Avi
- Mp4 To Mov
- Mp4 To Wmv
- Mp4 To Mkv
- Mov To Avi
- Mov To Mp4
- Mov To Wmv
- Mov To Mkv
- Wmv To Avi
- Wmv To Mp4
- Wmv To Mov
- Wmv To Mkv
- Mkv To Avi
- Mkv To Mp4
- Mkv To Mov
- Mkv To Wmv